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< meta property = "og:description" content = "Create a frequency table of a vector with items or a data . frame . Supports quasiquotation and markdown for reports . Best practice is: data % & amp ; gt ; % freq ( var ) .
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top_freq can be used to get the top/bottom n items of a frequency table, with counts as names." />
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< h1 > Frequency table< / h1 >
< div class = "hidden name" > < code > freq.Rd< / code > < / div >
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< p > Create a frequency table of a vector with items or a < code > data.frame< / code > . Supports quasiquotation and markdown for reports. Best practice is: < code > data %> % freq(var)< / code > .< br / >
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< code > top_freq< / code > can be used to get the top/bottom < em > n< / em > items of a frequency table, with counts as names.< / p >
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< / div >
< pre class = "usage" > < span class = 'fu' > frequency_tbl< / span > (< span class = 'no' > x< / span > , < span class = 'no' > ...< / span > , < span class = 'kw' > sort.count< / span > < span class = 'kw' > =< / span > < span class = 'fl' > TRUE< / span > ,
< span class = 'kw' > nmax< / span > < span class = 'kw' > =< / span > < span class = 'fu' > < a href = 'https://www.rdocumentation.org/packages/base/topics/options' > getOption< / a > < / span > (< span class = 'st' > "max.print.freq"< / span > ), < span class = 'kw' > na.rm< / span > < span class = 'kw' > =< / span > < span class = 'fl' > TRUE< / span > , < span class = 'kw' > row.names< / span > < span class = 'kw' > =< / span > < span class = 'fl' > TRUE< / span > ,
< span class = 'kw' > markdown< / span > < span class = 'kw' > =< / span > !< span class = 'fu' > < a href = 'https://www.rdocumentation.org/packages/base/topics/interactive' > interactive< / a > < / span > (), < span class = 'kw' > digits< / span > < span class = 'kw' > =< / span > < span class = 'fl' > 2< / span > , < span class = 'kw' > quote< / span > < span class = 'kw' > =< / span > < span class = 'fl' > FALSE< / span > ,
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< span class = 'kw' > header< / span > < span class = 'kw' > =< / span > < span class = 'fl' > TRUE< / span > , < span class = 'kw' > title< / span > < span class = 'kw' > =< / span > < span class = 'kw' > NULL< / span > , < span class = 'kw' > na< / span > < span class = 'kw' > =< / span > < span class = 'st' > "< NA> "< / span > , < span class = 'kw' > droplevels< / span > < span class = 'kw' > =< / span > < span class = 'fl' > TRUE< / span > ,
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< span class = 'kw' > sep< / span > < span class = 'kw' > =< / span > < span class = 'st' > " "< / span > , < span class = 'kw' > decimal.mark< / span > < span class = 'kw' > =< / span > < span class = 'fu' > < a href = 'https://www.rdocumentation.org/packages/base/topics/options' > getOption< / a > < / span > (< span class = 'st' > "OutDec"< / span > ),
< span class = 'kw' > big.mark< / span > < span class = 'kw' > =< / span > < span class = 'fu' > < a href = 'https://www.rdocumentation.org/packages/base/topics/ifelse' > ifelse< / a > < / span > (< span class = 'no' > decimal.mark< / span > < span class = 'kw' > !=< / span > < span class = 'st' > ","< / span > , < span class = 'st' > ","< / span > , < span class = 'st' > "."< / span > ))
< span class = 'fu' > freq< / span > (< span class = 'no' > x< / span > , < span class = 'no' > ...< / span > , < span class = 'kw' > sort.count< / span > < span class = 'kw' > =< / span > < span class = 'fl' > TRUE< / span > , < span class = 'kw' > nmax< / span > < span class = 'kw' > =< / span > < span class = 'fu' > < a href = 'https://www.rdocumentation.org/packages/base/topics/options' > getOption< / a > < / span > (< span class = 'st' > "max.print.freq"< / span > ),
