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BIOS 7010 Power and Sample Size Part 1 - Statistical Power.mp4

From  Ivonne Marie Berges 0 plays 0  

By-Processing - Part 3 (ddply() and summarise()).mp4

There are several different functions and methods available in R to compute statistics or, more generally, apply functions to groups of observations within a data set. The tapply() function is…

From  Daniel Hall 268 plays 0  

Reading Data Into R - Part 2 (read.csv() and read.fwf())

In this video we continue through Examples 4-6 in Mod9Script.R and learn how to read in comma-delimited and column-aligned plain text data files using the read.csv() and read.fwf() functions. You…

From  Daniel Hall 606 plays 0