`covariance`

computes the covariance matrix and vectorize it.

covariance(population, variables)

population | tbl with grouping (metadata) and observation variables. |
---|---|

variables | character vector specifying observation variables. |

data frame of 1 row comprising vectorized covariance matrix.

population <- tibble::tibble( x = rnorm(30), y = rnorm(30), z = rnorm(30) ) variables <- c("x", "y") covariance(population, variables)#> x__x y__x y__y #> 1 0.9379415 0.3075673 0.907543