I'm working on an assignment for school using "R" for the first time. We are using a dataset that was preloaded on "R" referred to as "mtcars". I've already found the mean, and standard deviation for several variables, but now I need to calculate the Z score for them. Is there a command to use in "R" to calculate z scores?
data <- mtcars
m <- mean(data$mpg)
s <- sd(data$mpg)
z <- (data$mpg - m)/s
z
Not sure if I am entering this solution wrong, but I cant get this to work
My output looks like this for z values of the mpg column:
[1] 0.15088482 0.15088482 0.44954345 0.21725341 -0.23073453 -0.33028740
[7] -0.96078893 0.71501778 0.44954345 -0.14777380 -0.38006384 -0.61235388
[13] -0.46302456 -0.81145962 -1.60788262 -1.60788262 -0.89442035 2.04238943
[19] 1.71054652 2.29127162 0.23384555 -0.76168319 -0.81145962 -1.12671039
[25] -0.14777380 1.19619000 0.98049211 1.71054652 -0.71190675 -0.06481307
[31] -0.84464392 0.21725341
Show us the commands you used and the resulting output.
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