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Build columns sequentially in `tsibble::tsibble()`

Open 11rchitwood opened this issue 2 years ago • 0 comments

From tibble::tibble()'s documentation:

tibble() builds columns sequentially. When defining a column, you can refer to columns created earlier in the call.

Is it possible to make tsibble() work the same way?

library(tibble)

tibble(
  date = as.Date("2017-01-01") + 0:9,
  value = rnorm(date)
)
#> # A tibble: 10 x 2
#>    date        value
#>    <date>      <dbl>
#>  1 2017-01-01 -0.478
#>  2 2017-01-02  0.894
#>  3 2017-01-03  0.471
#>  4 2017-01-04  1.51 
#>  5 2017-01-05  0.628
#>  6 2017-01-06  1.27 
#>  7 2017-01-07  0.639
#>  8 2017-01-08  0.845
#>  9 2017-01-09 -1.05 
#> 10 2017-01-10 -1.55

library(tsibble)
#> 
#> Attaching package: 'tsibble'
#> The following objects are masked from 'package:base':
#> 
#>     intersect, setdiff, union

tsibble(
  date = as.Date("2017-01-01") + 0:9,
  value = rnorm(date)
)
#> Error in rnorm(date): invalid arguments

Created on 2022-10-14 with reprex v2.0.2

Session info
sessioninfo::session_info()
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#> ------------------------------------------------------------------------------

11rchitwood avatar Oct 14 '22 18:10 11rchitwood