数据科学 Jobs

Data Science is a multidisciplinary field that deals with extracting insights and patterns from raw data to facilitate informed and strategic decision-making. Data Science Experts possess advanced skills in computer science, mathematics, statistics, and domain knowledge essential for interpreting data and solving complex problems. They can help you harness the power of data-driven analytics to make improvements to your business strategies, IT systems, or product development processes.

Here's some projects that our expert Data Science Experts made real:

  • Machine learning algorithms development for personalization and recommendation systems in mental healthcare
  • Custom dashboard creation for seamless integration with accounting platforms like Xero
  • Neural network optimization for image recognition or natural language processing tasks
  • Data analysis and visualization using tools like PowerBI for comprehensive reports
  • Federated learning techniques implementation for secure and efficient data processing across organizations
  • NLP-based applications development such as sentiment and emotion analysis of audio content in multiple languages
  • Water leakage detection systems using advanced data analysis and predictive modeling techniques
  • Assistance in formulating research ideas and implementing projects for data science publications

If you're looking to take advantage of the wealth of information hidden within your data or leverage the power of AI and machine learning to drive smarter, more effective decision-making, then look no further than Freelancer.com. Our talented community of Data Science experts is here to transform your ideas into reality.

We invite you to post your project on Freelancer.com today and hire some of the best Data Science experts from around the world. Experience firsthand how their expertise can improve your organization's performance, innovate new products, or optimize current systems. Make the smart choice - let our Data Science professionals help you navigate the ever-evolving landscape of data-driven technology solutions.

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    For this significant project, I require an expert with strong knowledge in statistical analysis, specifically in health or medical statistics, to assess whether the probability of recurrence of breast cancer changes over time. Skills and Experience: - Background in Health/Medical Statistics - Proficient in statistical analysis software Project Details: - As the client, I am interested in exploring the recurrence patterns of breast cancer. - I have chosen a statistical analysis approach over a machine learning approach for this project. - The statistical test or methodology to be used will depend on multiple factors and I am open to expert suggestions in this regard. However, the chosen method must accurately evaluate the probability of breast cancer recurrence over a specified time p...

    $1234 (Avg Bid)
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    43 个竞标

    I need a comprehensive financial spreading tool that is capable of generating a variety of financial statements. Key Requirements: - Generating the basic financial statements: Balance Sheet, Income Statement, and Cash Flow Statement. - In addition to the basic statements, the tool should also be capable of generating the following financial statements: Statement of Retained Earnings, Statement of Changes in Equity, and the Statement of Comprehensive Income. It is essential that the tool is user-friendly and can handle large datasets efficiently. I am looking for a professional who has expertise in financial analysis and software development. Proficiency in building financial tools and a good understanding of financial statements is a must. The ability to deliver a high-quality produc...

    $2539 (Avg Bid)
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    18 个竞标

    Hey ML Experts! I have attached a zip file of the code and require the following modifications. 1.) Change the input dataset (simple to do from importing a csv) 2.) Instead of publishing the output Running on , modify to display the outcome on python (Or preferably Jupyter notebook) 3) Instead of a dropdown, predict from a schedule of fixtures (from a csv) Simple and straight forward!!! Codes already running fine Accuracy is around 64% Timeline: ASAP Budget: 20$

    $148 (Avg Bid)
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    I am in need of a biostatician capable of conducting a comprehensive statistical analysis and result on a healthcare project. As a biostatician undertaking this project, you should possess in-depth knowledge of medical statistics and clinical trials. Previous experience in healthcare projects and a robust understanding of statistical tools are indispensable for this role. Your primary task will consist of methodically examining the provided data and delivering precise results based on your findings. Your expertise in developing valid mathematical models and drawing statistically significant conclusions will be crucial to the success of this project.

    $812 (Avg Bid)
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    Buscamos un programador experimentado y creativo para desarrollar una inteligencia artificial avanzada que incluya un avatar interactivo con personalidad dinámica. Esta IA debe ser capaz de comunicarse en todos los idiomas y adaptarse a diversas interacciones con los usuarios. El proyecto incluye las siguientes características clave: Avatar Interactivo: Creación de un avatar gráfico que represente a la IA, con movimientos y expresiones faciales realistas para mejorar la interacción usuario-IA. Personalidad Dinámica: Programación de una personalidad adaptable para la IA, capaz de cambiar su comportamiento y respuestas según el contexto y las interacciones previas con los usuarios. Multilingüismo Completo: Implementación ...

