df_label_both | R Documentation |
Functions to label data frame rows by one or multiple grouping variables.
df_label_both(data, ..., vars = NULL, label_col = "label", sep = c(", ", ":")) df_label_value(data, ..., vars = NULL, label_col = "label", sep = ", ")
data |
a data frame |
... |
One or more unquoted expressions (or variable names) separated by commas. Used as grouping variables. |
vars |
a character vector containing the grouping variables of interest. |
label_col |
column to hold the label of the data subsets. Default column name is "label". |
sep |
String separating labelling variables and values. Should be of
length 2 in the function |
a modified data frame with a column containing row labels.
df_label_both()
: Displays both the variable name and the factor value.
df_label_value()
: Displays only the value of a factor.
# Data preparation df <- head(ToothGrowth) # Labelling: Non standard evaluation df %>% df_label_both(dose, supp) # Standard evaluation df %>% df_label_both(dose, supp) # Nesting the data then label each subset by groups ToothGrowth %>% df_nest_by(dose, supp) %>% df_label_both(supp, dose)
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