统计学 Jobs

Statistics is the practice of collecting and analysing data and then interpreting it to draw conclusions or make predictions. A statistician is a professional who has expertise in this field and can help clients to meet their goals, from making data-driven decisions to gaining meaningful insights.

Statistics can bring clarity to different types of data which can range from marketing data to surveys, sales records to medical tests and more. With the help of an expert statistician, clients will be able to interpret their complex datasets in order to make sense of the results. A statistician will be able to provide detailed insights into a wide range of different topics.

Here's some projects that our expert Statistician made real:

  • Health economics analysis/prediction
  • Report generation and interpretation
  • Evaluating differences in roulette wheels and tables
  • Backtesting strategies with Python/Pinescript
  • Utilizing Excel for pricing comparisons or other data analysis
  • Calculating MAPE (Mean Absolute Percentage Error) with Python
  • Implementing control of the BESS (Battery Energy Storage System) to improve voltage stability in a microgrid
  • Computing with R, an open source programming language

Our stats expert can help clients with any project they have on their plate. With the right knowledge and experience, they can push your business forward. If you need several projects done or one particularly tricky project, our statisticians on Freelancer.com are available for hire here and now. Hire an expert today to get your project underway!

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    I'm in need of an Excel expert who can help me create a sophisticated formula for data analysis. The data I'm working with is moderately complex, involving multiple variables. It's all housed in Excel spreadsheets. Ideal Skills and Experience: - Proficiency in Excel, with a focus on complex data analysis - Experience in creating advanced formulas for data manipulation - Strong understanding of data structures in Excel and how to work with multiple variables - Previous projects involving statistical analysis would be an advantage I'm looking for someone who can not only create this formula, but also explain its function and how to adjust it for future data sets. Please provide examples of similar projects you've worked on in the past. Looking forward to heari...

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    I am in need of an interactive Python dashboard to help me track the performance of multiple departments. The dashboard will be focused on week-over-week performance data, sourced from a data file to build it out then linked to BQ via SQL Code. I'm primarily interested in tracking the following metrics: - Case Per Hour week over week for various departments, and types of CPH. - Volumes and hours used per job process The ideal freelancer for this project should be proficient in Python and have experience in creating engaging and informative dashboards. Experience in data visualization and the ability to source and manipulate data will be important to ensure the dashboard is intuitive and accurate. Please note that the data is to be pulled from a data file, and I would like the dash...

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    I am in search of a Forex trader with a deep understanding and experience in dealing with major currency pairs like EUR/USD, USD/JPY. Your main task will be to manage my account aiming for a 5% profit on a daily basis. Key Duties: - Carry out trades in major forex pairs. - Manage moderate risk level. - Regularly update and tweak the trading strategy on a weekly basis. Required Skills and Experience: - Proven track record and significant experience in Forex trading. - Understanding of market trends and ability to wisely make trade decisions based on them. - Ensure steady profit making while minimizing losses. - Clear communication skills for weekly reports and strategy updates. Please note that this is a moderate risk project. While the aim is to make consistent profits, it is also cruc...

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    I'm in need of a skilled Excel professional to assist with data analysis tasks. The primary focus will be on trend analysis and results should be presented in the form of detailed reports. Key requirements include: - Proficient in data analysis using Excel - Experience with creating reports - Attention to detail - Ability to communicate complex data in a clear and concise manner Please only apply if you have experience in trend analysis and report generation using Excel.

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    Challenging opportunity for a skilled Excel Specialist. The details of the tasks are undefined due to insufficient information from the client. Candidate must be proficient in: - Data organization - Formula creation - Data analysis The size of the dataset is unknown and could range from small to large. You are expected to be able to handle any data size comfortably. While the type of analysis isn't specified, you should be skilled in: - Statistical analysis - Trend analysis - Financial analysis In summary, I need an Excel maestro who can confidently navigate any project, no matter how ambiguous. Your expertise, flexibility and adaptability will be essential for this project's success.

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    I am looking for a proficient Excel expert who is highly experienced in financial data analysis. You will primarily be tasked with conducting comprehensive revenue and expense analysis. The ensuing breakdown of financial information will allow us to understand and evaluate our company's financial health. Ideal Skills and Experience: - Deep understanding of Excel, particularly in data analysis - Expertise in Financial analysis, specifically revenue and expense analysis is a must - Excellent in applying Excel for financial forecasting - Capacity to design efficient spreadsheets that emphasizes readability and ease of use - Fluency in formulating functions to automate data computations.

