Challenges related to Excel formulas.
Challenge No. 59: The power consumption of a house every 30 minutes on different dates is provided in the question table.
Solved using:Excel (CHOOSECOLS, FILTER, HSTACK), Power Query (List.Distinct, List.Skip, List.Split), Python, Python in Excel, and R.
Challenge No. 58: In this challenge, we aim to find an efficient way to calculate the stepped tax based on the tax rates presented in the question table.
Solved using:Excel (LAMBDA, LET, MAP), Power Query (Table.AddColumn), Python, and R.
Challenge No. 56: In Question Table 2, the sequence of machinery based on the process type is presented, and historical machinery data is provided in Question Table 1.
Solved using:Excel, and Power Query.
Challenge No. 55: In the question table, transactions for different products are presented.
Solved using:Excel (FILTER, HSTACK, INDEX), Power Query (List.Distinct, Table.Group, Table.Pivot), Python, and R.
Challenge No. 54: The table presents the actual progress of three projects at the end of each month, but some values are missing.
Solved using:Excel (DATE, DROP, EOMONTH), Power Query (List.Transform, Table.Group, Table.TransformColumnTypes), Python, and R.
Challenge No. 53: The On-Line Encyclopedia of Integer Sequences presents several number sequences based on specific rules.
Solved using:Excel (FILTER, LAMBDA, LEFT), Power Query (List.Transform), Python, and R.
Challenge No. 52: In the Question Table, numbers ranging from 1001 to 1018 are listed.
Solved using:DAX, Excel (COUNTIF, FILTER, IF), Power Query (List.Difference), Python, Python in Excel, R, SQL, and VBA.
Challenge No. 51: In the Question Table, historical sales data are provided.
Solved using:Excel (BYROW, HSTACK, LAMBDA), Power Query (List.Contains, List.ContainsAll, List.Transform), Python, and R.
Challenge No. 50: In the continuation of the previous challenge, we reach the question table as the normalized table, in the rest of the algorithm the below step should be done.
Solved using:Excel (AND, BYCOL, BYROW), Power Query (List.Transform, Table.Column), Python, and R.
Challenge No. 49: Assignment Problem is a well-known problem for assigning tasks to different people by the minimum cost and we want to solve it with The Hungarian method within two challenges.
Solved using:Excel (BYCOL, BYROW, HSTACK), Power Query (List.Skip, List.Transform, Table.Column), Python, and R.
