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Fixed-Price - Expert ($$$) - Est. Budget: $1,000 - Posted
Looking for a Data Scientist to complete the below job: A health researcher is interested in knowing whether a novel diet can help women lose weight. She conducts a randomized clinical trial over a period of 6 months to test whether the diet works. Five hundred women are randomized to receive the new diet (treatment) and five hundred are randomized to continue with their own diet (control). Weight in pounds is recorded at baseline (visit number 1) and at the beginning of every subsequent month for the next 5 months. The investigator wants to know whether the new diet will affect one’s weight over time differently for those on the new diet versus those not receiving the new diet. There are two data sets describing the results. They are included as comma-delimited files. The first, dataset1.csv, contains three variables: theid (the patient’s unique identifier), treatment (an indicator for whether the patient received the new diet (1) or not (0)), and age (the patient’s age in years at study entry). The second data set, dataset2.csv, contains three variables: id (the patient’s unique identifier), outcome (the patient’s weight in pounds recorded at a particular visit), and visitnumber (the visit number). 1) Create an analytic data set by appropriately merging the two files, and provide code for how you arrived at your analytic data set. 2) Fit a model that assesses whether treatment has an impact on weight and in particular, that allows the treatment effect to vary over time. For simplicity, it is reasonable to assume that weight behaves linearly over time within each treatment group. As there are multiple measurements per patient, a model that accounts for correlation of responses within an individual may be important. 3) Write out and describe the model that you fit (that is, explain what type of model you chose and write out the terms symbolically). 4) Interpret the results of the model fit to the investigator. Please assume the investigator has no statistical knowledge and effectively communicate the results to the investigator. Please send samples of previous work as data scientist.Looking to hire someone for multiple projects.
Skills: R Data Science
Fixed-Price - Intermediate ($$) - Est. Budget: $1,000 - Posted
We are looking for someone to create multiple choice test questions for SkillSoniq.com, in ANY of the following software programming tools. The more the better! 1. R 2. SAS 3. Unity Software 4. Bootstrap 5. SEO Concepts 6.
Skills: R AngularJS Big Data Bootstrap
Hourly - Entry Level ($) - Est. Time: Less than 1 week, 10-30 hrs/week - Posted
Using the method described in the paper, use Principal Component Analysis (PCA) together with multi-dimensional anomaly detection to identify unusual time series in a large collections of time series. Want commented source code included. I need this done asap. Hopefully within 24 hours
Skills: R Analytics Machine learning
Hourly - Entry Level ($) - Est. Time: Less than 1 week, Less than 10 hrs/week - Posted
We are looking for consultant /freelancer who will help us solving major error our in R Program model which we have build in azure MIL Since this is a critical requirement , I would like to the developer to be available on skype intially for support.
Skills: R Microsoft Windows Azure
Hourly - Expert ($$$) - Est. Time: 1 to 3 months, Less than 10 hrs/week - Posted
Seeking an advanced analytics architect to help propose an end-to-end, cloud-based, PaaS solution (rough wireframe), blending the best of Big Data, Machine Learning, Predictive and Prescriptive analytics for my startup in development.
Skills: R Apache Spark Big Data C
Hourly - Expert ($$$) - Est. Time: Less than 1 month, 10-30 hrs/week - Posted
Create an interface / wrapper to extract live market data, and indicators such as moving averages, RSI ...etc to interface with the trading platform in R. The R interface should be able to extract data, and invoke trading signals to the platform. ... The R interface should be able to extract data, and invoke trading signals to the platform. I can help with R programming but I need someone who can find the platform and interface with it.
Skills: R C++ Java Python