< span class = 'kw' > na.rm< / span > < span class = 'kw' > =< / span > < span class = 'fl' > TRUE< / span > , < span class = 'kw' > row.names< / span > < span class = 'kw' > =< / span > < span class = 'fl' > TRUE< / span > , < span class = 'kw' > markdown< / span > < span class = 'kw' > =< / span > !< span class = 'fu' > < a href = 'https://www.rdocumentation.org/packages/base/topics/interactive' > interactive< / a > < / span > (),
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< span class = 'kw' > digits< / span > < span class = 'kw' > =< / span > < span class = 'fl' > 2< / span > , < span class = 'kw' > quote< / span > < span class = 'kw' > =< / span > < span class = 'fl' > FALSE< / span > , < span class = 'kw' > header< / span > < span class = 'kw' > =< / span > < span class = 'fl' > TRUE< / span > , < span class = 'kw' > title< / span > < span class = 'kw' > =< / span > < span class = 'kw' > NULL< / span > ,
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< span class = 'kw' > na< / span > < span class = 'kw' > =< / span > < span class = 'st' > "< NA> "< / span > , < span class = 'kw' > droplevels< / span > < span class = 'kw' > =< / span > < span class = 'fl' > TRUE< / span > , < span class = 'kw' > sep< / span > < span class = 'kw' > =< / span > < span class = 'st' > " "< / span > ,
< span class = 'kw' > decimal.mark< / span > < span class = 'kw' > =< / span > < span class = 'fu' > < a href = 'https://www.rdocumentation.org/packages/base/topics/options' > getOption< / a > < / span > (< span class = 'st' > "OutDec"< / span > ), < span class = 'kw' > big.mark< / span > < span class = 'kw' > =< / span > < span class = 'fu' > < a href = 'https://www.rdocumentation.org/packages/base/topics/ifelse' > ifelse< / a > < / span > (< span class = 'no' > decimal.mark< / span > < span class = 'kw' > !=< / span >
< span class = 'st' > ","< / span > , < span class = 'st' > ","< / span > , < span class = 'st' > "."< / span > ))
< span class = 'fu' > top_freq< / span > (< span class = 'no' > f< / span > , < span class = 'no' > n< / span > )
< span class = 'fu' > header< / span > (< span class = 'no' > f< / span > , < span class = 'kw' > property< / span > < span class = 'kw' > =< / span > < span class = 'kw' > NULL< / span > )
< span class = 'co' > # S3 method for frequency_tbl< / span >
< span class = 'fu' > < a href = 'https://www.rdocumentation.org/packages/base/topics/print' > print< / a > < / span > (< span class = 'no' > x< / span > , < span class = 'kw' > nmax< / span > < span class = 'kw' > =< / span > < span class = 'fu' > < a href = 'https://www.rdocumentation.org/packages/base/topics/options' > getOption< / a > < / span > (< span class = 'st' > "max.print.freq"< / span > ,
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< span class = 'kw' > default< / span > < span class = 'kw' > =< / span > < span class = 'fl' > 15< / span > ), < span class = 'kw' > markdown< / span > < span class = 'kw' > =< / span > !< span class = 'fu' > < a href = 'https://www.rdocumentation.org/packages/base/topics/interactive' > interactive< / a > < / span > (), < span class = 'kw' > header< / span > < span class = 'kw' > =< / span > < span class = 'fl' > TRUE< / span > ,
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< span class = 'kw' > decimal.mark< / span > < span class = 'kw' > =< / span > < span class = 'fu' > < a href = 'https://www.rdocumentation.org/packages/base/topics/options' > getOption< / a > < / span > (< span class = 'st' > "OutDec"< / span > ), < span class = 'kw' > big.mark< / span > < span class = 'kw' > =< / span > < span class = 'fu' > < a href = 'https://www.rdocumentation.org/packages/base/topics/ifelse' > ifelse< / a > < / span > (< span class = 'no' > decimal.mark< / span > < span class = 'kw' > !=< / span >
< span class = 'st' > ","< / span > , < span class = 'st' > ","< / span > , < span class = 'st' > "."< / span > ), < span class = 'no' > ...< / span > )< / pre >
< h2 class = "hasAnchor" id = "arguments" > < a class = "anchor" href = "#arguments" > < / a > Arguments< / h2 >
