Returns unique values from a range or array in Excel.
Challenge No. 23: Table 2 displays the monthly production figures (in meters) for various machines, while table 1 present the info realted to the weight of samples produced by different machines in different months.
Solved using:Excel (CHOOSECOLS, HSTACK, LAMBDA), Power Query (Table.AddColumn, Table.Group), and R.
Challenge No. 21: In the question table, a list of machinery codes alongside the potential product codes each machine can produce is presented.
Solved using:Excel (FILTER, HSTACK, LAMBDA), Power Query (Text.Combine, Table.Group, Table.Sort), and R.
Challenge No. 16: Change the format of the data from the question table to that of the result table.
Solved using:Excel, Power Query, and R.
Challenge No. 15: It may seem unreasonable, but the manager has requested that I convert the question table into the result table, ensuring that information for each product is provided in individual rows.
Solved using:Excel, Power Query, and R.
Challenge No. 14: Create a list of products sold in all the months throughout the year.
Solved using:Excel (COUNT, FILTER, LAMBDA), Power Query (Date.Month, List.Distinct, List.Transform), and R.
Challenge No. 11: Extract all item codes that are repeated at least in 3 out of 4 lists presented in the question table.
Solved using:Excel (BYCOL, FILTER, LAMBDA), Power Query (List.Combine, List.Distinct, List.Transform), and R.
Challenge No. 10: The question table shows inventory levels for materials required to produce products, with specific combinations (1 A, 2 B, 3 C per product).
Solved using:Excel (HSTACK, LAMBDA, LET), Power Query (Table.AddColumn, Table.Group), and R.
Challenge No. 9: repetition of a specific pattern!
Identify the longest continuous repetition of the
pattern “+ – -” and “+ -” in the question table for each product.
Solved using:Excel, Power Query, and R.
Challenge No. 8: The Question’s table outlines warehouse transactions with records for Initial value (warehouse product count), Add (purchased and incoming products), and Reduce (sold and outgoing products).
Solved using:Excel, and Power Query.
Challenge No. 5: Determine how frequently products are bought together (same invoice number).
Solved using:Excel, and Power Query.
