phi.range: Example User Function

In eRm: Extended Rasch Modeling

Example User Function

Description

Calculates the R_\phi statistic, i.e., the range of the inter-column correlations (\phi-coefficients) for a binary matrix.

Usage

phi.range(mat)

Arguments

mat	a binary matrix

Value

The range of the inter-column correlations

Examples

ctr <- rsctrl(burn_in = 10, n_eff = 5, step=10, seed = 123, tfixed = FALSE)
mat <- matrix(sample(c(0,1), 50, replace = TRUE), nr = 10)
rso <- rsampler(mat, ctr)
rso_st <- rstats(rso,phi.range)
print(unlist(rso_st))

eRm documentation built on May 29, 2024, 2:12 a.m.