Challenge No. 640: Treat the data between two pluses as one group.
Solved using: R.
Calculate Daily Work Hours
Challenge No. 639: Find the total time in hours worked on each day.
Solved using: Python in Excel.
Generate Unique Day Abbreviations
Challenge No. 638: Given are Day of week names in 3 languages.
Solved using: Excel VBA.
Insert Dashes for Nonconsecutives
Challenge No. 637: Given alphanumeric strings, insert a dash if two characters are not consecutive in increasing order.
Solved using: Python in Excel.
Identify Yearly Repeat Customers
Challenge No. 636: Find the unique repeat customers in a year.
Solved using: Python.
Compare Unique Array Elements
Challenge No. 634: Starting the week on a comfortable note.
Solved using: R.
Encrypt Words with Random Characters
Challenge No. 633: Encrypt the given words with following rules
1.
Solved using: Python.
No Challenge Provided
Challenge No. 632: .
Solved using: Python in Excel.
Calculate Actual Task Durations
Challenge No. 631: This challenge has been contributed by Abdelrahman Omer, MBA, PMP.
Solved using: Python in Excel.
Find Immediate Previous Caller
Challenge No. 630: For each date group, populate the immediate last caller.
Solved using: Python in Excel.