YearsCodeS  YearsCodeProS  PreviousSalaryS  ComputerSkillsS
0   -0.768505      -0.644986        -0.324004        -1.375372
1   -0.220669      -0.515082        -0.426556        -0.234501
2    0.108033      -0.385178         0.196606        -0.947545
3   -0.549371      -0.385178        -0.433575        -0.091892
4   -0.549371      -0.904795        -0.579616        -1.232763
         YearsCodeS  YearsCodeProS  PreviousSalaryS  ComputerSkillsS
count  6.726500e+04   6.726500e+04     6.726500e+04     6.726500e+04
mean   4.901387e-17   7.690108e-17    -4.056321e-17    -8.450668e-18
std    1.000007e+00   1.000007e+00     1.000007e+00     1.000007e+00
min   -1.535476e+00  -1.164603e+00    -1.366740e+00    -1.945807e+00
25%   -7.685051e-01  -7.748907e-01    -7.885836e-01    -6.623273e-01
50%   -2.206689e-01  -2.552739e-01    -2.070092e-01    -9.189173e-02
75%    5.463018e-01   3.942471e-01     5.657736e-01     4.785438e-01
max    3.942886e+00   4.291373e+00     3.164148e+00     1.331334e+01

        PC1       PC2       PC3
0 -1.028562 -1.357438  0.306498
1 -0.651167 -0.259434 -0.131018
2 -0.083483 -0.910989  0.374335
3 -0.782174 -0.110941 -0.093256
4 -1.166182 -1.245421  0.071350
                PC1           PC2           PC3
count  6.726500e+04  6.726500e+04  67265.000000
mean   5.070401e-17 -1.014080e-17      0.000000
std    1.473160e+00  1.002010e+00      0.853811
min   -2.401924e+00 -2.104107e+00     -4.080911
25%   -1.116483e+00 -7.091379e-01     -0.544464
50%   -3.483036e-01 -1.297791e-01     -0.135902
75%    7.909193e-01  5.435465e-01      0.456801
max    6.260588e+00  1.342557e+01      3.466914