MITS6005 - Acquire & Transform Analyze Visualize Data, Absolute Cell - Data Science Assignment Help

Assignment Task -                 
 

Objectives 

• Demonstrate knowledge of data quality concepts

• Demonstrate knowledge of key terms and capabilities in Excel

• Demonstrate how to use Excel to acquire, transform, analyze, and visualize data

• Demonstrate knowledge of leading practices for presenting findings in Excel.

Why excel? 

• Easy-to-use

• Many different functions

• Advanced capabilities through add-ins

• Easy to explore and manipulate the data

 • Can present data and analysis together

• Integrated with common desktop applications But...

• Significant potential for human error 

Absolute cell referencing

With absolute cell referencing, a dollar sign ($) appears in the cell reference:

=B4 Refers to column B and row 4, but this will vary if the formula is copied across a range of cells (relative reference)

=$B4 Will always refer to column B, but row reference can vary

=B$4 Will always refer to row 4, but column reference can vary

=$B$4 Will always refer to column B and row 4 (absolute reference) Keyboard shortcut F4 cycles through the four absolute cell reference options

Navigation shortcuts (Windows) 13 Ctrl + ( ) navigate to last non-empty cell in that direction Ctrl + Shift + ( ) select block of cells to last non-empty cell in that direction Ctrl + Space select the entire column of the cell you have selected Shift + Space select the entire row of the cell you have selected.

Getting data into excel 15

• Excel files have the extension .xlsx or .xls (older versions)

• Excel can also import data from delimited text files - Some comma-separated values files can be opened directly by Excel - Tab-separated values can be copy-and-pasted directly into an Excel worksheet - Delimited text can also be copy-and-pasted into Excel and then separated with textto-columns.

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