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    I'm in need of a skilled professional who is well-versed in SourceExtractor for a data analysis project. This task involves analyzing data from various sources, which could include databases, spreadsheets, and text documents. The data extraction process is crucial, as it will pave the way for the analytical phase. Therefore, you should be adept at data extraction and have extensive experience working with SourceExtractor. Your role will include: - Extracting data from multiple sources, including databases, spreadsheets, and text documents - Analyzing the data using statistical methods, if possible - Creating visualizations of the data for easy understanding In terms of skillset, you should be well-versed in SourceExtractor and have a proven track record of successful data analysis...

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    I'm in need of a skilled Excel expert who can help me build a formula that integrates data across multiple sheets. The formula needs to leverage advanced functions like VLOOKUP, INDEX/MATCH, and ARRAY. Key Requirements: - Advanced Excel proficiency - Expertise in VLOOKUP, INDEX/MATCH, and ARRAY functions - Experience with multiple sheets data integration - Strong problem-solving skills and attention to detail Please note that this isn't a project suited for beginners in Excel. You should have a proven track record in working with complex formulas and integrating data across different sheets. Your ability to deliver accurate and efficient solutions will be greatly valued.

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    I need expertise to value a floating-rate municipal bond using discounted cash flow (DCF) analysis. The purpose of the project is to inform investment decisions, though the specific details need not be disclosed. This project focuses on municipal bonds, and the financial data to be used in bond pricing include interest rates, municipal curves, and liquidity adjustment parameters. Required Skills & Experience: - Expert knowledge in valuation methods, specifically DCF analysis - Understanding of municipal bonds and how they operate - Financial analysis ability to apply interest rates, use municipal curve data, and adjust for bond liquidity - Experience with risk management, as understanding the implications of different potential outcomes is key to this project's success.

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    I have some duplicate data that need to be copied to different sheets. - The project entails copying the duplicate information into different sheets. - The reasoning behind organizing the data into separate sheets is so that I can perform statistical analysis on each set distinctly. This will enable me to have cleaner and clearer results, helping in decision making. Ideal Skills: - Proficient in Excel or any other data manipulation software - Experience with data entry and copying

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    I'm looking for a Stata expert to help me with my predictive analysis project. Key Requirements: - The primary task will be to make group base trajectories - You will also need to group/categorize the data effectively. Please make sure you are familiar with Stata and have experience with similar projects.

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    I am looking for a professional with strong skills in LaTeX and experience in academic writing, particularly in the field of Science and Technology. The task involves creating a comprehensive LaTeX report based on detailed academic research. Key Responsibilities: • Comprehensive review of the given research data • Converting the researched data into a LaTeX report • Detailed statistical analysis of the data • High-quality academic writing and presentation Ideal Skills: • Proficiency in LaTeX • Experience in academic writing in the field of Science and Technology • Strong statistical analysis capabilities • Excellent research skills This role is perfect for a detail-oriented individual who can present complex scientific research in a cohere...

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    I need an expert to further optimize my existing CNN model that currently has an accuracy rate of over 80%. Despite the high performance, I believe there's room for improvement. Required Skills & Experience: * Extensive experience with Convolutional Neural Networks (CNNs) * Proficiency with text data processing * Track record of improving the accuracy of machine learning models Job Scope: * Review the current model and identify potential areas for improvement * Implement strategies to increase training speed and minimize overfitting * Improve the model's overall accuracy * Maintain detailed documentation on the steps taken and their impacts Despite the model's high initial accuracy, I'm ambitious about reaching even higher stats. If you're a guru at impro...

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    i need answer for fıle uploaded but phd level for exam ın unıversıty

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    I need a data analyst who can work with the spreadsheets I've compiled from various social media platforms to identify trends and patterns. The ideal freelancer for this project would have: - Proficiency in spreadsheets and data analysis - Previous experience in social media analytics - An eye for recognizing patterns and trends in data I need you to help me identify these trends so I can make more informed decisions about my business.

