medianf {wINEQ}

Median of ordered factor or numeric

Description

Computes median of ordered factor or numeric variable taking into account weights.

Usage

medianf(X, W = rep(1, length(X)))

Arguments

X

is a data vector (numeric or ordered factor)

W

is a vector of weights

Details

Calculates median based on cumulative distribution. Tailored for ordered factors.

Value

The median category (number or label) of ordered factor.

Examples

# Compare weighted and unweighted result
X=factor(c('H','H','M','M','L','L'),levels = c('L','M','H'),ordered = TRUE)
W=c(2,2,3,3,8,8)
medianf(X)
medianf(X,W)