    $1222 (Avg Bid)
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    7 个竞标

    I am potentially undertaking a town centres study for a Council in Essex. The mapping data needed for this study should show ward boundaries, roads/ street names and commercial buildings. Also to include centre boundaries which I would identify by marking-up a PDF plan. The mapping must be provided as shp file or tab file, so that the Council is able to access and update in due course. PDF extracts will also be needed. Ideal skills and Experience: - Experience in GIS mapping and analysis - Excellent knowledge in geospatial data management - Proficiency in using GIS software - Background in town planning or urban studies would be a plus Interest and budget costs sought. The project timeline can be discussed.

    $4249 (Avg Bid)
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    The goal of my project is to consolidate and analyse a large amount of scientific data using Stata. This project requires proficiency in both data management and econometric analysis. I'm seeking someone who can efficiently and effectively download and organize scientific datasets. This role will require the ability to identify, extract and structure relevant information from these complex databases. To successfully complete this project, you'll need: - Experience with scientific data collation. - Proficiency in Stata software. - Strong statistical knowledge, particularly in Panel data modelling. - Attention to detail for data organization and the accuracy of analysis results.

    $961 (Avg Bid)
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    In this project, we're aiming to dive deep into advanced image processing methods with particular focus on medical images. Here's what we aim to achieve: - Identifying distinct patterns within medical images - Predicting patient survival outcomes - Clustering the images based on similarities Though the choice to implement certain techniques was skipped, we remain open to ideas. Ideal proposals should detail the particular image processing techniques you might use, such as edge detection, object recognition, and image segmentation, to achieve our project goals. Experts in machine learning and statistical analysis, with experience in cluster analysis and outcome prediction, will be especially valued contributors to this project. Please note, a strong understanding of medical i...

    $5077 (Avg Bid)
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    Científico de datos para validación de modelos predictivos y posibles mejoras. Necesitamos validar un modelo existente y realizar posibles mejoras a partir de la validación. El modelo es una serie temporal multivariable.

    $1211 (Avg Bid)
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    4 个竞标

    I'm looking for a skilled data scientist who can develop a predictive model for dental absences, using a classification model. This model should have an accuracy rate between 80%-90%. Key Features: - Utilize historical data for training the model - Generate daily reports and present them in an interactive web page - Allow bulk upload of new appointments - Create an interactive dashboard that displays the predictions User Management System: - Implement a role-based access control system for user management - Include user profile creation and management - Enable password reset if required Ideal Skills and Experience: - Data Science and Machine Learning: Proficient in using classification models and training models on historical data - Web Development: Ability to create interactive...

    $4304 (Avg Bid)
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    I'm in need of a design and functional website that would primarily perform mental health analysis by extracting live data from Twitter APIs. The goal is to assist adults, hence, the user interface should be adapted for adult usability but should still maintain a higher level of seriousness, yet approachable appeal. This project would necessitate: - Proficiency in utilizing Twitter APIs - Experience with mental health analytics or similar health data analysis - Proficient in designing adult-oriented user interface - Ability to balance a serious yet inviting design - Creating a functional interface that can handle real-time data The perfect candidate should be proud to contribute to a platform that aims to improve mental health awareness and provide useful insights to its users.

    $148 (Avg Bid)
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    I'm in need of an expert who can create meaningful tables and graphs from raw data in an Excel spreadsheet for my Biology report on cress growth. This includes: - Developing a raw data table and corresponding graph - Creating a table and graph for the means of each data set - Formulating a table and graph demonstrating the means of means There will also be an application of correlation statistical analysis to the dataset. Your skills in data analysis, proficiency in Excel and experience in statistical modeling will be highly regarded. Your ability to translate complex data into easy-to-understand, visually appealing tables and graphs will be critical for this project. Essentially, Raw data for shoot length. Then group each petri dish together. So, 8 seeds germinated in 1 petri dish...

