MattLBeck

MattLBeck has asked 28 questions and find answers to 8 problems.

Stats

About

MattLBeck questions

Combining generic type parameters with interfaces in Java
subset data.frame for ggplot2 bar chart
Reading a "flipped" table in to a data.frame correctly
Reshape package masking preventing melt from naming columns
Dereferencing values from an array to declared variables in one line
Shorthand for adding new values to a hash of arrays
Filtering single-column data frames
Using a sorting subroutine from another package
Converting a data.frame to a list of lists
Prevent Perl from printing identical warning messages

MattLBeck answers

How to sum and count on a data.table grouped by values in R
Filter data.table using inequalities and variable column names
R data.table J behavior
For loop over unique values
Reading Input File and Putting It Into An Array with Space Delimiter in Perl
perl system command redirection to log files