Factor analysis

statistical method used to describe correlation through fewer possibly latent variables

thumb|Biplot of Iris flower data set|Fisher's iris data set. The scattered points are the input scores of observations and the arrows show the contribution of each feature to the input loading vectors. thumb|Spectramap biplot of Anderson's iris data set thumb|Discriminant analysis biplot of Fisher's Iris flower data set|iris data

a line plot of the eigenvalues of factors or principal components in an analysis

statistical technique

interviewing technique

social science research method