#1. Is there an association between leaving the company and having a work accident?
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##
## Cell Contents
## |-------------------------|
## | N |
## | Chi-square contribution |
## | N / Row Total |
## | N / Col Total |
## | N / Table Total |
## |-------------------------|
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## Total Observations in Table: 14999
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##
## | 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 | |
## -------------|-----------|-----------|-----------|
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## Statistics for All Table Factors
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## Pearson's Chi-squared test
## ------------------------------------------------------------
## Chi^2 = 358.5938 d.f. = 1 p = 5.698673e-80
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## Pearson's Chi-squared test with Yates' continuity correction
## ------------------------------------------------------------
## Chi^2 = 357.5624 d.f. = 1 p = 9.55824e-80
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## There is an association between leaving the company and having a work accident. Employees that did not have a work accident are more than 3 times more likely to leave then those that did (.265 / .078 = 3.38) Relative Risk
#2. Is there an association between leaving the company and getting a promotion in the past 5 years?
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##
## Cell Contents
## |-------------------------|
## | N |
## | Chi-square contribution |
## | N / Row Total |
## | N / Col Total |
## | N / Table Total |
## |-------------------------|
##
##
## Total Observations in Table: 14999
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##
## | 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 | |
## -------------|-----------|-----------|-----------|
##
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## Statistics for All Table Factors
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##
## Pearson's Chi-squared test
## ------------------------------------------------------------
## Chi^2 = 57.26273 d.f. = 1 p = 3.813123e-14
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## Pearson's Chi-squared test with Yates' continuity correction
## ------------------------------------------------------------
## Chi^2 = 56.26163 d.f. = 1 p = 6.344155e-14
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## There is an association between leaving the company and getting a promotion in the past 5 years.Employees that do not get a promotion are 4 times more likely to leave the company.(.242 / .060 = 4) Relative Risk
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##
## Cell Contents
## |-------------------------|
## | N |
## | Chi-square contribution |
## | N / Row Total |
## | N / Col Total |
## | N / Table Total |
## |-------------------------|
##
##
## Total Observations in Table: 14999
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##
## | 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 | |
## -------------|-----------|-----------|-----------|-----------|
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## Statistics for All Table Factors
##
##
## Pearson's Chi-squared test
## ------------------------------------------------------------
## Chi^2 = 381.225 d.f. = 2 p = 1.652087e-83
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## There is an association between leaving the company and salary.Employees that have a low salary are 4.5 times more likely to leave then those that did (.297 / .066 = 4.5) Relative Risk