table.express (version 0.1.1)

group_by-table.express: Group by clause

Description

Aggregations for a data.table::data.table.

Usage

# S3 method for ExprBuilder
group_by(.data, ...,
  .parse = getOption("table.express.parse", FALSE))

Arguments

.data

An instance of ExprBuilder.

...

Clause for grouping on columns. The by inside the data.table's frame.

.parse

Logical. Whether to apply rlang::parse_expr() to obtain the expressions.

Details

Everything in ... will be wrapped in a call to list.

To see more examples, check the vignette, or the table.express-package entry.

Examples

# NOT RUN {
data("mtcars")

data.table::as.data.table(mtcars) %>%
    start_expr %>%
    group_by(cyl, gear)

# }