expand() generates all combination of variables found in a dataset. It is paired with nesting() and crossing() helpers.

Returns a tibble, not a data frame. Never converts strings to factors. Does not add any additional attributes. Can expand any generalised vector, including data ...

Description. expand() is often useful in conjunction with left_join if you want to convert implicit missing values to explicit missing values.

24 янв. 2021 г. · The expand() function creates a tibble from combinations of input values. In a simple incantation, we can expand on a single variable ...

Description. expand() is often useful in conjunction with left_join if you want to convert implicit missing values to explicit missing values.

Expand data frame to include all possible combinations of values #' #' @description #' `expand()` generates all combination of variables found in a dataset.

25 мая 2018 г. · I'm looking for a slightly different behavior, where all the values are in a single column and the combinations are to be taken across groups. expand a data frame in R How to use tidyr::crossing function Expand each row with specific value in tidyr Non-standard Evaluation using tidyr::expand Другие результаты с сайта stackoverflow.com

expand() generates all combination of variables found in a dataset. It is paired with nesting() and crossing() helpers.

Expand data frame to include all possible combinations of values. ... This is a method for the tidyr expand() generic. It is translated to data.table::CJ() .

Returns a tibble, not a data frame. Never converts strings to factors. Does not add any additional attributes. Can expand any generalised vector, including data ...