sampleCovEst() computes the sample covariance matrix. This
function is a simple wrapper around covar().
sampleCovEst(dat)A numeric data.frame, matrix, or similar object.
A matrix corresponding to the estimate of the covariance
matrix.
sampleCovEst(dat = mtcars)
#> mpg cyl disp hp drat wt
#> mpg 36.324103 -9.1723790 -633.09721 -320.732056 2.19506351 -5.1166847
#> cyl -9.172379 3.1895161 199.66028 101.931452 -0.66836694 1.3673710
#> disp -633.097208 199.6602823 15360.79983 6721.158669 -47.06401915 107.6842040
#> hp -320.732056 101.9314516 6721.15867 4700.866935 -16.45110887 44.1926613
#> drat 2.195064 -0.6683669 -47.06402 -16.451109 0.28588135 -0.3727207
#> wt -5.116685 1.3673710 107.68420 44.192661 -0.37272073 0.9573790
#> qsec 4.509149 -1.8868548 -96.05168 -86.770081 0.08714073 -0.3054816
#> vs 2.017137 -0.7298387 -44.37762 -24.987903 0.11864919 -0.2736613
#> am 1.803931 -0.4657258 -36.56401 -8.320565 0.19015121 -0.3381048
#> gear 2.135685 -0.6491935 -50.80262 -6.358871 0.27598790 -0.4210806
#> carb -5.363105 1.5201613 79.06875 83.036290 -0.07840726 0.6757903
#> qsec vs am gear carb
#> mpg 4.50914919 2.01713710 1.80393145 2.1356855 -5.36310484
#> cyl -1.88685484 -0.72983871 -0.46572581 -0.6491935 1.52016129
#> disp -96.05168145 -44.37762097 -36.56401210 -50.8026210 79.06875000
#> hp -86.77008065 -24.98790323 -8.32056452 -6.3588710 83.03629032
#> drat 0.08714073 0.11864919 0.19015121 0.2759879 -0.07840726
#> wt -0.30548161 -0.27366129 -0.33810484 -0.4210806 0.67579032
#> qsec 3.19316613 0.67056452 -0.20495968 -0.2804032 -1.89411290
#> vs 0.67056452 0.25403226 0.04233871 0.0766129 -0.46370968
#> am -0.20495968 0.04233871 0.24899194 0.2923387 0.04637097
#> gear -0.28040323 0.07661290 0.29233871 0.5443548 0.32661290
#> carb -1.89411290 -0.46370968 0.04637097 0.3266129 2.60887097