< table class = "ref-arguments" >
< colgroup > < col class = "name" / > < col class = "desc" / > < / colgroup >
< tr >
< th > x< / th >
< td > < p > vector of any class or a < code > < a href = 'https://www.rdocumentation.org/packages/base/topics/data.frame' > data.frame< / a > < / code > , < code > tibble< / code > (may contain a grouping variable) or < code > < a href = 'https://www.rdocumentation.org/packages/base/topics/table' > table< / a > < / code > < / p > < / td >
< / tr >
< tr >
< th > ...< / th >
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< td > < p > up to nine different columns of < code > x< / code > when < code > x< / code > is a < code > data.frame< / code > or < code > tibble< / code > , to calculate frequencies from - see Examples. Also supports quasiquotion.< / p > < / td >
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< / tr >
< tr >
< th > sort.count< / th >
< td > < p > sort on count, i.e. frequencies. This will be < code > TRUE< / code > at default for everything except when using grouping variables.< / p > < / td >
< / tr >
< tr >
< th > nmax< / th >
< td > < p > number of row to print. The default, < code > 15< / code > , uses < code > < a href = 'https://www.rdocumentation.org/packages/base/topics/options' > getOption< / a > ("max.print.freq")< / code > . Use < code > nmax = 0< / code > , < code > nmax = Inf< / code > , < code > nmax = NULL< / code > or < code > nmax = NA< / code > to print all rows.< / p > < / td >
< / tr >
< tr >
< th > na.rm< / th >
< td > < p > a logical value indicating whether < code > NA< / code > values should be removed from the frequency table. The header (if set) will always print the amount of < code > NA< / code > s.< / p > < / td >
< / tr >
< tr >
< th > row.names< / th >
< td > < p > a logical value indicating whether row indices should be printed as < code > 1:nrow(x)< / code > < / p > < / td >
< / tr >
< tr >
< th > markdown< / th >
< td > < p > a logical value indicating whether the frequency table should be printed in markdown format. This will print all rows (except when < code > nmax< / code > is defined) and is default behaviour in non-interactive R sessions (like when knitting RMarkdown files).< / p > < / td >
< / tr >
< tr >
< th > digits< / th >
< td > < p > how many significant digits are to be used for numeric values in the header (not for the items themselves, that depends on < code > < a href = 'https://www.rdocumentation.org/packages/base/topics/options' > getOption< / a > ("digits")< / code > )< / p > < / td >
< / tr >
< tr >
< th > quote< / th >
< td > < p > a logical value indicating whether or not strings should be printed with surrounding quotes< / p > < / td >
< / tr >
< tr >
< th > header< / th >
< td > < p > a logical value indicating whether an informative header should be printed< / p > < / td >
< / tr >
< tr >
< th > title< / th >
< td > < p > text to show above frequency table, at default to tries to coerce from the variables passed to < code > x< / code > < / p > < / td >
< / tr >
< tr >
< th > na< / th >
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< td > < p > a character string that should be used to show empty (< code > NA< / code > ) values (only useful when < code > na.rm = FALSE< / code > )< / p > < / td >
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< / tr >
< tr >
< th > droplevels< / th >
< td > < p > a logical value indicating whether in factors empty levels should be dropped< / p > < / td >
< / tr >
< tr >
< th > sep< / th >
< td > < p > a character string to separate the terms when selecting multiple columns< / p > < / td >
< / tr >
< tr >
< th > decimal.mark< / th >
< td > < p > <!-- % -->
used for prettying (longish) numerical and complex sequences.
Passed to < code > < a href = 'https://www.rdocumentation.org/packages/base/topics/formatc' > prettyNum< / a > < / code > : that help page explains the details.< / p > < / td >
< / tr >
< tr >
< th > big.mark< / th >
< td > < p > <!-- % -->
used for prettying (longish) numerical and complex sequences.
