Challenge No. 153: The table includes two columns, From and To, where each row represents a range of dates.
Solved using:Excel (DROP, HSTACK, IF), Google Sheets, Power Query (Table.Group), Python, Python in Excel, and R.
XLOOKUP
Searches a range for a value and returns a corresponding result in Excel.
Match Ages Using Email First
Challenge No. 78: Populate Age in Table 1 on the basis of Table 2.
Solved using: Power Query.
Fill Up And Down !
Challenge No. 141: For each blank cell, replace the null value with the value from the row above that has the same ID.
Solved using:Excel (FILTER, HSTACK, IF), Google Sheets, Power Query (Table.Group), Python, Python in Excel, and R.
Apply ATBASH Cipher Rules
Challenge No. 217: ATBASH Cipher
This is case sensitive problem.
Solved using: Excel VBA.
Vice Presidents Turned Presidents
Challenge No. 216: List the Vice Presidents who have been presidents also and list their vice-presidency and presidency years separated by comma.
Solved using: Power Query.
Top Player by Group Average
Challenge No. 197: List the qualifying player from each group on the basis of
1.
Solved using: Power Query (Table.AddColumn).
Custom Grouping! Part 7
Challenge No. 133: Group the monthly sales values into three categories based on the following logic and provide one of the result tables:
Group 1: 1st to 10th of the month
Group 2: 11th to 20th of the month
Group 3: 21st to the end of the month.
Solved using:Excel (DATE, DAY, DROP), Google Sheets, Power Query (Table.Group, Date.Month, Table.AddColumn), Python, Python in Excel, and R.
Merge! Part 3
Challenge No. 132: In Question Table 1, values are provided for each code.
Solved using:Excel (FILTER, FIND, ISNUMBER), Google Sheets, Power Query (Text.Contains, Table.AddColumn, Table.SelectRows), Python, Python in Excel, R, and VBA.
Fill Missing Store Dates
Challenge No. 50: If there is a discontinuity in dates for a Store, fill in the missing dates with details of previous records and also fill in the sequence of record numbers for a customer in that store.
Solved using: SQL.
Merge! Part 2
Challenge No. 124: In Question Table 1, dates and prices for a product are provided.
Solved using:Excel (INDEX, LAMBDA, LET), Google Sheets, Power Query (Table.AddColumn), Python, Python in Excel, and R.