Dealing with missing values in the data
A common issue data analysts need to deal with is missing values. There are really two issues to deal with: To treat or not to treat the...
Data extraction
This posting focuses on the very first step that precedes any analysis of data and on the unique challenges it introduces. Data...
Data cleansing
Data is the key to every statistical analysis. Data cleansing involves removing errors and inconsistencies from data to improve its...