z.calc: Simplified Z Scores

In vannstats: Simplified Statistics for PA 606

Simplified Z Scores

Description

This function calculates the Z score for a given value, relative to the mean and standard deviation for a variable in a given data frame.

Usage

z.calc(df, var1, raw, tails = NULL)

Arguments

df	data frame to read in.
var1	the variable of interest for which the mean and standard deviations will be calculated.
raw	the desired raw score to compare with the mean and standard deviation of var1.
tails	to report a p-value (level of significance) for the reported Z score, user must select a desired number of tails (either tails = 1 for a one-tailed test, or tails = 2 for a two-tailed test). Default set to NULL, and does not report a p-value.

Value

This function returns the raw score, mean, and z-score for a given raw score.

Examples

data <- mtcars

z.calc(data,mpg,12)

vannstats documentation built on April 15, 2023, 9:09 a.m.