Does what furniture::rowmeans() does while allowing a certain number (n) to have missing values.

rowmeans.n(..., n)

Arguments

...

the variables (unquoted) to be included in the row means

n

the number of values without missingness required to get the row mean

Value

the row means

Examples

if (FALSE) { library(furniture) library(dplyr) data <- data.frame( x = sample(c(1,2,3,4), 100, replace=TRUE), y = rnorm(100), z = rnorm(100) ) data2 <- mutate(data, x_y_z_mean = rowmeans.n(x, y, z, n = 2)) }