Check sum variables

This function checks whether the sum of selected variables are equal to another.

Usage

check_sum_vars(..., df, outcome, digits = 3)

Arguments

...

character vector. This character vector contains the name of the variables of which the sum will be checked.

df

a dataframe.

outcome

character string. Name of variable of the dataframe which should equal the sum of variables mentioned in `...`.

digits

Define the number of digits at which the sum and the `outcome` variables are rounded.

Value

A string.

Examples

# Checking whether health state and adverse event costs of the intervention equal the total discounted costs
check_sum_vars("t_costs_pfs_d_int", "t_costs_pd_d_int", "t_costs_ae_int",
               df = head(df_pa),
               outcome = "t_costs_d_int",
               digits = 0)
#> [1] "Sums of t_costs_pfs_d_int, t_costs_pd_d_int, t_costs_ae_int variables equal t_costs_d_int variabe"