डेटा को विभाजित करें

# Load caret
___

# Set seed of 567
___

# Store row numbers for training dataset: index_train
index_train <- ___(emp_final$turnover, p = ___, list = FALSE)

# Create training dataset: train_set
train_set <- emp_final[___, ]

# Create testing dataset: test_set
test_set <- emp_final[___, ]