Standard Deviation in R (3 Examples) | Apply sd() Function in RStudio | Handle NA Values & Real Data
How to compute the standard deviation in the R programming language. More details: https://statisticsglobe.com/standard-...
R code of this video:
x ＜- c(4, 5, 1, 8, 9, 4) # Create example vector in R
sd(x) # Apply sd function
x_NA ＜- c(x, NA) # Create vector with NA
sd(x_NA) # Apply sd to NA vector
sd(x_NA, na.rm = TRUE) # Use na.rm option
data(iris) # Load iris data
head(iris)
sd(iris$Sepal.Length) # Apply sd to column of iris
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