Calculate Percentage by Group in R (2 Examples) | Subgroup Probability | group_by & mutate Functions

R code of this video:

subgroup = letters[1:4],
value = 1:12)

data_new1 ＜- transform(data, # Calculate percentage by group
perc = ave(value,
group,

library("dplyr")

data_new2 ＜- data %＞% # Calculate percentage by group
group_by(group) %＞%
mutate(perc = value / sum(value)) %＞%

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[Anonymouslearner]

i'm not getting suggestion of perc=ave code, and not getting executed while running

[BONGANIMO]

I can't see.... If it could be zoomed in

[miniminj]

hello, I would like to know if there is one more column(subgroup), then how to calculate the percentage?Thank you!!

[abbasdwain]

Thank you. Is it possible to add a percentage symbol for each number in the new column

[PrinceKumar-cmnw]

I just completed this playlist and this is very helpful for me. Thank you