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    I require a proficient Excel expert with strong skills in data analysis and organization. The primary tasks you will handle include: - Analyzing business-related data - Organizing the analyzed data in an easy-to-understand format The purpose of these tasks is to help streamline business reporting processes. You must be adept at dissecting large volumes of data and summarizing key points to help inform business decisions. The final deliverable should be a standard Excel file that details the organized and analysed data. Relevant skills needed include data analysis, Excel proficiency, and a keen understanding of business data interpretation.

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    i need to replicate the following data by looking for info on WB or IMF websites, i need to first identify how to calculate the Cyclically adjusted (CAB) part, can someone help? the end product is that i have to present similar table (see attached), i need to give clear explanations as to where my data came from, how the adjustements are made the task i received: "One bank presented a chart below and claim that " DM fiscal policy is set to tighten markedly this year ” Can you please check IMF and world bank websites, or other sites, to see if you could replicate the data below. "

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    " DM fiscal policy is set to tighten markedly this year ” Check IMF and world bank websites, or other sites, to see if you could replicate the data below, using excel/ time-series to rebuild the chart from below

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    Are you looking to master SQL, Excel, or Python? Look no further! With years of experience in data analysis and programming, I offer comprehensive tutoring services tailored to your learning needs. **What I Offer:** 1. **SQL Mastery:** From basic queries to advanced database management, I'll guide you through understanding SQL syntax, optimizing queries, and database design. 2. **Excel Expertise:** Whether you're a beginner or looking to enhance your Excel skills, I'll cover everything from formulas and functions to data visualization and automation. 3. **Python Proficiency:** Dive into the world of Python programming with personalized lessons covering fundamental concepts, data manipulation, scripting, and more. **Why Choose Me?** - **Tailored Approach:** Each lesson ...

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    I'm in need of a statistician who can perform an in-depth T-test analysis using SPSS. I have a dataset ready for analysis. Key requirements: - T-test analysis: The core of this project is performing T-test analysis. - SPSS expertise: Proficiency in SPSS is a must, as it's the preferred software. - In-depth analysis: I don't just need basic summary statistics. I'm looking for a detailed and insightful interpretation of the results. Experience and Skills: - Advanced statistical background, particularly in T-test analysis. - Proven experience with SPSS and the ability to use it for complex analyses. - Strong interpretation skills to provide meaningful insights from the analysis.

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    I'm seeking a proficient Excel expert who can assist me with enhancing my current study time tracker. I need the following features to be incorporated: - Auto-calculation of total study hours: I'd like for this to be automatically summed up based on the inputs provided. - Auto-calculation of average study hours per day: This should also be done automatically, providing me with a clear view of my daily commitment. - Study hours per subject: I require a part of the spreadsheet to allocate study hours to specific topics that I am learning. The spreadsheet will be utilized for tracking my study progress across different subjects. It should allow for easy input of study hours and materials covered. I will provide the current version of the spreadsheet to the chosen freelancer, an...

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    I'm in need of a capable statistician, proficient in Jamovi, to apply their expertise on a small dataset of both numerical and categorical nature for my research. Your responsibilities would include: - Conducting Descriptive Statistics to provide a clear overview of the data. - Performing Hypothesis Testing to scrutinise various assumptions. - Executing Regression Analysis, extracting possible relationships within the dataset. A strong statistical background is paramount, particularly in handling smaller datasets. Familiarity with academic or research-oriented projects will be regarded advantageous. Please be adept at presenting complex results in layman terms as I value comprehension and transparency.

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    I'm looking for an expert in machine learning who can build an algorithm to analyze a sizable set of numerical data- comprising over 70,000 samples. Your task will be to make use of the training and test data I will provide to yield the most accurate predictions for the test data. Although I'm open to recommendations, my initial thoughts are to base this on Classification or Clustering methodologies. Your expertise in selecting and utilizing the most efficient algorithm is crucial. Requirements include: * Proven experience in machine learning, specifically with Classification and Clustering algorithms * Strong understanding of how to handle and analyze numerical data * Ability to deliver accurate predictions using large datasets. In your bid, please detail your experience wi...

