Challenge No. 98: 1.
Solved using: Python.
By Topic
Challenges categorized by topic.
Table Transformation! Part 19
Challenge No. 167: Transform the question structure into the result structure.
Solved using:Excel (FILTER, HSTACK, IF), Google Sheets, Power Query (List.Skip, List.Split, Table.AddColumn), Python, Python in Excel, and R.
Lookup and Sum
Challenge No. 44: Summarise the budget per Department
For example, Using the Lookup table, the total Finance budget is
“Treasury (278)+Budgeting (748)”.
Solved using: Python.
Time Zone!
Challenge No. 166: In the provided table, the Date Time values correspond to different time zones (specified in the column GMT From).
Solved using:Excel (BYROW, HSTACK, LAMBDA), Google Sheets, Power Query (Text.End), Python, Python in Excel, and R.
Concatenated Multiples All Digits
Challenge No. 274: List those numbers when a number is multiplied by 2 once and 3 once and we join the original number with results of these multiplications, then the result should contain all digits from 0 through 9.
Solved using: Python in Excel.
Compare Store1 vs Store2 Visits
Challenge No. 96: List Customer1 whose Store1 Visit Date Time is less than or equal to Store2 Visit Date Time if they visited Store2 also.
Solved using: Power Query (Table.SelectRows).
Custom Grouping! Part 13
Challenge No. 165: Based on monthly transactions, categorize each customer for each month into one of the following groups:
New: A customer who has never made a purchase in previous months.
Solved using:Excel (FILTER, HSTACK, IF), Google Sheets, Power Query (Table.Group, List.Difference, List.Distinct), Python, and R.
Extract From Text! Part 6
Challenge No. 164: In Power Query, a list is defined by { } and can contain sublists, such as {1, 2, {3, 4}}.
Solved using:Excel, Google Sheets, Power Query, Python, and R.
Custom Grouping! Part 12
Challenge No. 163: Convert the monthly sales data from the Question table into seasonal sales as shown in the Result table.
Solved using:Excel (FILTER, GROUPBY, HSTACK), Google Sheets, Power Query (Table.Group, Table.AddColumn, Table.Group), Python, Python in Excel, and R.
Decrypt Baconian Cipher Text
Challenge No. 268: Find the Decrypted words corresponding to Encrypted words .
Solved using: Excel VBA.