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.
Omid Challenges
Including all the Excel Power BI Power Query Python R challenges designed by Omid.
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.
Calculate Spending Time
Challenge No. 26: The provided question table contains information regarding the amount of time individuals spend in meetings with each other, and we want to generate a result table that displays the percentage of time each person (G3:G7) spends with others (H2:L2), ensuring that the sum of each row equals 100%.
Solved using:Excel (HSTACK, INDEX, LAMBDA), and Power Query (Table.AddColumn).
ABC Inventory Analysis
Challenge No. 25: ABC Inventory Analysis categorizes items into three classes:
A: 20% of items, consuming 80% of the budget.
Solved using:Excel (CHOOSECOLS, HSTACK, LET), Power Query (Table.AddColumn), Python, and R.
Highlight Merged Cells
Challenge No. 24: In Conditional Formatting write a formula to highlight the merged cells.
Solved using:Excel, R, and VBA.
Advanced Weighted Average Calculation
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.
Convert Number To Text!
Challenge No. 22: Convert the numbers in column B to the text like column H
.
Solved using:Excel, Power Query, and R.
Table Transformation! Part 3
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.
Hierarchy Transformation
Challenge No. 20: The question table provides information about products, which are organized into three levels based on the length of their codes, and we want to transform this table into the result table wich each level is displayed in separate columns.
Solved using:Excel (FILTER, HSTACK, LEFT), Power Query (List.Transform), Python, and R.
Sudoku In Excel
Challenge No. 19: Solve the left side Sudoku table and replace X by a number based on the below rule:
Use the numbers 1 through 6 instead of X.
Solved using:Excel, Power Query, and VBA.