Add new variables

Source: R/mutate.R

Mimics dplyr::mutate using base R and rlang

b_mutate(.data, ...)

# S3 method for default
b_mutate(.data, ...)

# S3 method for split_df
b_mutate(.data, ...)

Arguments

.data

data.frame
...

Name-value pairs of expressions

Value

data.frame

See also

quotation

Examples

airquality%>%
b_mutate(
    lOzone = log(Ozone),
    Month  = factor(month.abb[Month]),
    cTemp  = round((Temp - 32) * 5/9, 1),
    S.cT   = Solar.R / cTemp
)%>%
head()
#>   Ozone Solar.R Wind Temp Month Day      S.cT cTemp   lOzone
#> 1    41     190  7.4   67   May   1  9.793814  19.4 3.713572
#> 2    36     118  8.0   72   May   2  5.315315  22.2 3.583519
#> 3    12     149 12.6   74   May   3  6.394850  23.3 2.484907
#> 4    18     313 11.5   62   May   4 18.742515  16.7 2.890372
#> 5    NA      NA 14.3   56   May   5        NA  13.3       NA
#> 6    28      NA 14.9   66   May   6        NA  18.9 3.332205