Combining HR datasets (I)

It is now time to combine datasets from various sources. Here, you will combine employee ratings with org2 using employee id as the lookup key. The rating dataset contains performance rating for the year 2013.

Performance Rating has the following levels:

Unacceptable
Below Average
Acceptable
Above Average
Excellent

You can use the left_join() function to join two datasets.

For example, left_join(x, y, by = "z") joins y to x. The second dataset you specify is joined to the first dataset using "z" as the lookup key.

本练习是课程的一部分

HR Analytics: Predicting Employee Churn in R

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练习说明

Use glimpse() to view the structure of the rating dataset.
Left join rating to org2 using "emp_id" as the lookup key.
Calculate the turnover rate for each rating level.

交互式实操练习

通过完成这段示例代码来试试这个练习。

# View the structure of rating dataset
___

# Complete the code to join rating to org2 dataset
org3 <- ___(org2, ___, by = "emp_id")

# Calculate rating wise turnover rate
df_rating <- org3 %>% 
  ___(rating) %>% 
  ___(turnover_rating = mean(turnover))

# Check the result
df_rating

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