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Aggregate Function in dplyr Cheat Sheet by

Aggregate Functions in Summarise

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

Aggregate Functions in dplyr

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

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