Advanced Statistics - Biology 6030

Bowling Green State University, Fall 2017

Analysis of associations between variables: Pearson's Product-Moment Correlation

Uses

Assumptions

How this is done

or using an equivalent computer formula that can be calculated in a single pass of the data.

t =

Worksheets

In R first import the datafile DummyData, then calculate terms for the correlation for variables "Age", "Brightness" and "Size", then report the results:

> dummy <- read.table("/DummyData.txt", header=TRUE, sep="", na.strings="NA", dec=".", strip.white=TRUE)
> cor.test(dummy$Brightness, dummy$Size, alternative="two.sided", method="pearson")


last modified: 2/3/14
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