Thomas

Thomas has asked 5 questions and find answers to 239 problems.

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Behavioral scientist and R hacker

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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

how to skip blank files in read.table() in R
Create a list with named values by applying a function to each row of a data frame
Interactive graphical data input in R
Flexible functions R
Unable to install and load packages
Select a subset of combinations
Conditionally multiplying vectors (currency conversion)
Character string formula (from paste()) does not work with randomForest()
I'm comparing two columns to create a third...it's not working?
Amazon Mechanical Turk submit button not working