ruby-regress
A partial drop-in replacement for |STAT's regress
ruby-regress
is a tool for computing correlations and regression equations
from two-variable input. It is designed to function as a drop-in replacement
for Gary Perlman's regress
, at least for those who use only the basic
functionality that regress
provides...
Installation
Download the most recent source from Github:
git clone git://github.com/doches/ruby-regress.git
then build and install the gem:
cd ruby-regress
rake build
sudo rake install
Usage
ruby-regress installs a single command line tool called regress
, which
reads from STDIN
and prints a report containing the correlation coefficient,
plus some descriptive statistics, to STDOUT
. For example, if we have a file in
the current directory called data.txt
containing two datasets:
1 12.0
2 11.0
3 13.0
4 14.0
we can get the correlation coefficient between these two variables by:
cat data.txt | regress
which will dump a load of statistical information about the datasets to the terminal.