joanna

About Joanna Siennicka

• 20 years of experience lecturing at the Faculty of Business, University of Alberta and Grant MacEwan University, Edmonton, Alberta • 10 years senior leadership experience in professional development organizations • Worked with students, teams, and individuals on national and international platforms

An Example of Using a PivotTable Instead of the SUBTOTAL Command

Recently we posted an article in which we looked at the example of the SUBTOTAL command (https://windsongtraining.ca/an-example-of-using-the-subtotal-command-in-excel/). We used this command to analyse the data set for the top 25 car sales by country in 2020 (https://www.factorywarrantylist.com/car-sales-by-country.html) (Figure 1). Figure 1 In this post we would like to use a Pivot Table for [...]

By |2022-01-26T17:43:37-07:00January 26th, 2022|Data Analysis, Excel, PivotTables|0 Comments

An Example of Using the Subtotal Function in Excel

The SUBTOTAL function is incredibly versatile, and the name is misleading since it can perform any of 11 different calculations not just finding totals.  The particular calculation is controlled by using a specific value for one of the arguments, which we will describe below. There are two main reasons why the SUBTOTAL function is so [...]

By |2021-12-13T13:38:39-07:00December 13th, 2021|Data Analysis, Excel, MS Office 2016|0 Comments

An Example of Using the Subtotal Command in Excel

In the previous article we discussed the SUBTOTAL function https://windsongtraining.ca/an-example-of-using-the-subtotal-function-in-excel/ https://windsongtraining.ca/an-example-of-us…unction-in-excel/‎. In this post we will look at the SUBTOTAL command found on the Data tab in the Outline group.  Each Excel function provides a specific calculation.  We use any of the over 500 functions that Excel provides by typing an = sign in a cell [...]

A Few Words About the Pearson’s Correlation Coefficient.

“Politicians use statistics in the same way that a drunk uses lamp-posts for support rather than illumination” -A. Lang Statistics is a very complex subject and because of its complexity statistics and its terms are frequently misunderstood and misused. I came across an excellent article on The datapine Blog about how statistics can be misleading.  [...]

By |2021-03-26T17:45:50-06:00March 26th, 2021|Correlations, Excel, Statistics|0 Comments

How to use the Correlation Command

Once the Data Analysis toolbox has been enabled, the correlation function is ready to use. For this example, we are going to use data from two stock market indexes: NASDAQ Composite Index and the Dow Jones Industrial Average (https://ca.finance.yahoo.com/quote/ONEQ/history?p=ONEQ and https://ca.finance.yahoo.com/quote/DIA/history?p=DIA) . The data is the daily closing price for the last 6 months of [...]

By |2021-02-17T00:05:15-07:00December 30th, 2020|Correlations, Excel, Tutorials and How-Tos|0 Comments

How to Enable Analysis ToolPack in Excel

First: What is the Analysis ToolPak: Excel’s Analysis ToolPak provides a variety of tools and functions which enable sophisticated data analysis to be preformed. It produces output tables, and, in addition, some tools also generate charts. The add in takes the basic Excel functions and combines them into workflows where only the input values and [...]

By |2021-02-18T17:15:05-07:00December 23rd, 2020|Excel, Tutorials and How-Tos|0 Comments
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