Thomas

Thomas has asked 5 questions and find answers to 209 problems.

Stats

About

Behavioral scientist and R hacker

#SOreadytohelp

Thomas questions

Build a square-ish matrix with a specified number of cells
Test whether a dataframe is a sorted version of another dataframe
Extract interaction terms from regression estimates
Datetime formatting in R3.0.3 and R3.1.3

Thomas answers

R apply function to rows of data frame using values as arguments
How to rbind matrices based on objects names?
Filter data frame based on multiple conditions in another data frame
Write XML using pipe operator with xml2
R: How to change the column names in a data frame based on a specification
R String Interpretation: why does "\040" get interpreted as " " and what other potential pitfalls could I come across in string interpretation?
Not able to install packages in R with install.packages() [closed]
How to run devtools::test from the command line?
in R , how to get the output to a file as well as on console at the same time?
In aggregate: sum not meaningful for factors