##
##
## Cell Contents
## |-------------------------|
## | N |
## | Chi-square contribution |
## | N / Row Total |
## | N / Col Total |
## | N / Table Total |
## |-------------------------|
##
##
## Total Observations in Table: 14999
##
##
## | hr$Work_accident
## hr$left | 0 | 1 | Row Total |
## -------------|-----------|-----------|-----------|
## 0 | 9428 | 2000 | 11428 |
## | 12.346 | 73.029 | |
## | 0.825 | 0.175 | 0.762 |
## | 0.735 | 0.922 | |
## | 0.629 | 0.133 | |
## -------------|-----------|-----------|-----------|
## 1 | 3402 | 169 | 3571 |
## | 39.510 | 233.709 | |
## | 0.953 | 0.047 | 0.238 |
## | 0.265 | 0.078 | |
## | 0.227 | 0.011 | |
## -------------|-----------|-----------|-----------|
## Column Total | 12830 | 2169 | 14999 |
## | 0.855 | 0.145 | |
## -------------|-----------|-----------|-----------|
##
##
## Statistics for All Table Factors
##
##
## Pearson's Chi-squared test
## ------------------------------------------------------------
## Chi^2 = 358.5938 d.f. = 1 p = 5.698673e-80
##
## Pearson's Chi-squared test with Yates' continuity correction
## ------------------------------------------------------------
## Chi^2 = 357.5624 d.f. = 1 p = 9.55824e-80
##
## There is an association between leaving and work accidents, employees with work accidents are less likely to leave.
Employees without a work accident are more that 3 times more likely to leave (0.265 / 0.078)
##
##
## Cell Contents
## |-------------------------|
## | N |
## | Chi-square contribution |
## | N / Row Total |
## | N / Col Total |
## | N / Table Total |
## |-------------------------|
##
##
## Total Observations in Table: 14999
##
##
## | hr$salary
## hr$left | high | low | medium | Row Total |
## -------------|-----------|-----------|-----------|-----------|
## 0 | 1155 | 5144 | 5129 | 11428 |
## | 47.915 | 33.200 | 9.648 | |
## | 0.101 | 0.450 | 0.449 | 0.762 |
## | 0.934 | 0.703 | 0.796 | |
## | 0.077 | 0.343 | 0.342 | |
## -------------|-----------|-----------|-----------|-----------|
## 1 | 82 | 2172 | 1317 | 3571 |
## | 153.339 | 106.247 | 30.876 | |
## | 0.023 | 0.608 | 0.369 | 0.238 |
## | 0.066 | 0.297 | 0.204 | |
## | 0.005 | 0.145 | 0.088 | |
## -------------|-----------|-----------|-----------|-----------|
## Column Total | 1237 | 7316 | 6446 | 14999 |
## | 0.082 | 0.488 | 0.430 | |
## -------------|-----------|-----------|-----------|-----------|
##
##
## Statistics for All Table Factors
##
##
## Pearson's Chi-squared test
## ------------------------------------------------------------
## Chi^2 = 381.225 d.f. = 2 p = 1.652087e-83
##
##
## P-value < 0.01, we reject the Ho and conclude that there is an association between salary level and leaving the company where employess with high salaries are less likely to leave the company.
