textir (version 1.4)

corr: Sparse Matrix Correlation

Description

Correlation calculation for a simple_triplet_matrix and a matrix.

Usage

corr(x, y)

Arguments

x

A simple_triplet_matrix (or a matrix, in which case the function returns cor(x,y)).

y

A matrix with nrow(y)=nrow(x).

Value

• An ncol(x) by ncol(y) matrix containing correlation between x and y.

See Also

cor, sdev, freq, congress109

Examples

data(congress109)
r <- corr(congress109Counts, congress109Ideology$repshare)
## 20 terms for Democrats
sort(r[,1])[1:20]
## 20 terms for Republicans
sort(r[,1], decreasing=TRUE)[1:20]