Returns the length of a text string in Excel.
Challenge No. 40: In online markets, when customers add items to their carts, other products, known as complementary products, which are often purchased with the selected items, are suggested to boost sales.
Solved using:Excel (ARRAYTOTEXT, FILTER, HSTACK), Power Query (List.Transform, Text.Split, Table.AddColumn), and R.
Challenge No. 20: The question table provides information about products, which are organized into three levels based on the length of their codes, and we want to transform this table into the result table wich each level is displayed in separate columns.
Solved using:Excel (FILTER, HSTACK, LEFT), Power Query (List.Transform), Python, and R.
Challenge No. 3: Extract all possible combinations of ID and result in the right-side table.
Solved using:Excel (BYROW, COUNTA, DROP), Power Query (List.Transform), Python, and Python in Excel.
