R mean by group

d <- read.table(text=
'Name     Month  Rate1     Rate2
Aira       1      12        23
Aira       2      18        73
Aira       3      19        45
Ben        1      53        19
Ben        2      22        87
Ben        3      19        45
Cat        1      22        87
Cat        2      67        43
Cat        3      45        32', header=TRUE)

aggregate(d[, 3:4], list(d$Name), mean)

  Group.1    Rate1    Rate2
1    Aira 16.33333 47.00000
2     Ben 31.33333 50.33333
3     Cat 44.66667 54.00000

Source: stackoverflow.com

Similar codes

0 vote145 views2 answers
Plot porportion bar chart in r
R
0 vote129 views1 answer
Autoplot confusion matrix
R
0 vote142 views2 answers
Linear regression r text label coefficient ggplot
R
0 vote163 views1 answer
R summary
R
0 vote157 views1 answer
R: foreach multiple argument
R
0 vote151 views2 answers
Median of a row dataframe in r
R
0 vote142 views4 answers
Convert first row to header in r
R
3 votes157 views1 answer
R remove row dataframe
R
0 vote135 views1 answer
R difference | and ||
R
0 vote171 views4 answers
If not na in r
R