chmod +x define.js
sudo cp define.js /usr/bin/define

$ define independent variable

• (statistics) a variable whose values are independent of changes in the values of other variables  
wordnetweb.princeton.edu/perl/webwn

• The terms "dependent variable" and "independent variable" are used in similar but subtly different
 ways in mathematics and statistics as part of ...
en.wikipedia.org/wiki/Independent_variable

•  In an equation, any variable whose value is not dependent on any other in the equation;  The vari
able that is changed in a series of experiments
en.wiktionary.org/wiki/independent_variable

• The variable manipulated by the experimenter. It is a feature of a task given to subjects, or a ma
nipulation of the external or internal environment. Internal environment refers to attitudes, belief
s etc..
psy.st-andrews.ac.uk/resources/glossary.shtml

• A variable presumed to influence or precede another variable (dependent variable). The variable is
 systematically manipulated by the researcher to determine changes in the dependent variable. Also k
nown as the experimental variable or moderating variable. ...
www.prm.nau.edu/prm447/definitions.htm

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