Good post. Keep posting this type of posts. They are really helpful.

In addition to , what are the other functions for searching through help and documentation?

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    #Thank you, this is truly very helpful specially for biologist like me. I have a question.. So I am using .csv files that have data.. first column is usually sample/patient name then each subsequent column is a data point that is either numerical or factor. since sometimes we have 100+ columns, it is cumbersome to write mean or table (Filename$Columnname) for each to get an output. .. or whatever function. Instead, i was trying to use the for loop function. so what i did is first create the data frame using:

in Recommending R from Barry Rowlingson on 2009-02-03 (R help archive

This page has been very helpful, but I was hoping you could help me out with an R function I’m setting up – I have been at this for a few days as I’m new to R. I stumbled on this page because I am trying to figure out why only my last value is being calculated by the for loop. You explain above: