R: use for loop to build a data frame

I wanted to test correlations between biological replicates of several samples in a ChIP-Seq experiment. Output better to be data frame with different features and samples.
Palm and Psion app resources today

Palm and Psion app resources today

Palm and Psion (EPOC) are still my favourite tools today, although they are quite different: Palm is purely single-tasking, while Psion is real multi-tasking. Although they are both around 20 years old, there are still resources on the web.
Reuse of 20-year old Psion 5MX

Reuse of 20-year old Psion 5MX

The Psion 5MX has a comfortable keyboard, a clear screen, a pocket size, a good system, but incapbability to communicate with moden devices.
Printing lines with sliding windows in bash

Printing lines with sliding windows in bash

This is originally from the work that I was trying to find enriched functional clusters on chromosomes. I made 5-gene sliding 50-gene blocks and tested functional enrichment in each block.
GO enrichment in topGO using KS test

GO enrichment in topGO using KS test

The R package topGO can perform GO enrichment using Fisher's Exact test, which is based on gene counts, as well as Kolmogorov-Smirnov like test, which is based on gene scores.