How to Cleanse Raw Data (FULL COURSE)

How to cleanse Raw Data cover image, including running time of 26:57

There are probably far too many scenarios to cover to be able to adequately demonstrate every possible data cleansing technique. However, during this video, we touch upon a number of useful approaches which should help you arrive at more readable and sensibly formatted data sets.

The topics:

  • Data cleaning using the CLEAN and TRIM functions
  • Text substitution using the SUBSTITUTE and REPLACE functions
  • Using the Flash Fill feature
  • Extracting text using the SEARCH, LEFT and MID functions
  • Techniques to remove duplicates
  • Using the Text to Columns command to clean your data
  • Converting dates from an American format
  • Reformatting data which has become offset