Data wrangling is used to convert data from an initial format to a format that may be better for analysis.
Handle missing values Correct data formatting Standardize and normalize data
Binning Why binning? Binning is a process of transforming continuous numerical variables into discrete categorical 'bins' for grouped analysis.
Data Normalization Why normalization? Normalization is the process of transforming values of several variables into a similar range. Typical normalizations include scaling the variable so the variable average is 0 scaling the variable so the variance is 1 scaling the variable so the variable values range from 0 to 1
Data Standardization You usually collect data from different agencies in different formats. (Data standardization is also a term for a particular type of data normalization where you subtract the mean and divide by the standard deviation.) What is standardization? Standardization is the process of transforming data into a common format, allowing the researcher to make the meaningful comparison.