Jim

Jim has asked 5 questions and find answers to 13 problems.

Stats

About

Jim questions

Why is grouped summation slower with sorted groups than unsorted groups?

Jim answers

How to read a text file in R as one line
Non-standard subsetting of data.frames
Mac OS X R error "ld: warning: directory not found for option"
How to enumerate all S4 methods implemented by a package?
DBI connection to SQL Server (and Sybase 12.5) does not return greek characters
GitHub displays all code chunks from README.rmd (despite include=FALSE)
Converting R matrix into LaTeX matrix in the math or equation environment
How to subset data.frame by weeks and then sum?
Alternate Compiler for Installing R Packages: clang: error: unsupported option '-fopenmp'
Writing a R lint program