Compute col squared cosines

Return col squared cosines for each correspondence component

Usage

ca_col_cos2(col_coords, X)

ca_col_sup_cos2(col_coords, X_sup, X)

Arguments

col_coords

col coordinates

X

active dataset

X_sup

supplementary dataset

Examples

library(FactoMineR2)

X_scaled <- mtcars[, c(2, 8:11)] |>
  ca_standardize()

X_scaled |>
  ca_weighted_eigen() |>
  ca_col_coords() |>
  ca_col_cos2(X_scaled) |>
  head()
#>          Dim.1       Dim.2       Dim.3       Dim.4        Dim.5
#> cyl  0.5573995 0.281626699 0.148219312 0.012754513 1.152314e-31
#> vs   0.7286036 0.197961246 0.064986732 0.008448429 3.433568e-33
#> am   0.5215476 0.395237747 0.071406821 0.011807882 3.825901e-33
#> gear 0.8594986 0.004186812 0.002279625 0.134034951 1.058014e-31
#> carb 0.3459657 0.355922534 0.295535197 0.002576601 4.256951e-32