Description Usage Arguments Value See Also Examples
View source: R/verbs_for_attributes.R
The function at_mutate
adds or changes attributes to obj
.
The function at_select
selects attributes of obj
, and removes the others.
The function at_rename
renames attributes of obj
.
The function at_slice
chooses a specific attribute and returns it.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | at_mutate(obj, ...)
at_mutate_(obj, ..., .dots)
at_select(obj, ...)
at_select_(obj, ..., .dots)
at_rename(obj, ...)
at_rename_(obj, ..., .dots)
at_slice(obj, at)
at_slice_(obj, at)
|
obj |
An object. |
... |
Comma separated list of unquoted expressions. |
.dots |
Used to work around non-standard evaluation. |
at |
Attribute to be obtained. |
at_slice
returns the attribute chosen.
The other functions return obj
with possibly modified attributes.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 | library(dplyr)
df <- data.frame(x = sample(10, 5, rep = TRUE),
y = sample(10, 5, rep = TRUE)) %>%
at_mutate(example = "yes",
package = "dplyr")
tribe(df)
at_slice(df, names)
at_slice_(df, "class")
at_slice_(df, ~ package)
df <- df %>%
at_mutate_(package = ~ NULL,
example = ~ "no")
tribe(df)
df <- df %>%
at_mutate_(.dots = list(x = ~ 2, y = ~ c(3,4)))
tribe(df)
|
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