Mean_by_factors

This software computes the means by factors of tables rows. Missing values (NA) are allowed. See also Aggregate rows.

Manual :

1- if not already installed, install R programming language.

2- unzip the software

3- copy your files in the “data” directory. Very important : avoid spaces or special characters in files names. The files must be formated as follows (an example is given with the soft) :

- txt or csv files with TAB separator

- first line : column names

- first column : factors

- next columns : values with dot as decimal separator.

3- execute the software by the command : source("mean_by_factors-xx.r") in R

4- Results are in the “results” directory