Challenge No. 193: Separate sales into weekday sales (Mon-Fri) and weekend sales (Sat-Sun).
Solved using:Excel (DAY, FILTER, GROUPBY), Google Sheets, Power Query (Table.Group, Date.DayOfWeek, Table.AddColumn), Python, Python in Excel, and R.
VSTACK
Stacks arrays vertically into a single column in Excel.
Column Splitting! Part 5
Challenge No. 191: If an ID contains multiple separators (like -, _, .
Solved using:Excel (HSTACK, LAMBDA, LEN), Google Sheets, Power Query (Text.PositionOf, Table.AddColumn, Table.FromRows), Python, Python in Excel, and R.
Find the first 20 EVEN Fibonacci numbers
Challenge No. 316: A Fibonacci number is a sum of previous two terms starting with 0 & 1.
Solved using: Excel VBA.
Combining Tables
Challenge No. 54: Combine the tables
Repeat Items after every adjustment
Dynamic repeat of items for Every adjustment
Dynamic array function allowed but Extra marks for Legacy solutions or PowerQuery Solution.
Solved using: Python in Excel.
Custom Grouping! Part 17
Challenge No. 187: Group the rows until encountering a missing date.
Solved using:Excel (DROP, GROUPBY, IF), Google Sheets, Power Query (Table.Group, Table.AddColumn, Table.AddIndexColumn), Python, Python in Excel, and R.
Extracting Whole Route
Challenge No. 53: Generate a whole route for the airlines
e.
Solved using: R.
Find the next 3 Friday the 13th dates
Challenge No. 310: Find the next 3 Friday the 13th dates for dates given in column A.
Solved using: Python in Excel.
Print Sine Wave for Amplitudes
Challenge No. 305: Print Sine Wave for Amplitudes given in B2
Example for Amplitudes 2, 3 and 4 are given.
Solved using: Python in Excel.
Generate Output Table from Data
Challenge No. 113: Generate result table from problem table.
Solved using: Python in Excel.
Table Transformation! Part 22
Challenge No. 181: Transform the question structure into the result structure.
Solved using:Excel (DROP, FILTER, HSTACK), Google Sheets, Power Query (List.Alternate, List.Transform, Table.Group), Python in Excel, and R.