Challenge No. 78: — This week will be FIFA World Cup week.
Solved using: SQL.
TAKE
Returns a specified number of rows or columns from an array in Excel.
Linear Interpolation!
Challenge No. 97: In the question table, the population data for cities A, B, and C are provided for different years.
Solved using:Excel, Google Sheets, Power Query, Python, Python in Excel, and R.
Repeat Winners within 20 Years
Challenge No. 70: — This week will be FIFA World Cup week.
Solved using: SQL.
Last Inventory Level!
Challenge No. 95: In the Question table, monthly inventory levels of products are provided.
Solved using:Excel (BYROW, FILTER, HSTACK), Google Sheets, Power Query (List.RemoveNull, Table.AddColumn, Table.Group), Python, Python in Excel, and R.
Two-Column Text!
Challenge No. 94: In the question table, texts are provided for different groups.
Solved using:Excel (DROP, FILTER, HSTACK), Google Sheets, Power Query (List.Split, List.Transform, Table.ExpandTableColumn), Python, Python in Excel, and R.
Pair Semi-Final Cricket Teams
Challenge No. 62: This challenge is inspired from ongoing T20 Cricket World cup.
Solved using: Power Query.
Random Selection! Part 1
Challenge No. 93: Randomly select a staff member from each department.
Solved using:Excel (FILTER, HSTACK, INDEX), Google Sheets, Power Query (Table.Group), Python, Python in Excel, and R.
Top Three Students Report
Challenge No. 15: (Excel formulas also welcome)
Generate Top 3 students in all subjects.
Solved using: Power Query.
Table Transformation! Part 9
Challenge No. 89: Product sales information is provided in the question table.
Solved using:Excel (COUNTA, FILTER, HSTACK), Power Query (List.Transform, Table.SelectRows, Table.Skip), Python, Python in Excel, and R.
Knn Missing Value!
Challenge No. 86: K-nearest neighbors (KNN) is a simple technique for replacing missing values with the average of the nearest values.
Solved using:Excel, Power Query, and VBA.