R is the perfect language for creating a variety of chi-square tests, which are used to perform statistical analyses of counts of data. Here's how, with some sample code. A chi-square test (also ...
A statistical test that allows one to determine whether observed quantities of a specific characteristic differed from the expected value purely by chance.
"Significance" has a very particular meaning in biology thanks to statistics. How does this term prove an experiment's results are worth special attention?