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Hourly - Expert ($$$) - Est. Time: Less than 1 week, 30+ hrs/week - Posted
*Background:* Perhaps I already have it, but I simply do not know how to make sense of trained model results in R to make useful predictions out of R on new data. I just don't have statistics background, but I have programming background. ... So I think I just need someone who knows enough statistics and enough about R to show me how to make sense of training results in my R script. *Request:* I need the attached R script modified to accomplish the following: *(1)* Extract the result/formula, (formula values) of the classification models for each group/class, (-2,0,2) after my attached R script completes Stepwise LDA, QDA and Logistic Regression. ... *Request:* I need the attached R script modified to accomplish the following: *(1)* Extract the result/formula, (formula values) of the classification models for each group/class, (-2,0,2) after my attached R script completes Stepwise LDA, QDA and Logistic Regression.
Skills: R Data mining Data Science Machine learning
Hourly - Expert ($$$) - Est. Time: Less than 1 week, 30+ hrs/week - Posted
• Helping define the data analytics solution delivery methodology. • R&D and long-term positioning of the data analytics practice around current and emerging technologies. ... Qualifications Skills and Experience: • 2+ years experience in data science or data analytics • Experience developing algorithms with Python and/or R is required • Strong ETL and data cleanup skills required • Experience with distributed computing highly desirable • Strong working knowledge of modern data mining and machine learning methods • Strong statistics, mathematics, computer science, numerical methods, and data visualization • Strong background in linear algebra and probability required • Experience with data analysis on a variety of database platforms required, particularly NoSQL • Experience with Bayesian analysis highly desirable • Regular expression and text mining skills highly desirable • Rapid prototyping and development skills required • Development experience on Linux/Mac required • Strong solution creativity and effective written, verbal, and presentation skills • Entrepreneurial inclination to discover novel opportunities for applying analytical techniques to business and social problems • Collaborative team player who is detailed oriented, focused on solution quality and execution • Comfortable working across wide range of project sizes and industries Education: Bachelor’s Degree required Working Conditions: Occasional travel to client locations.
  • Number of freelancers needed: 2
Skills: R "Extract, Transform and Load (ETL)" Python
Hourly - Intermediate ($$) - Est. Time: Less than 1 week, 10-30 hrs/week - Posted
Hello, For a set of data divided into 2 groups, we would like to perform basic descriptive statics (n% or median IQR) and tests of significance, e.g. t test, chi square. This needs to be done using R.
Skills: R Statistics
Fixed-Price - Expert ($$$) - Est. Budget: $5 - Posted
---List of desirable skills--- Experience building predictive models, beyond regression analysis (e.g. random forests, support vector machines, etc.) Proficiency in R Proficiency in SQL and experience with at least one high level programming language such as C++ Experience with Hadoop or Spark Knowledge of more advanced topics such as optimization, multivariate analysis, text analytics, etc.
Skills: R C++ Fraud Analysis Fraud Mitigation
Fixed-Price - Intermediate ($$) - Est. Budget: $30 - Posted
I need some codes for estimating regression coefficients in R by using optimization algorithms like coordinate descent and convex optimization. ... I know how to use glmnet but it uses Fortran. I need pure R codes for optimization process.
Skills: R Statistics
Hourly - Intermediate ($$) - Est. Time: Less than 1 month, Less than 10 hrs/week - Posted
Hello! I will provide minutely EUR.USD bid-ask data in R (xts). I would like to test a simple martingale/market-making/mean-reversion strategy: say EUR.USD is at 1.08, and goes to 1.0810, go 20.000 Euro short.
Skills: R
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