Getting Started with PsychoMatic

PsychoMatic automates common psychometric workflows while keeping the underlying results available as R objects.

library(PsychoMatic)

items <- data.frame(
  item1 = c(1, 2, 3, 4, 5),
  item2 = c(2, 2, 3, 4, 5),
  item3 = c(5, 4, 3, 2, 1)
)

desc_auto(items, language = "eng")
#> Missing values/blank cells = 0
#>    Item Mean   SD Skewness Kurtosis % 1 % 2 % 3 % 4 % 5
#> 1 item1  3.0 1.58     0.00    -1.91  20  20  20  20  20
#> 2 item2  3.2 1.30     0.26    -1.96   0  40  20  20  20
#> 3 item3  3.0 1.58     0.00    -1.91  20  20  20  20  20
cormat(items, type = "pearson")
#>            item1      item2      item3
#> item1  1.0000000  0.9701425 -1.0000000
#> item2  0.9701425  1.0000000 -0.9701425
#> item3 -1.0000000 -0.9701425  1.0000000