Employees with a low salary are more than 4 times more likely to leave (0.297/0.066)
##
##
## Cell Contents
## |-------------------------|
## | N |
## | Chi-square contribution |
## | N / Row Total |
## | N / Col Total |
## | N / Table Total |
## |-------------------------|
##
##
## Total Observations in Table: 14999
##
##
## | hr$Department
## hr$left | accounting | hr | IT | management | marketing | product_mng | RandD | sales | support | technical | Row Total |
## -------------|-------------|-------------|-------------|-------------|-------------|-------------|-------------|-------------|-------------|-------------|-------------|
## 0 | 563 | 524 | 954 | 539 | 655 | 704 | 666 | 3126 | 1674 | 2023 | 11428 |
## | 0.783 | 2.709 | 0.391 | 7.250 | 0.002 | 0.408 | 7.346 | 0.255 | 0.348 | 1.178 | |
## | 0.049 | 0.046 | 0.083 | 0.047 | 0.057 | 0.062 | 0.058 | 0.274 | 0.146 | 0.177 | 0.762 |
## | 0.734 | 0.709 | 0.778 | 0.856 | 0.763 | 0.780 | 0.846 | 0.755 | 0.751 | 0.744 | |
## | 0.038 | 0.035 | 0.064 | 0.036 | 0.044 | 0.047 | 0.044 | 0.208 | 0.112 | 0.135 | |
## -------------|-------------|-------------|-------------|-------------|-------------|-------------|-------------|-------------|-------------|-------------|-------------|
## 1 | 204 | 215 | 273 | 91 | 203 | 198 | 121 | 1014 | 555 | 697 | 3571 |
## | 2.506 | 8.670 | 1.252 | 23.202 | 0.008 | 1.307 | 23.510 | 0.815 | 1.114 | 3.771 | |
## | 0.057 | 0.060 | 0.076 | 0.025 | 0.057 | 0.055 | 0.034 | 0.284 | 0.155 | 0.195 | 0.238 |
## | 0.266 | 0.291 | 0.222 | 0.144 | 0.237 | 0.220 | 0.154 | 0.245 | 0.249 | 0.256 | |
## | 0.014 | 0.014 | 0.018 | 0.006 | 0.014 | 0.013 | 0.008 | 0.068 | 0.037 | 0.046 | |
## -------------|-------------|-------------|-------------|-------------|-------------|-------------|-------------|-------------|-------------|-------------|-------------|
## Column Total | 767 | 739 | 1227 | 630 | 858 | 902 | 787 | 4140 | 2229 | 2720 | 14999 |
## | 0.051 | 0.049 | 0.082 | 0.042 | 0.057 | 0.060 | 0.052 | 0.276 | 0.149 | 0.181 | |
## -------------|-------------|-------------|-------------|-------------|-------------|-------------|-------------|-------------|-------------|-------------|-------------|
##
##
## Statistics for All Table Factors
##
##
## Pearson's Chi-squared test
## ------------------------------------------------------------
## Chi^2 = 86.82547 d.f. = 9 p = 7.04213e-15
##
##
## P-value < 0.01, we reject the Ho, there is an association between whether an employee left and their department. Employees in management are slightly less likely to leave the company.
Employees in HR are over 2 times more likely to leave employees than in Management (0.291/0.144).
##
##
## Cell Contents
## |-------------------------|
## | N |
## | Chi-square contribution |
## | N / Row Total |
## | N / Col Total |
## | N / Table Total |
## |-------------------------|
##
##
## Total Observations in Table: 14999
##
##
## | hr$promotion_last_5years
## hr$left | 0 | 1 | Row Total |
## -------------|-----------|-----------|-----------|
## 0 | 11128 | 300 | 11428 |
## | 0.290 | 13.343 | |
## | 0.974 | 0.026 | 0.762 |
## | 0.758 | 0.940 | |
## | 0.742 | 0.020 | |
## -------------|-----------|-----------|-----------|
## 1 | 3552 | 19 | 3571 |
## | 0.928 | 42.702 | |
## | 0.995 | 0.005 | 0.238 |
## | 0.242 | 0.060 | |
## | 0.237 | 0.001 | |
## -------------|-----------|-----------|-----------|
## Column Total | 14680 | 319 | 14999 |
## | 0.979 | 0.021 | |
## -------------|-----------|-----------|-----------|
##
##
## Statistics for All Table Factors
##
##
## Pearson's Chi-squared test
## ------------------------------------------------------------
## Chi^2 = 57.26273 d.f. = 1 p = 3.813123e-14
##
## Pearson's Chi-squared test with Yates' continuity correction
## ------------------------------------------------------------
## Chi^2 = 56.26163 d.f. = 1 p = 6.344155e-14
##
## P-value < 0.01, we reject the Ho, there is an association between leaving the company and receiving a promotion. Employees who receive a promotion are less likely to leave the company.
Employees without a promotion in the last 5 years are over 4 times more likely to leave the company (0.242/0.060).