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    I'm seeking a knowledgeable medical statistician for two key tasks: analyzing patient medical records and creating effective statistical models. A bulk of the work includes: - Analyzing patient medical records to glean important insights. - Building statistical models based on the data. The primary objective of these tasks is to delve deeper into the realm of elastography in order to augment our current understanding and practices. You're the right person for this job if you possess: - An experienced background in Data Analysis and Statistical Modeling. - A broad understanding and experience working with patient medical records. - A keen interest or previous experience in elastography studies. Not only should you have the technical skills to carry out this project but a ...

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    I'm in need of a meticulous professional to clean a mixed set of data contained in an Excel file. I am specifically struggling with duplicate values and missing entries. To effectively accomplish this: - You should possess excellent skills in data analysis and data management. - Previous experience with Excel-based data cleaning is preferable. - Profound knowledge of dealing with duplicate entries and filling in missing data is required. - A keen eye for detail and ability to spot and correct errors is essential. In summary, my ideal candidate would be someone with significant experience in data cleaning, particularly with mixed data in Excel files. It would be a bonus if you've previously resolved issues related to duplication and missing entries in datasets.

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    As an AI-driven project, I am seeking a freelancer experienced in machine learning to implement TensorFlow, scikit-learn, and PyTorch open-source tools to analyze and predict certain events. My project involves systemically analyzing data from different sensors, namely temperature (temp), relative humidity (RH), and other miscellaneous sensors. The outcome of this analysis should be predictive models capable of discerning behaviors, such as detecting when an AC unit has been turned on or off. Ideal characteristics: - Expertise in TensorFlow, scikit-learn, and PyTorch - Experience with influxdb / MQTT data handling - Strong statistical analysis skills - Knowledge in real-time data processing Your task would be to design systems that generate real-time notifications upon the occurrence o...

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    I'm in need of a detailed report--written in French--that synthesizes the findings of an analytic PowerBI report, which illuminates employment survey statistics in Haiti. This 30-40 page document should strike a balance between a high-level overview and a detailed exploration of the statistical data. In the report, I expect clear explanations, analysis, and well-articulated conclusions. It should be presented in a professional business style, making it engaging and comprehensible for various stakeholders. Ideal skills and experience for the successful bidder include: - French native speaker - Experience in writing and presenting technical and statistical reports - Proficiency in understading statistica data Your ultimate goal will be to provide concise, yet detailed-enough insig...

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    I'm in need of a Python script that can efficiently take addresses from an excel spreadsheet and search google maps locate solar panels on roof tops Ideal Skills and Experience: - Proficiency in Python programming - Experience with image processing and analysis - Familiarity with satellite image utilization - Understanding of data output and manipulation in Excel Key Features: - The script should focus on residential rooftops specifically, using satellite images to identify solar panels. - It should be able to iteratively search through said images, pinpointing and marking the locations of solar panels. - The final output should be an Excel spreadsheet containing the results of the search, detailing the coordinates of the identified solar panels. Please, only bid if you have a...

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    I'm in need of a custom supply and demand project that can be used for market analysis, Key Requirements: - Two diagrams should consider Price and Quantity as primary variables. - I'd also like the second graph to incorporate Deadweight Loss, Tax Revenue, and Consumer/Producer Surplus. - The design must be easy to understand for those not so well-versed in economics. - Last question is optional, but will pay extra to be done. - Diagram labelled fully Your Deliverables: - Hand-drawn or software used to draw the 2 graphs. - 4 points briefly summarising what happens to consumer and producer surplus and relate that summary to the deadweight loss. (last question optional) Ideal Skills & Experience: - Proficiency in Economics, especially in Supply and Demand principles. - Expe...

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    I am seeking a talented individual to assist with a Power BI Data Visualization project, focused on displaying sales data. Your expertise will aid in the creation of comprehensive monthly summaries that will aid decision-making processes. Key Requirements: - Proficiency in Power BI for data visualization - Experience with sales data analysis - Ability to create detailed monthly summaries The perfect candidate would be a seasoned Power BI user, who has had previous experience aiding businesses in making use of their sales data. The successful freelancer will help transform our raw data into easily interpretable monthly summaries.