Passed to < code > < a href = 'https://www.rdocumentation.org/packages/base/topics/formatc' > prettyNum< / a > < / code > : that help page explains the details.< / p > < / td >
< / tr >
< tr >
< th > f< / th >
< td > < p > a frequency table< / p > < / td >
< / tr >
< tr >
< th > n< / th >
< td > < p > number of top < em > n< / em > items to return, use -n for the bottom < em > n< / em > items. It will include more than < code > n< / code > rows if there are ties.< / p > < / td >
< / tr >
< tr >
< th > property< / th >
< td > < p > property in header to return this value directly< / p > < / td >
< / tr >
< / table >
< h2 class = "hasAnchor" id = "value" > < a class = "anchor" href = "#value" > < / a > Value< / h2 >
< p > A < code > data.frame< / code > (with an additional class < code > "frequency_tbl"< / code > ) with five columns: < code > item< / code > , < code > count< / code > , < code > percent< / code > , < code > cum_count< / code > and < code > cum_percent< / code > .< / p >
< h2 class = "hasAnchor" id = "details" > < a class = "anchor" href = "#details" > < / a > Details< / h2 >
< p > Frequency tables (or frequency distributions) are summaries of the distribution of values in a sample. With the `freq` function, you can create univariate frequency tables. Multiple variables will be pasted into one variable, so it forces a univariate distribution. This package also has a vignette available to explain the use of this function further, run < code > < a href = 'https://www.rdocumentation.org/packages/utils/topics/browseVignettes' > browseVignettes("AMR")< / a > < / code > to read it.< / p >
< p > For numeric values of any class, these additional values will all be calculated with < code > na.rm = TRUE< / code > and shown into the header:< / p > < ul >
< li > < p > Mean, using < code > < a href = 'https://www.rdocumentation.org/packages/base/topics/mean' > mean< / a > < / code > < / p > < / li >
< li > < p > Standard Deviation, using < code > < a href = 'https://www.rdocumentation.org/packages/stats/topics/sd' > sd< / a > < / code > < / p > < / li >
< li > < p > Coefficient of Variation (CV), the standard deviation divided by the mean< / p > < / li >
< li > < p > Mean Absolute Deviation (MAD), using < code > < a href = 'https://www.rdocumentation.org/packages/stats/topics/mad' > mad< / a > < / code > < / p > < / li >
< li > < p > Tukey Five-Number Summaries (minimum, Q1, median, Q3, maximum), using < code > < a href = 'https://www.rdocumentation.org/packages/stats/topics/fivenum' > fivenum< / a > < / code > < / p > < / li >
< li > < p > Interquartile Range (IQR) calculated as < code > Q3 - Q1< / code > using the Tukey Five-Number Summaries, i.e. < strong > not< / strong > using the < code > < a href = 'https://www.rdocumentation.org/packages/stats/topics/quantile' > quantile< / a > < / code > function< / p > < / li >
< li > < p > Coefficient of Quartile Variation (CQV, sometimes called coefficient of dispersion), calculated as < code > (Q3 - Q1) / (Q3 + Q1)< / code > using the Tukey Five-Number Summaries< / p > < / li >
< li > < p > Outliers (total count and unique count), using < code > < a href = 'https://www.rdocumentation.org/packages/grDevices/topics/boxplot.stats' > boxplot.stats< / a > < / code > < / p > < / li >
< / ul >
< p > For dates and times of any class, these additional values will be calculated with < code > na.rm = TRUE< / code > and shown into the header:< / p > < ul >
< li > < p > Oldest, using < code > < a href = 'https://www.rdocumentation.org/packages/base/topics/Extremes' > min< / a > < / code > < / p > < / li >
< li > < p > Newest, using < code > < a href = 'https://www.rdocumentation.org/packages/base/topics/Extremes' > max< / a > < / code > , with difference between newest and oldest< / p > < / li >
< li > < p > Median, using < code > < a href = 'https://www.rdocumentation.org/packages/stats/topics/median' > median< / a > < / code > , with percentage since oldest< / p > < / li >
< / ul >
< p > In factors, all factor levels that are not existing in the input data will be dropped.< / p >
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< p > The function < code > top_freq< / code > uses < code > < a href = 'https://dplyr.tidyverse.org/reference/top_n.html' > top_n< / a > < / code > internally and will include more than < code > n< / code > rows if there are ties.< / p >
