aggr_share_of
calculate the share of a group of entries in the
entirety of entries one level above, such as the share of plaice in
landings of a particular fishing fleet per year.
1 | aggr_share_of(data, id.vars, col, case, value)
|
data |
Dataset to use. |
id.vars |
A list of the variables to split data frame by, as as.quoted variables, a formula or character vector (similar ddply in package plyr). |
col |
Variable name that defines the case for which share is to be calculated. |
case |
Name of the case for which share in the entirety is to be calculated. |
value |
What to aggregate, i.e. calculate the share of? |
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