# Glossary

## Glossary

communality: the amount of variance in the item/variable explained by the (retained) factors. It is the sum of the squared loadings, a.k.a.

*communality*.eigenvalue: the amount of variance explained by a factor; the sum of squared factor loadings

h2: See communality.

`u2`

: 1 -`h2`

. residual variance, a.k.a.*uniqueness*