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< h2 class = "hasAnchor" id = "read-more-on-our-website-" > < a class = "anchor" href = "#read-more-on-our-website-" > < / a > Read more on our website!< / h2 >
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< p > On our website < a href = 'https://msberends.gitlab.io/AMR' > https://msberends.gitlab.io/AMR< / a > you can find < a href = 'https://msberends.gitlab.io/AMR/articles/AMR.html' > a comprehensive tutorial< / a > about how to conduct AMR analysis, the < a href = 'https://msberends.gitlab.io/AMR/reference' > complete documentation of all functions< / a > (which reads a lot easier than here in R) and < a href = 'https://msberends.gitlab.io/AMR/articles/WHONET.html' > an example analysis using WHONET data< / a > .< / p >
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< h2 class = "hasAnchor" id = "examples" > < a class = "anchor" href = "#examples" > < / a > Examples< / h2 >
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< pre class = "examples" > < span class = 'co' > # NOT RUN {< / span >
< span class = 'fu' > < a href = 'https://www.rdocumentation.org/packages/base/topics/library' > library< / a > < / span > (< span class = 'no' > dplyr< / span > )
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< span class = 'co' > # this all gives the same result:< / span >
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< span class = 'fu' > freq< / span > (< span class = 'no' > septic_patients< / span > $< span class = 'no' > hospital_id< / span > )
< span class = 'fu' > freq< / span > (< span class = 'no' > septic_patients< / span > [, < span class = 'st' > "hospital_id"< / span > ])
< span class = 'no' > septic_patients< / span > $< span class = 'no' > hospital_id< / span > < span class = 'kw' > %> %< / span > < span class = 'fu' > freq< / span > ()
< span class = 'no' > septic_patients< / span > [, < span class = 'st' > "hospital_id"< / span > ] < span class = 'kw' > %> %< / span > < span class = 'fu' > freq< / span > ()
< span class = 'no' > septic_patients< / span > < span class = 'kw' > %> %< / span > < span class = 'fu' > freq< / span > (< span class = 'st' > "hospital_id"< / span > )
< span class = 'no' > septic_patients< / span > < span class = 'kw' > %> %< / span > < span class = 'fu' > freq< / span > (< span class = 'no' > hospital_id< / span > ) < span class = 'co' > #< - easiest to remember (tidyverse)< / span >
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< span class = 'co' > # you could also use `select` or `pull` to get your variables< / span >
< span class = 'no' > septic_patients< / span > < span class = 'kw' > %> %< / span >
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< span class = 'fu' > < a href = 'https://dplyr.tidyverse.org/reference/filter.html' > filter< / a > < / span > (< span class = 'no' > hospital_id< / span > < span class = 'kw' > ==< / span > < span class = 'st' > "A"< / span > ) < span class = 'kw' > %> %< / span >
< span class = 'fu' > < a href = 'https://dplyr.tidyverse.org/reference/select.html' > select< / a > < / span > (< span class = 'no' > mo< / span > ) < span class = 'kw' > %> %< / span >
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< span class = 'fu' > freq< / span > ()
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< span class = 'co' > # multiple selected variables will be pasted together< / span >
< span class = 'no' > septic_patients< / span > < span class = 'kw' > %> %< / span >
< span class = 'no' > left_join_microorganisms< / span > < span class = 'kw' > %> %< / span >
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< span class = 'fu' > freq< / span > (< span class = 'no' > genus< / span > , < span class = 'no' > species< / span > )
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< span class = 'co' > # functions as quasiquotation are also supported< / span >
< span class = 'no' > septic_patients< / span > < span class = 'kw' > %> %< / span >
< span class = 'fu' > freq< / span > (< span class = 'fu' > < a href = 'mo_property.html' > mo_genus< / a > < / span > (< span class = 'no' > mo< / span > ), < span class = 'fu' > < a href = 'mo_property.html' > mo_species< / a > < / span > (< span class = 'no' > mo< / span > ))
