Skip to content

Latest commit

 

History

History
165 lines (112 loc) · 5.93 KB

Excel.markdown

File metadata and controls

165 lines (112 loc) · 5.93 KB
Raw

Excel 2011 for Mac

Sources

  • "Data Smart" by John W. Foreman

Freeze header rows

Choose "Freeze Panes" or "Freeze Top Row" from the "Layout" tab on a Mac. (It is over on the far right, under the "Window" sub menu.) Note, you need to select the row below the row you want frozen - selecting the top (header) row on its own won't do what you want. Select the row below it.

Quickly move around

  • Command-arrow

Select quickly

Many tricks:

  • Select a colum (or row) and then just drag to select many.

Copy formulae quickly

  1. Click on a cell and enter a formula.
  2. Drag the right-bottom corner to expand the cells computed. Alternatively, double-click the bottom-right corner to fill a column quickly.

Absolute references

Use a $ in the cell coordiantes, e.g. $c2, c$2, or $c$2 depending on your needs.

Conditional formatting

Under the "Home" tab there is a "Conditional Formatting" menu.

Convert forumale to values

Right click the target (cell, column, or row) and choose "Paste Special" and then select "Values" from the menu.

Transpose a row or column

Copy a row or column and then right click the target and choose "Paste Special" and then toggle the "Transpose" button.

Charts

  • Select target cells and then go to the "Charts" tab and select a chart. Sections of the chart may be right-clicked to bring up formatting menus.

Search and replace

There is a search box with a drop-down menu in the upper right-hand corner of the sheet. We may also use Command-f to bring up the menu.

Find a value in a range and return its location

Use, e.g., =MATCH( <value>, <range, e.g. a1:a10>, 0) where the trailing 0 forces MATCH to give us back the position of the value itself.

Get a value by coordinate

  • Use, e.g. =INDEX(a1:b10, 1, 1) to get the upper leftmost item, =INDEX(a1:b10, 3, 2) to get the item in the third row, second colum of the range a1:b10, etc.
  • Use, e.g. =OFFSET(<location>, <+row>, <+col>), e.g. =OFFSET(a1, 3, 0) to get an item three rows down from a1 and in the same column.

Get the nth smallest or largest

Use, e.g.,

  • =SMALL(c1:c10, 1) for the smallest item in c1:c10
  • =SMALL(c1:c10, 3) for the third smallest item in c1:c10
  • =LARGE(c1:c10, 2) for the second largest item in c1:c10

Find a location in a range and return its value

Use VLOOKUP, e.g.

  • =VLOOKUP(<value>, <table or array>, <column index>, [<range lookup>])
  • =VLOOKUP(B2, MySheet!$A$2:$B$10, 2, FALSE) where 2 is the relative column we want the value retrieved from and FALSE means we won't accept approximate matches.

Similarly, there is an HLOOKUP function.

Filtering and sorting

  • Select a set of rows or columns.
  • Click on the "Data" tab and press the "Filter" button (under "Sort & Filter") to enable "auto-filtering".
  • Once auto-filtering is enabled, we have drop down menus we can use to filter.
  • We can disable the filtering by toggling the "Filter" button in the "Data" tab or by just working with the filtering drop-down menus.
  • Note that with the filtering drop-downs, we can also sort the set with the filtering layer applied. For more advanced sorting, use the "Sort" button under the "Data" tab with all the data selected. There is a small drop-down menu on "Sort", and in that menu there is a "Custom Sort" option.

Using PivotTables

  • Select the data region (e.g., A1:F200).
  • From the Data tab, press the PivotTable button and select for Excel to create a new sheet with a pivot table.
  • Typically, the table is pre-populated. It is safe to uncheck all the items in the builder first. (You may also remove items by dragging them out the areas and "throwing them away.")
  • Then, construct the table by dragging items from the Field name area to the Row Labels and then to the Column Labels or Values areas. Click the i button on the item in the Values areas to select an aggregation function (e.g., Sum, Count, Average, etc.)
  • A typical approach is drag the category of "interest" to the Row Labels area. Then, drag the category you would like to aggregate over to the Values area and select an aggregation method. Finally, select the category you would like to use as a breakdown to the Column Labels area.

Using array formulae

  • By default, Excel functions return single values. In order to get them to return an array (e.g., the output of the TRANSPOSE() function), you need to enter the calculation with cmd-return rather than just return.
  • e.g., =SUMPRODUCT(B2:B15,TRANSPOSE('Fee Schedule'!B2:O2)) must be enterd with cmd-return or the SUMPRODUCT() will fail because TRANSPOSE() will return a single value.

Using the Solver

  • First, Solver must be added if it isn't already. Go to Tools then Add-ins and select Solver.xlam from the menu. This will cause a Solver button to appear in the Analysis section of the Data tab.
  • Click the Solver button.
  • Fill the Set Objective cell and select the To values for it.
  • Set the range for the Variable Cells.
  • Then, add constraints (values must remain integers, some other cell that is a sum of the variable cells must remain fixed, etc.)
  • Select a Solving Method (sublte).
  • Click Solve.

Removing Extraneous Punctuation

Clean up tweets with the following sequence:

  • =LOWER(A2)
  • =SUBSTITUTE(B2, ". ", " ")
  • =SUBSTITUTE(C2, ": ", " ")
  • =SUBSTITUTE(D2, "?", " ")
  • =SUBSTITUTE(E2, "!", " ")
  • =SUBSTITUTE(F2, ";", " ")
  • =SUBSTITUTE(G2, ",", " ")

Break up a string into tokens

  • In the Data tab, there is a powerful Text to Columns button.

Sample from the normal distribution

=NORMINV(RAND(), MEAN, STANDARD_DEVIATION)

(Note, we use the standard deviation here and not the adjusted (N-1) deviation.)

Other useful statistical functions

  • Compute the total sum of squares (sum of the squared deviations of each value in the outcome sample in a linear regression from the average value of the outcome sample): =DEVSQ(A1:A100)