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    Hi There I'm looking for making predictive and descriptive and explorative elements with tableau or Power BI Please check attachment before bid Thank you

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    I'm in dire need of someone who can swiftly develop a graph for me, with the focus on my intrusion detection model. The type of graph I'm looking at is somewhat unique - it's not one of those common line, bar, or pie charts. Having a deep understanding of various kinds of graphs, and knowing how to implement them creatively, will come in handy for this task. The graph will be used to explain the methodology behind my model. Unfortunately, there aren't any further details I can provide on whether it is a trend, comparison or distribution graph. Crucially, I need this task completed within the next 3 hours. Therefore, prompt response and efficient work are essential. I do have an example to guide you, but thinking on your feet might also be necessary. Experience in cre...

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    I'm in need of a data analyst with experience in statistical analysis specifically for the Arabic language. The primary focus will be on implementing three key techniques - Descriptive statistics, Hypothesis testing, and Regression analysis. Ideal Skills: - Proficiency in Arabic language - Strong background in statistical analysis - Experience with Descriptive statistics, Hypothesis testing, and Regression analysis - Ability to provide clear and comprehensive reports on findings

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    I'm seeking an Excel expert to provide a comprehensive training session for my team of 11-20 individuals. We're at a beginner level and need someone capable of teaching us the basics and showing us how to optimally utilize data analysis and reporting features. - The training should cover: - Basic Excel functions and formulas - Data analysis - Reporting techniques The perfect fit for this project would be someone with an extensive background in Excel, ideally as a trainer or educator. Experience with teaching groups is a must, and the ability to break down complex topics into digestible, understandable parts is essential. Our goal is to increase our productivity and data handling capabilities through this training, so if you have a track record of achieving simila...

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    I'm looking for an Excel expert who can create an automated template for a financial renewal analysis dashboard. The dashboard should include basic descriptive statistics functions such as mean, median, mode, standard deviation, correlation, and regression. Key Requirements: - The dashboard needs to focus on the renewal status of our products/services. - It should be able to track the renewal status by product/service type. - The dashboard should be able to automatically update renewal statuses. Ideal Skills and Experience: - Proficiency in Excel and its advanced functions. - Experience in creating automated dashboards. - Understanding of financial data analysis, particularly in the context of renewals. - Strong communication skills to understand our specific needs and provide a sol...

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    I'm looking for a skilled data analyst who can help me with a project that involves identifying patterns in customer behavior data. Key Requirements: - Proficiency in Python for data analysis - Extensive experience working with customer behavior data - Ability to create and present insights using visual charts Tasks Involved: - Importing and cleaning the provided customer behavior data - Applying appropriate data analysis techniques to uncover patterns(classification problem) - Presenting the findings through visually engaging charts The ideal candidate would have a strong background in data analysis and visualization techniques, especially in the context of customer behavior data. Experience in using Python libraries for data manipulation and chart creation is also essential.

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    Hi There I'm looking for making predictive and descriptive and explorative elements with tableau or Power BI Please check attachment before bid Thank you

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    I'm seeking an analytical thinker for a comprehensive research on workplace fatalities and injuries in the Construction, Manufacturing, and Oil and Gas industries. The primary aim is to research the number of reported workplace fatalities and injuries in Brazil, Egypt, Oman, Morocco and the United states of America and to analyze trends and patterns of these incidents over a significant time period. - Research Scope: This task involves not just basic data extraction and interpretation but also monitoring of patterns and trends spanning these industries. - Preferred Skills: Direct experience in health and safety research is a plus, specifically in occupational hazards. Strong analytical skills, familiarity with the industries in question and ability to succinctly summarize...

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    I'm in need of a data analyst who can help me with a predictive modeling task. I have a large data set from our bank and I'd like to use this data to develop a predictive model for credit scoring. Key Tasks: - Develop and implement a sophisticated predictive model for credit scoring - Test and validate the model to ensure it's accurate and reliable Ideal Skills and Experience: - Proven experience in predictive modeling in the banking sector - Expertise in credit scoring - Strong knowledge of data analytics and statistics - Proficiency in relevant software for data modeling and analysis Please note that the availability of structured data will be confirmed upon hiring. If you have experience in this field and think you can help, please get in touch.

