Aggregate Function in dplyr Cheat Sheet by shanly3011

mean(x) - Gives mean value
max(x) - Gives maximum value
median(x) - Gives median value
min(x) - Gives Minimum value
sd(x) - Gives Standard Deviation
var(x) - Gives Variance
IQR(x) - Inter Quartile range
diff(r­ange(x) - Gives the range

dplyr provides several helpful aggregate functions of its own.

first(x) - Returns First element
last(x) - Returns Last element
nth(x,n) - Returns nth element
n() - Returns number of rows
n_dist­inct(x) - Returns the count of unique values in the vector