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Generate New Data [Superseded]

Source: R/new-data.R
new_data.Rd

Generates a new data frame (in the form of a tibble) with each variable held constant or varying as a unique ordered sequence.

Usage

new_data(
  data,
  seq = character(0),
  ref = list(),
  obs_only = list(character(0)),
  length_out = 30
)

Arguments

data

The data frame to generate the new data from.

seq

A character vector of the variables in data to generate sequences for.

ref

[Deprecated] A named list of reference values for variables that are not in seq. Deprecated for xnew_value().

obs_only

[Deprecated] A list of character vectors indicating the sets of variables to only allow observed combinations for. If TRUE then obs_only is set to be seq. Deprecated for xobs_only().

length_out

A count indicating the maximum length of sequences for all types of variables except logical, character, factor and ordered factors.

Value

A tibble of the new data.

Details

Although superseded it is maintained for backwards compatibility with existing code.

The code new_data(data, c("a", "b"), length_out = 30) is effectively a wrapper for xnew_data(data, a, b, .length_out = 30) to allow a string of column names to be passed.

See also

xnew_data().

Examples

new_data(old_data, "int")
#> # A tibble: 6 × 9
#>   lgl     int   dbl chr   fct     ord      dte        dtt                 hms   
#>   <lgl> <int> <dbl> <chr> <fct>   <ord>    <date>     <dttm>              <time>
#> 1 FALSE     1  4.57 most  not obs a rarity 1970-01-04 1969-12-31 16:00:03 00'03"
#> 2 FALSE     2  4.57 most  not obs a rarity 1970-01-04 1969-12-31 16:00:03 00'03"
#> 3 FALSE     3  4.57 most  not obs a rarity 1970-01-04 1969-12-31 16:00:03 00'03"
#> 4 FALSE     4  4.57 most  not obs a rarity 1970-01-04 1969-12-31 16:00:03 00'03"
#> 5 FALSE     5  4.57 most  not obs a rarity 1970-01-04 1969-12-31 16:00:03 00'03"
#> 6 FALSE     6  4.57 most  not obs a rarity 1970-01-04 1969-12-31 16:00:03 00'03"
new_data(old_data, "dbl")
#> # A tibble: 30 × 9
#>    lgl     int   dbl chr   fct     ord     dte        dtt                 hms   
#>    <lgl> <int> <dbl> <chr> <fct>   <ord>   <date>     <dttm>              <time>
#>  1 FALSE     3  1    most  not obs a rari… 1970-01-04 1969-12-31 16:00:03 00'03"
#>  2 FALSE     3  1.25 most  not obs a rari… 1970-01-04 1969-12-31 16:00:03 00'03"
#>  3 FALSE     3  1.50 most  not obs a rari… 1970-01-04 1969-12-31 16:00:03 00'03"
#>  4 FALSE     3  1.74 most  not obs a rari… 1970-01-04 1969-12-31 16:00:03 00'03"
#>  5 FALSE     3  1.99 most  not obs a rari… 1970-01-04 1969-12-31 16:00:03 00'03"
#>  6 FALSE     3  2.24 most  not obs a rari… 1970-01-04 1969-12-31 16:00:03 00'03"
#>  7 FALSE     3  2.49 most  not obs a rari… 1970-01-04 1969-12-31 16:00:03 00'03"
#>  8 FALSE     3  2.74 most  not obs a rari… 1970-01-04 1969-12-31 16:00:03 00'03"
#>  9 FALSE     3  2.99 most  not obs a rari… 1970-01-04 1969-12-31 16:00:03 00'03"
#> 10 FALSE     3  3.23 most  not obs a rari… 1970-01-04 1969-12-31 16:00:03 00'03"
#> # ℹ 20 more rows
new_data(old_data, c("int", "dbl"))
#> # A tibble: 180 × 9
#>    lgl     int   dbl chr   fct     ord     dte        dtt                 hms   
#>    <lgl> <int> <dbl> <chr> <fct>   <ord>   <date>     <dttm>              <time>
#>  1 FALSE     1  1    most  not obs a rari… 1970-01-04 1969-12-31 16:00:03 00'03"
#>  2 FALSE     2  1    most  not obs a rari… 1970-01-04 1969-12-31 16:00:03 00'03"
#>  3 FALSE     3  1    most  not obs a rari… 1970-01-04 1969-12-31 16:00:03 00'03"
#>  4 FALSE     4  1    most  not obs a rari… 1970-01-04 1969-12-31 16:00:03 00'03"
#>  5 FALSE     5  1    most  not obs a rari… 1970-01-04 1969-12-31 16:00:03 00'03"
#>  6 FALSE     6  1    most  not obs a rari… 1970-01-04 1969-12-31 16:00:03 00'03"
#>  7 FALSE     1  1.25 most  not obs a rari… 1970-01-04 1969-12-31 16:00:03 00'03"
#>  8 FALSE     2  1.25 most  not obs a rari… 1970-01-04 1969-12-31 16:00:03 00'03"
#>  9 FALSE     3  1.25 most  not obs a rari… 1970-01-04 1969-12-31 16:00:03 00'03"
#> 10 FALSE     4  1.25 most  not obs a rari… 1970-01-04 1969-12-31 16:00:03 00'03"
#> # ℹ 170 more rows