QI Macros Lesson 11 - Data Transformation Tools


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The QI Macros include the following new Data Transformation functions:

Data Transformation Menu

To access the QI Macros data transformation functions, find the data transformation sub menu.

Excel 2006 and previous versions:

Excel 2007:

 

Stack / Restack

Stack/Restack will convert the number of columns your data is organized into. You can increase the number of columns your data in organized into (e.g. 1 to 2, 1 to 4, 3 to 5, etc.) or you can decrease the number of columns your data is organized into (e.g. 4 to 1, 4 to 2, 3 to 2, etc.) Stack/ Restack replaces the Gen table macro in old versions of the QI Macros.

To use the Stack/Restack functions in the QI Macros:

  1. Select your data.
  2. Next select Stack/Restack from the Data Transformation sub menu.
  3. Input the new number of columns you desire:

  4. The macros will convert your data to the new number of columns you requested. Here is an example of how 1 column in converted to 3:

Get Sample

Get Sample selects of sample of items from a table of data.

  1. Just select the data then select Get Sample from the Data Transformation menu. The following window will open.
  2. To select a random sample, input the number of samples you want and click on the Random button
  3. To select a Periodic sample input the number of cells between samples. For example, if you want every third item, input 3.

      Paste Link/ Paste Link Transpose

If you want your control charts to automatically update when you add data to your original spreadsheet use the Paste Link or Paste Link Transpose function.

Excel allows you to either Paste Link or Paste Transpose but not both at the same time. To use Excel's functions:

  1. Select your data (and future input cells), then select Edit /Copy from Excel's menu.
  2. Click in the destination cells and select Paste Special and either select Link or check the box next to Transpose.

To use the Paste Link and Paste Link Transpose functions in the QI Macros:

  1. Select your data and any future input cells.
  2. Next select either Paste Link or Paste Link Transpose on the QI Macros Data Transformation sub menu.
  3. The macro will paste your linked data into another spreadsheet.
  4. Select the linked data and use Edit/Cut then Edit/Paste to move your data to the QI Macros control chart template or other destination.
  5. As you update your original datasheet, your linked cells and any associated charts will update.

    Box Cox Transformation

Box Cox Transformation muliplies the selected data by a transformation factor. The purpose is to transform non-normal data into data that is closer to normal.

To run box cox just select your data then select Box Cox from the QI Macros Data Transformation menu. You will be prompted for the factor.

Results look like this:

Use the QI Macros data transformation functions to save time and effort.

In Lesson # 12 we will cover Pareto Charts.

View previous lesson ...........View next lesson

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