Python Playground

I'm trying to rewrite a forecasting model (in Stata) using Python (with pandas.stats.api.ols), … Read more Linear Regression Fails In Python With Large Values In Dependent Variables

I am learning R to solve a second order differential equation(probably using deSolve package). Whic… Read more How Do I Solve A Second Order Differential Equation In R?

I'm quite new on bash scripting and on python programing; at the moment have 2 columns which co… Read more How Can I Extract Numeric Ranges From 2 Columns And Print The Range From Both Columns As Tuples?

I have a folder /myfolder containing many latex tables. I need to replace a character in each of t… Read more How To Replace A Character Inside The Text Content Of Many Files Automatically?

I'm experimenting with negative binomial regression using Python. I found this example using R,… Read more Python Negative Binomial Regression - Results Don't Match Those From R

I have a csv with multiple tables with variables stored in both rows and columns. About this csv: … Read more Wide To Long Data Table Transformation With Variables In Columns And Rows

I have an R script that makes a couple of plots. I would like to be able to execute this script fr… Read more Executing An R Script From Python

I am trying to reproduce salted sha256 output from R code in Python: library(openssl) res = sha256(… Read more How To Reproduce An Sha256-based Hmac From R In Python 3

Either python or R is fine to use for this but could someone advise me on how to select the 'Ba… Read more Select Specific Rows And Cells In Text File And Put Into Data Frame: Python Or R

I'm trying to come up with a way to solve this question I asked yesterday: rpy2 fails to import… Read more Read R Function Output As Columns

I have a function that takes the items in a Python list, puts them through a function in R, and out… Read more Converting A R Listvector To A Python List With Rpy2

Are there some ready to use libraries or packages for python or R to reduce the number of levels fo… Read more Reduce Number Of Levels For Large Categorical Variables

I've runned some algorithms and wanted to make some statistics analysis with the results. I hav… Read more Statistics Tests (kolmogorov And T-test) With Python And Rpy2

I'd like to use python to scrape google scholar search results. I found two different script to… Read more Extract Google Scholar Results Using Python (or R)

I struggle a bit with following problem. I would like to find 'grouped/clustered' regions w… Read more "grouped/clustered" Regions In Vector In R/python

I have 2-time series data with different time stamps and a different number of data points. First d… Read more Two Time Series Data With Different Time Stamps And A Different Number Of Data Points

Summary: I thought that using gCentroid in R would return the centroid of a group of points, howeve… Read more Gcentroid (rgeos) R Vs. Actual Centroid (in Python)

I have a data frame with close to a 4 million of rows in it. I need an efficient to way to subset t… Read more Subset Recursively A Data.frame

So I need to do Principle Component Regression with cross validation and I could not find a package… Read more Accessing A R User Defined Function In Python

I have basic R script that performs a GLM on a MySQL dataset. This runs fine using Rscript in bash.… Read more Passing A Python Variable To R Using Rpy2