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    Power BI Dashboard for Web Metrics 22 小时 left
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    I'm seeking a skilled data visualisation professional to create a Power BI dashboard. The dashboard should be capable of pulling metrics, specifically likes, impressions, etc, clicks, from Facebook and Google APIs. Key requirements include: - Be able to adjust the timeframe of pulled data, with options including (but not limited to) the last 7 days, last 30 days, as well as custom date ranges. - Please note, though, that there's a need for detailed breakdowns by geographic location, age group, or gender. Ideal skills for this task involve proficiency in Power BI, data visualisation, as well as experience working with Facebook and Google's APIs. Your ability to deliver a user-friendly and functional dashboard that meets the specified requirements will be greatly valued. D...

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    I require an expert in data analytics, specifically someone proficient in Power BI, for an upcoming project of mine. The scope of the work involves generating meaningful visualizations around customer insights data that I have. Detailed responsibilities will include: - Understanding the nature of the collected data - Developing clear, comprehensive visual reports using Power BI Ideal candidates would possess: - Extensive experience with Power BI - Strong understanding of data visualization concepts - Ability to work independently on customer insights data - Good communication skills to explain complex data in a simplified manner Additionally, experience in analyzing customer behavior would be a huge plus. Please provide examples of previous data visualization assignments, specifica...

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    I need a skilled Excel professional to help me with data analysis and manipulation using the Solver add-in to solve optimization problems. Key Requirements: - Perform data analysis and manipulation in Excel - Apply Solver add-in to solve optimization problems Ideal Skills and Experience: - Strong proficiency in Excel - Prior experience with data analysis and manipulation - Familiarity with Solver add-in in Excel - Ability to interpret data to solve optimization problems - Attention to detail and accuracy for successful data manipulation Please include your relevant experience and how you can address the task described above in your bid.

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    I have a Python project that performs analysis similar to my strategy used on TradingView, and I would like it to be refined to be more accurate, as there are some inaccuracies in the market analysis.

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    Quantitative analysis system 17 小时 left
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    I need to create a quantitative analysis system for the Finance market. I already have the calculations, but I need someone to pull the data using an API and perform the calculations to achieve the desired result using Python.

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    To carry out this project successfully, I seek a quantitative data analyst well-versed in AMOS and SPSS. The project is focused on: - Data Analysis: The main task is to conduct correlation and moderation in Amos. - Statistical Modeling: Create and employ statistical models as a critical part of the data analysis process, with specific focus on correlation and moderation. - Research Support: There will be some instances where you would need to support ongoing research. Knowledge in research methods would be advantageous. Ideal Skills: - Proficiency in AMOS and SPSS - Strong experience in statistical modelling - A background in quantitative data interpretation - Understanding of research methodologies - Familiarity with correlation and moderation in a multivariate data set - Experience...

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    I am in need of a seasoned data analyst who can effectively work on a data visualization project for me. The main purpose of this project is: - Utilizing numerical data, categorical data, and time series data - Creating clear visual representations to aid in identifying trends and patterns - Spotting anomalies and outliers - Comparing various datasets An ideal candidate for this project would have a strong background in data analytics, preferably with previous experience in data mining and predictive modeling. Mastery in utilizing data visualization tools and software is also crucial. You should be able to understand and interpret complex data, and not only represent it visually but also spot anomalies, outliers and perform comparisons between different datasets, ultimately providing dee...

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    SPSS Data Analysis & Report Writing 17 小时 left
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    I'm in need of a professional who can assist with analyzing my psychology data using SPSS. Key Requirements: - Proficient in SPSS: You should have significant experience using SPSS for data analysis. - Statistical Analysis: Able to perform descriptive statistics, hypothesis testing, Anova2x2, and Pearson/Spearman. - Interpretation Skills: I would like you to help me understand and interpret the results. - Report Writing: Post analysis, I'll need a detailed written report of the results and their implications. Please make sure your bid includes previous experience, a clear plan on how you would approach this project, and an approximate timeline for completion.

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    I'm currently in need of an expert in transportation economics to assist with a modelling project. The focus of the project will be on supply and demand analysis, and cost-benefit analysis within the transportation sector. Key Requirements: - Expertise in transportation economics modelling - Proficiency in supply and demand analysis - Skilled in conducting cost-benefit analysis -scenario analysis based cost and time Ideal Skills: - Extensive experience in econometric modelling and analysis - Strong understanding of transportation sector dynamics - Ability to interpret and apply economic theory to real-world transportation issues Experience with similar projects and a solid background in economics is a definite plus. The project involves a combination of both quantitative and qual...

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