1. Excel and Data Analysis

2. Excel can be a powerful tool for analysis Excel provides many tools for analyzing data –Filtering –Sorting –Formulas –Charts –Pivot Tables –Pivot Charts

3. Hard Way -- Easy Way You can fight Excel –By Formatting your spreadsheets in a traditional report style You can work together with Excel –By Formatting your spreadsheets in a way Excel prefers

4. Traditional Way

5. The Way Excel Likes

6. Well Formed Data? Using Excel to analyze data can be much easier if your data is well formed Well formed Excel data follows a set of simple rules

7. Rules of Well Formity One value per cell One type of data in each column No blank rows One row of column headings Be consistent –Windhoek, WHK, WNDHK, Whoek, The Hoek… Avoid separating similar data across tabs

8. One Value Per Cell

9. One Type Per Column

10. No Blank Rows

11. Be Consistent

12. Well Formed Data Its easy for a computer to process Excel is designed to help you analyze such data

13. Summary Microsoft Excel can be a powerful tool for data analysis Microsoft Excel works best with well formed data Following a set of rules can help your data be well formed

14. The Rules One value per cell One type of data in each column No blank rows One row of column headings Be consistent –Windhoek, WHK, WNDHK, Whoek, The Hoek… Avoid separating similar data across tabs

15. Final Note Using Excel to create well formed data can result in the duplication of some information This duplication is necessary, because Excel is not a relational database