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quasiquotation for freq()

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dr. M.S. (Matthijs) Berends
2019-01-28 11:20:32 +01:00
parent 63e343d555
commit f6336fdd89
15 changed files with 550 additions and 136 deletions
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9
man/freq.Rd
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@ -34,7 +34,7 @@ header(f, property = NULL)
\arguments{
\item{x}{vector of any class or a \code{\link{data.frame}}, \code{\link{tibble}} (may contain a grouping variable) or \code{\link{table}}}
\item{...}{up to nine different columns of \code{x} when \code{x} is a \code{data.frame} or \code{tibble}, to calculate frequencies from - see Examples}
\item{...}{up to nine different columns of \code{x} when \code{x} is a \code{data.frame} or \code{tibble}, to calculate frequencies from - see Examples. Also supports quasiquotion.}
\item{sort.count}{sort on count, i.e. frequencies. This will be \code{TRUE} at default for everything except when using grouping variables.}
@ -78,7 +78,7 @@ header(f, property = NULL)
A \code{data.frame} (with an additional class \code{"frequency_tbl"}) with five columns: \code{item}, \code{count}, \code{percent}, \code{cum_count} and \code{cum_percent}.
}
\description{
Create a frequency table of a vector with items or a data frame. Supports quasiquotation and markdown for reports. The best practice is: \code{data \%>\% freq(var)}.\cr
Create a frequency table of a vector with items or a \code{data.frame}. Supports quasiquotation and markdown for reports. Best practice is: \code{data \%>\% freq(var)}.\cr
\code{top_freq} can be used to get the top/bottom \emph{n} items of a frequency table, with counts as names.
}
\details{
@ -135,9 +135,12 @@ septic_patients \%>\%
# multiple selected variables will be pasted together
septic_patients \%>\%
left_join_microorganisms \%>\%
filter(hospital_id == "A") \%>\%
freq(genus, species)
# functions as quasiquotation are also supported
septic_patients \%>\%
freq(mo_genus(mo), mo_species(mo))
# group a variable and analyse another
septic_patients \%>\%