1. GET 236: E NTERPRISE DATA ANALYSIS : TOOLS AND TECHNIQUES W EEK 01: I NTRODUCTION G ARY F RIEDMAN 8/31/155:15 – 8:05 PM

2. E XCEL B ASICS – C IRCULAR R EFERENCE Chapter 11 Excel does a nice job of informing you when make a mistake. Circular referencing is essentially creating a loop, and therefore the calculation cannot be performed. How do you get Circular References? When Computing 2 or more cells in the formula Depend on each other They “influence” the outcome of another cell There is a looping relationship Excel gets confused and will not proceed

3. E XCEL B ASICS – C IRCULAR R EFERENCE Two common examples: Go to spreadsheet A cell is included in its own formula. For example, the formula "B6 = SUM(B2:B6)". The fix is to change the formula to "B6 = SUM(B2:B5)" Two cells refer to each other. Cell B13 has a formula "=B15" and B15 has a formula "=B13". One formula needs to change. Notice the graphic excel provides.

4. E XCEL B ASICS – R ANGE N AMES Chapter 02 Situation: Have a formula of =SUM(A30:A35) Now you have to go look at cells A30:A35 to remember what you are trying to summarize An alternative is to name cells A30:A35 something like Sales Then, you can do use this formula =SUM(Sales) How to create Name box or Formula tab Use Name Manager

5. E XCEL B ASICS – R ANGE N AMES Is this required? No. It is personal preference and up to the user on if it is needed or not. Alternate approach be more detailed in documenting procedures use more labels and explanations in your spreadsheets

6. E XCEL B ASICS – P ASTE S PECIAL Chapter 1 page 8 Paste – what does it normally do? Allows other options Paste only some of a copied or cut cell's properties Paste only the cell content – no formula – when used? Paste the formula and not the content – when used? Perform Math calculations on cells Move columns to rows and vise versa

7. E XCEL B ASICS – P ASTE S PECIAL Chapter 1 page 8 Most common uses: 123 means values. If you had formulas, they disappear and only the “answer” remains means transpose. Vertical to horizontal or vice versa

8. E XCEL B ASICS – C ELL R EFERENCING Cell referencing refers to “anchoring” a cell Absolute referencing: both column and row STAY Ex. $A$4 Mixed cell address: one STAYs – either row or column Ex. $A4Column stays Ex. A$4Row stays Relative cell reference: nothing stays Ex. A4 Essentially when you copy or drag an “anchored” cell, whatever you anchor will STAY. If the column of A2 is anchored (=$A2), and you copy that formula to cell ZZ875, it will reference A due to the $ and appear as =$A875.

9. Font: Basic MS Word formatting applies: Bold, Italics, Font size, Font color, etc. Alignment: Wrap means to display longer text within the cell. Merge multiple cells into 1. Number: Quickly format currency, percentage, count, increase or decrease decimals Clipboard: Apply formatting of one cell to another. Helpful for $, bold, etc. Can be applied to entire rows and or columns E XCEL B ASICS – O THER U SEFUL T HINGS Home Tab

10. Cells: Insert row / column Delete row / column Format cell Hide / Unhide Rename Tab color Editing: AutoSum Clear Sort & Filter E XCEL B ASICS – O THER U SEFUL T HINGS (C ONT.) Home Tab

11. E XCEL B ASICS – O THER U SEFUL T HINGS (C ONT.) Review Tab Just because we are in excel, doesn’t give us an excuse to misspell words. Use spellcheck, thesaurus, etc. Comments are widely used in the business setting Protection and sharing is common for sensitive workbooks or workbooks to be used by multiple people

12. E XCEL B ASICS – O THER U SEFUL T HINGS (C ONT.) View Tab Show: Can check or uncheck Gridlines I often uncheck gridlines for a client deliverable to make it look better Freeze Panes is a must use feature in the business setting. Can view the field headings / names in row 1 when you are in row 10,000

13. Q UESTIONS ?

14. N EXT C LASS I NFORMATION Week 02: No Class: Holiday Week 03: Class on Importing and Validating data Download the slides and excel template prior to class. The following chapters will be discussed in class: 38: Importing Data from Text Files 39: Importing Data from the Internet 40: Validating data 25: Sorting in Excel 46: Filtering and Removing Dups