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Hourly - Intermediate ($$) - Est. Time: More than 6 months, 10-30 hrs/week - Posted
Deep understanding of R, R using Cuda, R doing WFA, MAtlab Financial Modeling, Coding, Walk-Forward Analysis. C++, .NET Looking to find a strategic partner to to Teach me R and do large data analysis in the Stock Universe and Convert existing systems to R for Computational processing and Walk-Forward analysis and parameter selection enhancement.
Skills: Statistics Data Analytics Data Modeling Financial analysis
Hourly - Intermediate ($$) - Est. Time: Less than 1 week, 10-30 hrs/week - Posted
I have a spreadsheet with Csv file. I need to understand what factors are affecting on time performance (Y). I have around 40 variables and I want to make my analysis of my company and other competitors.
Skills: Statistics Regression testing
Fixed-Price - Entry Level ($) - Est. Budget: $100 - Posted
Any statisticians out there? I need someone to test the statistical reliability and validity (Cronbach's Alpha) of two online assessments I created (1-5 Likert scale). ... One is a 30-item quiz with 473 responses at http://laurastack.what-to-do.sgizmo.com/s3/ The second is a 36-item quiz with 3014 responses at www.ExecutionQuotient.com I need to know if I wrote a statistically valid test and if any questions should be thrown out.
Skills: Statistics Data Analytics
Fixed-Price - Entry Level ($) - Est. Budget: $50 - Posted
need to know how to identify regression models and using them to solve problems. Find limits, derivatives and definite integrals of functions by hand and by using technology. Solve problems applicable to business and the life sciences using limits, derivatives and definite integrals. Optimize functions of two variables. Must be an expert in math, calculus, pre calculus and pre algebra. I will send an attachment for review once applied for the job, I only need one person. I need someone to do this work until may 5th. This job is fixed for that date.
Skills: Statistics Business Mathematics Calculus Email Handling
Hourly - Intermediate ($$) - Est. Time: Less than 1 month, Less than 10 hrs/week - Posted
I have an algorithm to generate counterfactuals in dynamic programming problem that is currently written in Stata but needs to be written in MATLAB or AMPL for more efficient optimization. What I need the freelancer to do: - Understand the algorithm, written in English, and the code, written in Stata - Efficiently and clearly write a code in MATLAB or AMPL that does the same thing (minus any optimization, which currently isn't part of the Stata code) - As a bonus, it would be nice to incorporate optimization in the MATLAB or AMPL code, using MPEC or some other gradient-based method like fminunc Key skills needed for the job: - Understanding mathematical concepts, such as expectations - Efficient coding, both in terms of computation, memory, and time; for example, the problem may involve sparse matrices - As a bonus, understanding methods of optimization, and specifying numerical or analytical gradients and Hessian matrices A successful engagement will look like the following: - The Stata code will be replicated (i.e., results that the Stata code produces will also be produced by the MATLAB or AMPL code) - Potentially inefficiencies or even mistakes in the Stata code could be identified - The foundation for something that could be used in an optimization routine will be constructed, potentially the optimization itself could be done under this contract See attachments for more information on the conceptual framework (cf_algorithm.pdf), the empirical setting (empirical_setting.pdf, which also includes a discussion of what is saved as data), and the Stata code (compute_cf_policies.ado). A successful engagement will likely lead to future jobs
  • Number of freelancers needed: 2
Skills: Statistics Algorithms MATLAB Stata
Hourly - Entry Level ($) - Est. Time: More than 6 months, Less than 10 hrs/week - Posted
Statistical time series analysis of energy data with rapdiminer & r We are seeking an expert to build statistical models for time series data in the electric energy industry. ... Statistical time series analysis of energy data with rapdiminer & r We are seeking an expert to build statistical models for time series data in the electric energy industry. We have timeseries data as ¼ h values representing the current energy load that a customer is consuming from the grid. ... We have timeseries data as ¼ h values representing the current energy load that a customer is consuming from the grid. We would like to do advanced statistical analysis of the energy data and represent the outcome oft he analysis in form of a report or web application.
Skills: Statistical Computing Business Analysis Data Analytics Excel VBA
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