var,HistDat-method {HistDat}

Calculates the variance of observations in the histogram dataset

Description

Calculates the variance of observations in the histogram dataset

Usage

## S4 method for signature 'HistDat'
var(x, y = NULL, na.rm = FALSE, use)

Arguments

x

An instance of the class HistDat

y

Provided for compatibility with stats::var(), but ignored

na.rm

Provided for compatibility with stats::var(), but ignored

use

Provided for compatibility with stats::var(), but ignored

Value

A numeric of length 1, holding the variance of all observations in the dataset

Examples

hd <- HistDat(vals = 1:3, counts = c(1, 2, 1))
var(hd) # returns 0.6666667