This function sums up specified columns row-wise in a dataframe, with options for imputation of missing values and weighted calculations.
Usage
sum_vars(
df,
vars,
new_colname,
imputation = "none",
na_rm = FALSE,
weight = "weight",
value = 0,
group = NULL
)Arguments
- df
A dataframe containing the columns to be summed.
- vars
A character vector of the columns to sum.
- new_colname
A character vector of the new column name.
- imputation
The imputation method, either none (default), value, median or weighted median.
- na_rm
A boolean indicating whether to remove missing values when summing across columns.
- weight
The weight variable to calculate weighted means or medians.
- value
The value to replace missing values with if imputation is "value".
- group
A character vector of the grouping variables.