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Extract vectors on an axis as a data.frame.

Source: R/dataframes.R
get_dataframe.Rd

Returns a data.frame with one column per vector on axis, rows named by the axis entries. When columns is NULL, all vectors defined on axis are included.

Usage

get_dataframe(daf, axis, columns = NULL, cache = TRUE)

Arguments

daf

A DafReader.

axis

Axis name.

columns

Optional character vector of vector names to include. Defaults to all vectors on axis.

cache

Logical; if TRUE (default), the result is memoised in the query cache and served on repeat calls.

Value

A data.frame.

See also

get_dataframe_query(), get_tidy()

Examples

d <- memory_daf()
add_axis(d, "cell", c("c1", "c2"))
set_vector(d, "cell", "donor", c("A", "B"))
get_dataframe(d, "cell")
#>    donor
#> c1     A
#> c2     B