    $273 (Avg Bid)
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    33 个竞标

    I'm looking for a skilled data scientist who can develop a predictive model for dental absences, using a classification model. This model should have an accuracy rate between 80%-90%. Key Features: - Utilize historical data for training the model - Generate daily reports and present them in an interactive web page - Allow bulk upload of new appointments - Create an interactive dashboard that displays the predictions User Management System: - Implement a role-based access control system for user management - Include user profile creation and management - Enable password reset if required Ideal Skills and Experience: - Data Science and Machine Learning: Proficient in using classification models and training models on historical data - Web Development: Ability to create interactive...

    $148 / hr (Avg Bid)
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    14 个竞标

    I need help with optimizing and deploying an MLP model using Keras for time series prediction. The tasks include evaluating the current model with RMSE and MAE, performing hyperparameter tuning, and implementing cross-validation. Additionally, I need scripts to save and load the trained model and a Flask web service to serve the model and handle new data predictions. Proficiency in Python, Keras, TensorFlow, and Flask is required. Deliverables include an optimized model, scripts, a Flask web service, and documentation. Please share your relevant experience and a timeline for completion. Budget 50 CAD

    $687 (Avg Bid)
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    I'm looking for an expert in statistics and simulation modeling to create a MCMC simulation for estimating the maximum likelihood estimator of a custom made distribution. Your task will also be to find the bias, mse, mre for different values of parameters for various sample sizes. Key project responsibilities: - Implement a MCMC simulation model for a custom made distribution - Calculate the bias, mean squared error (mse), and mean relative error (mre) for distinct parameter values - Analyze results for different sample sizes The final product should also include a custom PDF with tables reflecting the statistical data gathered. Ideal freelancer skills: - Proficiency in statistical modelling and simulation techniques - Experience working with pdf creation and formatting - Strong un...

    $656 (Avg Bid)
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    6 个竞标

    Tengo un modelo predictivo en un notebook de Jupyter de manera local en donde se predicen fallas en una maquinaria, se necesita pasarlo a una instancia en Amazon Sagemaker para que pueda ejecutarse ahí, luego necesito que se elabore un dashboard en AWS Quicksight con los datos obtenidos del modelo, ahí se necesita agregar una linea de tendencia con la hora en que ocurrira la falla. Opcional (agregar un modulo de registro de datos para el modelo)

    $1289 (Avg Bid)
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    14 个竞标

    I'm looking for a skilled data scientist who can develop a predictive model for dental absences, using a classification model. This model should have an accuracy rate between 80%-90%. Key Features: - Utilize historical data for training the model - Generate daily reports and present them in an interactive web page - Allow bulk upload of new appointments - Create an interactive dashboard that displays the predictions User Management System: - Implement a role-based access control system for user management - Include user profile creation and management - Enable password reset if required Ideal Skills and Experience: - Data Science and Machine Learning: Proficient in using classification models and training models on historical data - Web Development: Ability to create interactive...

    $5866 (Avg Bid)
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    28 个竞标

    I'm seeking a skilled AI developer to improve and redevelop our current AI model for case identification. The current model, based on AWS Comprehend, is underperforming with an accuracy rate of less than 0.90. The new model should be able to effectively differentiate between a case our company can work on and those it can't, based purely on the text content. Key requirements include: - Reaching a minimum 0.90 accuracy rate. - Considering the context of the case in the text, not just the keywords. - Training the model with annotated text examples that clearly distinguish between relevant and irrelevant cases. In addition, the new model should be able to make intelligent predictions based on similarities with past cases in situations where the text is ambiguous or unclear. Idea...

    $10060 (Avg Bid)
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    52 个竞标

    I'm looking for a freelancer who can help me extract and analyze real-time keyword search volume, related queries, and regional interest data from Google Trends for content creation purposes. Key Responsibilities: - Extracting data: You'll be responsible for extracting specific data points from Google Trends related to the mentioned areas. - Analyzing data: You should be able to analyze the collected data and provide insights that can be used for content creation. Ideal Skills: - Proficient in Google Trends: A strong understanding of how Google Trends works and experience working with this tool is essential. - Data Analysis: A background in data analysis and the ability to draw meaningful conclusions from the data you extract. - Content Creation: Experience in content creatio...

    $86 / hr (Avg Bid)
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    16 个竞标

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