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Home » Python » Python for Data Analysis » Page 15

Python for Data Analysis

Using Python for data analysis

 Sort Table Columns
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  • ⭐️⭐️⭐️ Intermediate

 Sort Table Columns

Challenge No. 43: In the question table (Product sales in different regions), sort the columns in descending order based on their total values.
Solved using:Excel (BYCOL, HSTACK, LAMBDA), Google Sheets, Power Query (List.Skip, Table.Column, Table.ColumnNames), Python, and R.

February 19, 2025April 28, 2025
 Revisit After Surgery!
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 Revisit After Surgery!

Challenge No. 42: In the question table, a list of patients is provided who are scheduled to visit the doctor for consultations and surgery.
Solved using:Excel (CHOOSECOLS, DROP, FILTER), Power Query (Text.Combine, Table.Group, Table.SelectRows), Python, and R.

February 18, 2025April 28, 2025
Table Transformation! Part 6
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Table Transformation! Part 6

Challenge No. 41: Convert the data from the question table into the result table, arranging the information so that each product is detailed in separate rows.
Solved using:Excel (FILTER, HSTACK, LET), Power Query (List.Transform, Table.RemoveColumns, Table.Sort), Python, and R.

February 17, 2025April 28, 2025
 Cross Selling!
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 Cross Selling!

Challenge No. 40: In online markets, when customers add items to their carts, other products, known as complementary products, which are often purchased with the selected items, are suggested to boost sales.
Solved using:Excel (ARRAYTOTEXT, FILTER, HSTACK), Power Query (List.Transform, Text.Split, Table.AddColumn), and R.

February 16, 2025May 11, 2025

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  • By Difficulty
    • ⭐️ Beginner
    • ⭐️⭐️ Easy
    • ⭐️⭐️⭐️ Intermediate
    • ⭐️⭐️⭐️⭐️ Advanced
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  • By Topic
    • Advanced Mathematics Problem
    • Aggregation & Summarization
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    • Column Transformation
    • Custom Grouping
    • Data Cleaning
    • Data Transformation
    • Date & Time Handling
    • Financial Problems
    • Indexing & Ranking
    • Merging & Joining
    • Missing Values
    • Pivot & Unpivot
    • Text Processing
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