n_row {tangram.pipe}

Row counter

Description

Counts the instances of each column variable of the dataframe to be used in a tangram.pipe table (if applicable), and gives an overall row count.

Usage

n_row(
  list_obj,
  col_var = NULL,
  newdata = FALSE,
  missing = NULL,
  overall = NULL
)

Arguments

list_obj

the name of the tbl_start object previously initialized.

col_var

the variable to be used in the table columns. Default is from initialized tbl_start object.

newdata

enter new dataset name if different from that initialized in tbl_start.

missing

logical: if TRUE, missing data in the column variable is considered; FALSE only uses complete cases.

overall

logical: if TRUE, an overall column is included.

Value

A list with the row counts added as a new element to list_obj.

See Also

Other related row-building functions: num_row, cat_row, binary_row, empty_row

Starting a tangram.pipe table: tbl_start

Examples

x <- tbl_start(iris, "Species", missing=TRUE, overall=TRUE, comparison=TRUE) %>%
  n_row()