R/examples/ex-ddply.R
In kongdd/Ipaper: Collection of personal practical R functions
dt <- data.table(x = 1:10, y = 1:5)
dt_dlply(dt, .(y), ~.[which.max(x)])
dt_ddply(dt, .(y), ~ top_n(., 1, x))
kongdd/Ipaper documentation built on March 27, 2024, 5:34 a.m.
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dt <- data.table(x = 1:10, y = 1:5)
dt_dlply(dt, .(y), ~.[which.max(x)])
dt_ddply(dt, .(y), ~ top_n(., 1, x))
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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