These Excel charts were inspired by Hans Rosling’s TED presentation on Religion and Babies (http://www.ted.com/talks/hans_rosling_religions_and_babies.html). He is absolutely great at engaging the viewer with his ability to bring data to life.
One of the things he did in his presentation was show the equivalent of an Excel bubble chart. He showed how different countries measured over the years. He also created a trail showing how a country progressed over time.
I decided to do the same with an Excel bubble chart – and implement both capabilities, i.e., the time snapshot and the time trail tracing the path, without any VBA code! The example I used was data from one of a series of seminars I had taught to healthcare executives. They participated, in teams, in a real-time, interactive, web-based simulation. In the simulation each team made decisions about how much of their limited resources to invest in (1) product development and operations and (2) marketing and sales. Their profitability depended both on their own decision and also their competitors. The simulation typically lasted 10 to 12 periods. The scroll bar in each chart controls the period shown or the latest period, as appropriate. The checkboxes control which teams have their performance history traced in the chart.
While I implemented the solution in Excel 2010, it should work in Excel 2007 and Excel 2003, though, in all fairness, I haven’t verified the older versions.
For a version in a page by itself (i.e., not in a scrollable iframe as below) visit http://www.tushar-mehta.com/publish_train/data_visualization/9e%20Bubble%20Chart%20by%20Period.shtml
There are instances when there are data series plotted on both the primary and secondary axes. For example, suppose we want to plot the two series A and B in Figure 1, with the elements in column B as the x-axis values. The A series will be a column cart on the primary axis and the B series will be a line chart on the secondary axis.
For a version in a page by itself (i.e., not in a scrollable iframe as below) visit http://www.tushar-mehta.com/publish_train/data_visualization/06%20Visual%20Effects.shtml
If you’re an engineer (like I used to be in a previous life), you have probably done your bit of experimenting. Usually, you then need a way to fit your measurement results with a curve. If you’re a proper engineer, you also have some idea what type of equation should theoretically fit your data.
Perhaps you did some measurements with results like this:
I’ve created an Excel file with which you can fit curves to your data, check out the article on my website:
Fitting curves to your data using Least Squares
Jan Karel Pieterse
A Radar Chart, also known as a Spider Chart, visually compares several entities (products, organizations, investment opportunities, or even people) on multiple dimensions. For example, a manager of a diagnostic imaging (radiology) center might want to compare her facility with the competition on dimensions related to patients such as Time To Appointment, Report Turnaround Time, No Show Rate, and Wait Time.
Or, one might want to compare 6 products A, B, C, D, E, and F on 6 different attributes: Aesthetic Appeal, Compatibility, Strength, Market Size, Durability, and Reliability. The Custom Radar Chart lets one easily compare all the products along each of the dimensions on interest. This is the example used in the documentation. With the axes normalized, the resulting chart would be
For more on this shareware product, please visit www.tushar-mehta.com/excel/software/custom_radar/index.htm
— Tushar Mehta
Following up on my previous posts sharing my initial Excel mashups (http://www.dailydoseofexcel.com/archives/2012/01/29/excel-mashup-2/ and http://www.dailydoseofexcel.com/archives/2012/01/25/excel-mashup-1/), this post shares the details of how I created the second mashup. It assumes a basic familiarity with C-style syntax, asynchronous processing, and callback functions.
For a version in a page by itself (i.e., not in a scrollable iframe as below) visit http://www.tushar-mehta.com/publish_train/data_visualization/15a%20Excel%20Mashup.shtml
Following up on the previous post (http://www.dailydoseofexcel.com/archives/2012/01/25/excel-mashup-1/) I extended the capability to create a Polar plot using a 2nd worksheet in the same workbook. The consumer provides graph parameters, including the graph type, using HTML form controls. The graph is in an Excel workbook.
Graph any Excel formula in a XY (Cartesian) chart or a Polar plot
Recently, Microsoft introduced a way to create a “mashup” using Excel. Fellow MVP, Jan Karel, put together a tutorial on how he created his first mashup. It helped me understand the basics, which are also well explained by Microsoft itself.
In my case, for a long, long time I have wanted to draw any graph on a web page and do so easily. Some years back Google introduced an API that I experimented with but it never caught my fancy.
Graph any Excel formula as a function of a single variable
I will post a “how I did it” article in a day or two together with links to whatever documentation / samples I could find on the ‘Net.
As you may have seen on some blogs, Microsoft now enables you to include any Excel file -or parts thereof- in your web pages and blog posts.
For example (yes you can make changes to the cells, they are not retained):
I have written an article that explains how this is done.
Even more: I have also created a demo where you can enter information in a web form (a textbox), which in turn updates information in the embedded Excel web app file.
Enjoy the read: Embedding Excel files on your website
Jan Karel Pieterse