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.
TEXTSPLIT
Splits a text string into an array based on delimiters in Excel.
Connected People!
Challenge No. 37: In the question table, the IDs of 20 people who call each other are provided.
Solved using:Excel (FILTER, HSTACK, LAMBDA), Power Query (List.Transform, Text.Combine), Python, and R.
Cluster Values!
Challenge No. 28: In the question table, the ID of rows from the main table (not shown in this example) that are nearly identical are provided in the same cell.
Solved using:Excel (DROP, FILTER, HSTACK), Power Query (List.Transform), Python, and R.
Extract Numbers!
Challenge No. 27: Extract all the numbers written in parentheses in each row.
Solved using:Excel (DROP, IFERROR, IFNA), Power Query (List.Transform, Text.BetweenDelimiters, Table.AddColumn), Python, and R.
