# [R] Calculating mean, median, minimum, and maximum

mtrang mtrang at buffalo.edu
Fri Dec 19 17:08:29 CET 2014

```You can use the apply function which "applies" a function of your choice, and
MARGIN = 2 means you want to do it columnwise:

> apply(X = df, MARGIN=2, FUN = mean, na.rm = TRUE)
Latitude Longitude   January  February     March     April       May
June
26.9380 -109.8125  159.8454  156.4489  153.6911  150.1719  148.0885
149.2365
> apply(X = df, MARGIN=2, FUN = min, na.rm = TRUE)
Latitude Longitude   January  February     March     April       May
June
26.938  -110.688   121.204   118.713   117.293   114.398   112.357
113.910
> apply(X = df, MARGIN=2, FUN = max, na.rm = TRUE)
Latitude Longitude   January  February     March     April       May
June
26.938  -108.938   252.890   248.991   244.870   241.194   239.615
239.888
> apply(X = df, MARGIN=2, FUN = median, na.rm = TRUE)
Latitude Longitude   January  February     March     April       May
June
26.9380 -109.8120  134.5990  130.7960  127.4495  123.2100  120.8375
122.3835

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