boot.md
In rsample: General Resampling Infrastructure

grouping -- strata

Code
  sizes4
Output
  # A tibble: 5 x 5
    analysis assessment     n     p id        
       <int>      <int> <int> <int> <chr>     
  1    49669      18552 50000     3 Bootstrap1
  2    49943      17429 50000     3 Bootstrap2
  3    50133      16350 50000     3 Bootstrap3
  4    50314      18071 50000     3 Bootstrap4
  5    50253      17830 50000     3 Bootstrap5

bad args

Code
  group_bootstraps(warpbreaks, tension)
Condition
  Warning in `group_bootstraps()`:
  Some assessment sets contained zero rows.
  i Consider using a non-grouped resampling method.
Output
  # Group bootstrap sampling 
  # A tibble: 25 x 2
     splits          id         
     <list>          <chr>      
   1 <split [54/18]> Bootstrap01
   2 <split [54/36]> Bootstrap02
   3 <split [54/18]> Bootstrap03
   4 <split [54/18]> Bootstrap04
   5 <split [54/36]> Bootstrap05
   6 <split [54/18]> Bootstrap06
   7 <split [54/18]> Bootstrap07
   8 <split [54/18]> Bootstrap08
   9 <split [54/18]> Bootstrap09
  10 <split [54/18]> Bootstrap10
  # i 15 more rows

Code
  bootstraps(mtcars[2, ])
Condition
  Warning in `bootstraps()`:
  Some assessment sets contained zero rows.
Output
  # Bootstrap sampling 
  # A tibble: 25 x 2
     splits        id         
     <list>        <chr>      
   1 <split [1/0]> Bootstrap01
   2 <split [1/0]> Bootstrap02
   3 <split [1/0]> Bootstrap03
   4 <split [1/0]> Bootstrap04
   5 <split [1/0]> Bootstrap05
   6 <split [1/0]> Bootstrap06
   7 <split [1/0]> Bootstrap07
   8 <split [1/0]> Bootstrap08
   9 <split [1/0]> Bootstrap09
  10 <split [1/0]> Bootstrap10
  # i 15 more rows

printing

Code
  set.seed(11)
  bootstraps(warpbreaks)
Output
  # Bootstrap sampling 
  # A tibble: 25 x 2
     splits          id         
     <list>          <chr>      
   1 <split [54/20]> Bootstrap01
   2 <split [54/22]> Bootstrap02
   3 <split [54/17]> Bootstrap03
   4 <split [54/22]> Bootstrap04
   5 <split [54/17]> Bootstrap05
   6 <split [54/19]> Bootstrap06
   7 <split [54/18]> Bootstrap07
   8 <split [54/17]> Bootstrap08
   9 <split [54/23]> Bootstrap09
  10 <split [54/22]> Bootstrap10
  # i 15 more rows