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< span class = 'co' > # group a variable and analyse another< / span >
< span class = 'no' > septic_patients< / span > < span class = 'kw' > %> %< / span >
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< span class = 'fu' > < a href = 'https://dplyr.tidyverse.org/reference/group_by.html' > group_by< / a > < / span > (< span class = 'no' > hospital_id< / span > ) < span class = 'kw' > %> %< / span >
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< span class = 'fu' > freq< / span > (< span class = 'no' > gender< / span > )
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< span class = 'co' > # get top 10 bugs of hospital A as a vector< / span >
< span class = 'no' > septic_patients< / span > < span class = 'kw' > %> %< / span >
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< span class = 'fu' > < a href = 'https://dplyr.tidyverse.org/reference/filter.html' > filter< / a > < / span > (< span class = 'no' > hospital_id< / span > < span class = 'kw' > ==< / span > < span class = 'st' > "A"< / span > ) < span class = 'kw' > %> %< / span >
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< span class = 'fu' > freq< / span > (< span class = 'no' > mo< / span > ) < span class = 'kw' > %> %< / span >
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< span class = 'fu' > top_freq< / span > (< span class = 'fl' > 10< / span > )
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< span class = 'co' > # save frequency table to an object< / span >
< span class = 'no' > years< / span > < span class = 'kw' > < -< / span > < span class = 'no' > septic_patients< / span > < span class = 'kw' > %> %< / span >
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< span class = 'fu' > < a href = 'https://dplyr.tidyverse.org/reference/mutate.html' > mutate< / a > < / span > (< span class = 'kw' > year< / span > < span class = 'kw' > =< / span > < span class = 'fu' > < a href = 'https://www.rdocumentation.org/packages/base/topics/format' > format< / a > < / span > (< span class = 'no' > date< / span > , < span class = 'st' > "%Y"< / span > )) < span class = 'kw' > %> %< / span >
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< span class = 'fu' > freq< / span > (< span class = 'no' > year< / span > )
< span class = 'co' > # show only the top 5< / span >
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< span class = 'no' > years< / span > < span class = 'kw' > %> %< / span > < span class = 'fu' > < a href = 'https://www.rdocumentation.org/packages/base/topics/print' > print< / a > < / span > (< span class = 'kw' > nmax< / span > < span class = 'kw' > =< / span > < span class = 'fl' > 5< / span > )
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< span class = 'co' > # save to an object with formatted percentages< / span >
< span class = 'no' > years< / span > < span class = 'kw' > < -< / span > < span class = 'fu' > < a href = 'https://www.rdocumentation.org/packages/base/topics/format' > format< / a > < / span > (< span class = 'no' > years< / span > )
< span class = 'co' > # print a histogram of numeric values< / span >
< span class = 'no' > septic_patients< / span > < span class = 'kw' > %> %< / span >
< span class = 'fu' > freq< / span > (< span class = 'no' > age< / span > ) < span class = 'kw' > %> %< / span >
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< span class = 'fu' > < a href = 'https://www.rdocumentation.org/packages/graphics/topics/hist' > hist< / a > < / span > ()
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< span class = 'co' > # or print all points to a regular plot< / span >
< span class = 'no' > septic_patients< / span > < span class = 'kw' > %> %< / span >
< span class = 'fu' > freq< / span > (< span class = 'no' > age< / span > ) < span class = 'kw' > %> %< / span >
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< span class = 'fu' > < a href = 'https://www.rdocumentation.org/packages/graphics/topics/plot' > plot< / a > < / span > ()
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< span class = 'co' > # transform to a data.frame or tibble< / span >
< span class = 'no' > septic_patients< / span > < span class = 'kw' > %> %< / span >
< span class = 'fu' > freq< / span > (< span class = 'no' > age< / span > ) < span class = 'kw' > %> %< / span >
