Description Usage Arguments See Also Examples
Passes a single table to a function that takes a single data.frame as its argument, and returns a single data.frame.
1 2 3 4 5 6 7 8 9 | ## S3 method for class 'relop_non_sql'
ex_data_table_step(
optree,
...,
tables = list(),
source_usage = NULL,
source_limit = NULL,
env = parent.frame()
)
|
optree |
relop operations tree. |
... |
not used, force later arguments to bind by name. |
tables |
named list map from table names used in nodes to data.tables and data.frames. |
source_usage |
list mapping source table names to vectors of columns used. |
source_limit |
if not null limit all table sources to no more than this many rows (used for debugging). |
env |
environment to work in. |
rq_df_funciton_node
, rq_df_grouped_funciton_node
1 2 3 4 5 6 7 8 9 10 11 12 | set.seed(3252)
d <- data.frame(a = rnorm(1000), b = rnorm(1000))
optree <- local_td(d) %.>%
quantile_node(.)
d %.>% optree
p2 <- local_td(d) %.>%
rsummary_node(.)
d %.>% p2
summary(d)
|
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