Response time correction and smoothing of time-series temperature data
$30-250 USD
进行中
已发布超过 8 年前
$30-250 USD
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I have some time series data of skin temperature measurements from human subjects. These subjects underwent a series of temperature transitions. However, the devices used to measure skin temperature had a slow response time. I'd like to do a rough correction of these measurements based on some response time data I collected retrospectively. I have a very crude correction matrix based on the difference in temperature measurements over time between a quick response device and the slow response device used. This can be used as the basis of the correction. I've also attached some example graphs showing the type of correction I'm referring to.
In addition, I'd also like to smooth the data to remove minor fluctuations, and interpolate from 5 second intervals down to 1s intervals using a public spline interpolation. The aim of the correction exercise is to correct the general trend of skin temperature change following the transition.
There is data from 13 subjects, each with 13 skin temperature measurements. There are 6 transitions in total. Data will be provided as an Excel file (.xlsx). The corrected and smoothed data should be returned in the same document upon completion. The data file and any addition details will be given to the successful applicant.
Desired Skills
MATLAB, Data Science, Data Analytics, Data Cleansing, Mathematica
Hello, dear friend.
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Hi, I am an Aerospace engineer. I have very strong analytical and problem solving skills. I assure you that I will give best quality work to you.
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Hi, I went through your description, I'm okay with excel file. I too work with eeg time series data a lot, part of my academic background, so I'm aware of data pre-processing stages. let's see what difficulties you are facing? I'll be happy to help you out by carving out some of my time. you can additionally visit the MATLAB section of my blog at www.iquotient.wordpress.com.
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Dear Madam or Sir,
I have great experience in Matlab and can easily implement the solution you described. As a mathematician and software developer, I understand both the theoretical as well as the practical part. Unfortunately, the images you mentioned are not attached. However, the proper solution for your problem is using a simple Kalman filter. The Kalman Filter is a probabilstic model that uses the the response time you measured as a parameter and smoothes the result at the same time depending on the noise of your data.
I am looking forward to discuss you problem in the chat.
Best regards
Hello Sir
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Thank You
As an experimental physicist I have a lot of experience in data processing and interpretation. I have also worked with temperature sensors in previous projects.
The data analysis will be performed in matlab or python, where batch processing is easy.
In order to select appropriate filters / smoothing algorithms I would like to see your data.
Regarding the correction of sensor response times I would like to talk to you about the experimental details.
I think, that your problem can be solved within a few days and I'm looking forward to talk to you.