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< span class = 'fu' > < a href = 'https://www.rdocumentation.org/packages/base/topics/as.data.frame' > as.data.frame< / a > < / span > ()
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< span class = 'co' > # or transform (back) to a vector< / span >
< span class = 'no' > septic_patients< / span > < span class = 'kw' > %> %< / span >
< span class = 'fu' > freq< / span > (< span class = 'no' > age< / span > ) < span class = 'kw' > %> %< / span >
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< span class = 'fu' > < a href = 'https://www.rdocumentation.org/packages/base/topics/vector' > as.vector< / a > < / span > ()
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< span class = 'fu' > < a href = 'https://www.rdocumentation.org/packages/base/topics/identical' > identical< / a > < / span > (< span class = 'no' > septic_patients< / span > < span class = 'kw' > %> %< / span >
< span class = 'fu' > freq< / span > (< span class = 'no' > age< / span > ) < span class = 'kw' > %> %< / span >
< span class = 'fu' > < a href = 'https://www.rdocumentation.org/packages/base/topics/vector' > as.vector< / a > < / span > () < span class = 'kw' > %> %< / span >
< span class = 'fu' > < a href = 'https://www.rdocumentation.org/packages/base/topics/sort' > sort< / a > < / span > (),
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< span class = 'fu' > < a href = 'https://www.rdocumentation.org/packages/base/topics/sort' > sort< / a > < / span > (< span class = 'no' > septic_patients< / span > $< span class = 'no' > age< / span > )) < span class = 'co' > # TRUE< / span >
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< span class = 'co' > # it also supports `table` objects< / span >
< span class = 'fu' > < a href = 'https://www.rdocumentation.org/packages/base/topics/table' > table< / a > < / span > (< span class = 'no' > septic_patients< / span > $< span class = 'no' > gender< / span > ,
< span class = 'no' > septic_patients< / span > $< span class = 'no' > age< / span > ) < span class = 'kw' > %> %< / span >
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< span class = 'fu' > freq< / span > (< span class = 'kw' > sep< / span > < span class = 'kw' > =< / span > < span class = 'st' > " **sep** "< / span > )
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< span class = 'co' > # only get selected columns< / span >
< span class = 'no' > septic_patients< / span > < span class = 'kw' > %> %< / span >
< span class = 'fu' > freq< / span > (< span class = 'no' > hospital_id< / span > ) < span class = 'kw' > %> %< / span >
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< span class = 'fu' > < a href = 'https://dplyr.tidyverse.org/reference/select.html' > select< / a > < / span > (< span class = 'no' > item< / span > , < span class = 'no' > percent< / span > )
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< span class = 'no' > septic_patients< / span > < span class = 'kw' > %> %< / span >
< span class = 'fu' > freq< / span > (< span class = 'no' > hospital_id< / span > ) < span class = 'kw' > %> %< / span >
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< span class = 'fu' > < a href = 'https://dplyr.tidyverse.org/reference/select.html' > select< / a > < / span > (-< span class = 'no' > count< / span > , -< span class = 'no' > cum_count< / span > )
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< span class = 'co' > # check differences between frequency tables< / span >
< span class = 'fu' > < a href = 'https://www.rdocumentation.org/packages/base/topics/diff' > diff< / a > < / span > (< span class = 'fu' > freq< / span > (< span class = 'no' > septic_patients< / span > $< span class = 'no' > trim< / span > ),
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< span class = 'fu' > freq< / span > (< span class = 'no' > septic_patients< / span > $< span class = 'no' > trsu< / span > ))
< span class = 'co' > # }< / span > < / pre >
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< li > < a href = "#arguments" > Arguments< / a > < / li >
< li > < a href = "#value" > Value< / a > < / li >
< li > < a href = "#details" > Details< / a > < / li >
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< li > < a href = "#read-more-on-our-website-" > Read more on our website!< / a > < / li >
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