Monday, November 10, 2008

Partial correlation

Partial correlation measures the degree of association between two random variables, with the effect of a set of controlling variables removed.

In this tutorial, we show how to use the PARTIAL CORREALTION component of Tanagra. We reproduce the example described online (see Reference). Thus, in addition to the presentation of the theoretical method, we can trace the detail of all the calculations that we will achieve.

Keywords: correlation, Pearson's correlation, rank correlation, Spearman's rho, partial correlation
Components: LINEAR CORRELATION, SPEARMAN’S RHO, PARTIAL CORRELATION
Tutorial: en_Tanagra_Partial_Correlation.pdf
Dataset: wechsler_adult_intelligence_scale.xls
Reference: S. Rathbun, A. Wiesner, « STAT 505 – Applied Multivariate Statistical Analysis », The Pennsylvania State University, Lesson 7 : Partial Correlations