Grouping dates is an important part of data analysis. Suppose you have inventory data for a year or a month. You would need to group the data by months or weeks to calculate the turnover and ...
By grouping the pivot table by week, we can get weekly summaries of our data. If you have some sales data and you want to know the progress of the sales representatives, you would group the weekly ...
In a company, there could be a lot of data for multiple years. To understand the trends for different months and forecast sales, we need to group the data by month. It also helps create summaries, ...