Excel: Central Tendency – Median

Please see me my other Excel articles. Describing Central Tendency of Data Descriptive statistics is concerned with describing important aspects of set of measurements, organizing and summarizing data. Here’s an example of descriptive statistics using the following data set: There are 20 statistics classes at a university for which all the ages of the students…

Excel: Central Tendency – Mean

Please see me my other Excel articles. Describing Central Tendency of Data Descriptive statistics is concerned with summarizing data using measurements. Here’s an example of descriptive statistics using the following data set: There are 20 statistics classes at a university for which all the ages of the students in one class have been collected –…

Excel

Please see my other Business Intelligence articles. Leveraging Excel to deliver analytics.   CHARTS Chart: Area Chart: Bar Chart: Bar – Clustered Chart: Bar – Stacked Chart: Bar – Vertical Chart: Bubble Chart: Histogram Chart: Histogram – Frequency Polygon Chart: Histogram – Relative Frequency Chart: Line Chart: Ogive Chart: Pie Chart: Stem & Leaf Plots…

Excel: String Split

Splitting a string with multiple delimiters in Excel. Often when using Excel, especially when viewing CSV file exports from other system, the need arises to transform the existing values into separate values, each residing within their own cell. Below is a small recordset of Sales people records with their Sales Region (one digit numeric code)…

Excel: Power Query – Transformations

Implementing Business Rules through Transformations In this article, I’ll continue from the article Excel Power Query – Introduction and illustrate some transformations available in the Query Editor. I’ll begin with the data loaded into the Query Editor. Remove Columns Since I don’t need the field Ship Mode, I’ll use “Remove Columns” to remove this column.…

Excel: Power Query: Introduction

Leveraging Power Query to harness your data. The Power Query Add-On provides power capabilities to connect to multiple data sources, import data, query and transform data. Power Query allows you to load millions of rows into Excel’s Data Model which keeps the data in memory instead of numerous worksheets. This enormous data storage allows analysis…

Excel: Database Reporting

Using excel to query the database to produce reports. Using the ubiquitous Office application Excel, users may easily perform queries against your database to display reports within the worksheet and then utilize Excel’s robust tools to customize their reports. For this example, I’ll begin with a simple customers tables from AdventureWorks db. First, I’ll open…

Excel: Cumulative Frequency

Understanding event outcomes by their frequency. One of the most important patterns studied within statistical research are frequency distributions and their cumulativeness to understand events. In this example we’ll begin with a dataset illustrating adult student ages with the goal of understanding how often certain-aged students participate in school. Next, I’ll add to my spreadsheet…

Excel: Combine Worksheets

Combine data from worksheets into a new worksheet. Beginning with two worksheets containing fictitious data where both share a column – you need at least one “key” between the two, I will use Excel to combine both sheet’s data into one worksheet. First, save the spreadsheet somewhere easily accessible. Define Dataset Ranges In Excel, name…