newvar: Recurrence Relationship for Sample Variance

In thevaa/bmiproj: Some Basic Statistical Functions

Description

This functions updates the sample variance using old sample variance, old mean and new value

Usage

newvar(oldvar, n, mu, new)

Arguments

oldvar	a numeric value of old sample variance
n	a numeric value for the number of data including the new data
mu	a numeric value of the old mean
new	a numeric value of the new data point

Details

This function updates the sample variance using recurrence relationship between old mean, old sample variance and the new value.

Value

a numeric value of the updated sample variance

Author(s)

Thevaa Chandereng

See Also

var

new_mean

thevaa/bmiproj documentation built on May 31, 2019, 9:51 a.m.