Cleaning data

Data set used - mental health in IT, available on Kaggle

Data can be messy. The data set above for example had a 'Gender' field which contained many variations on male and female, for example: Male, male, M, m, man, F, f, Female and so on. The first thing I wanted to do was set all values to either male or female. One way to do this is with the following code:

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