Wednesday, October 7, 2015

Macro Muscle



Today our topic is the often mystifying subject of Excel Macros.  Macros are typically known as tools that are only accessible to the special skillset of VBA programmers.  On one level, however, that is not entirely true.

If, for instance, you have workbooks which you need to continually update with new data and continually repeat certain tasks, a Recorded Macro can be your ticket to lessening your repetitious work and simplifying your routine chores.

A Recorded Macro can “remember” your mouse clicks and keystrokes while you work, and then allows you to play them back in future revisions and repetitions of your workbook. You can save your recordings, and when you run the macro, it will play the commands in the same order that you recorded them. It gives you true Macro Muscle at your command!

For example, let’s say you track the performance of the Sales Reps in your company. Something like this can be a boring, repetitive task, as each week a report may be needed for management.  It can be very dull, but it needn’t be so. Here's how to Record a Macro to address these updates:

1.   First of all, in your report workbook, click the start of the cells you are going to update.
2.   Point to the Developer tab, and then click Record Macro.
3.  In the Record Macro dialog box, enter a Name that applies to your operation. For ease of operation later on, assign a custom Shortcut Key (this will separate you from other mere mortal Excel users…).
4.   Now perform the calculations, formatting, moving, etc that applies to the repetitive and monotonous update.
5.   Finish recording the macro by clicking the Stop Recording button.

To Run your Macro, simply go to the update start cell and enter (or click) your Custom Shortcut Key.

Presto! Instant update! Your newly created Macro has just done all of the work that may have taken you several minutes or an hour to complete. Give it a try, you may find you have more Muscle than you ever knew!

Tuesday, September 29, 2015

Standard Deviation Revisited



It is interesting to note how mysterious Standard Deviation is to most people.  Not everyone is a math geek, of course, but with a little effort, understanding Standard Deviation and its possible applications can be a true boon to a great many business people.  It is such a useful measure that I feel it is worth examining as we did a little over 2 years ago.

So, what is Standard Deviation?  In basic terms, it is a measure of how widely values are dispersed from the average value.  Depending on your business, it is potentially a very important statistic.

My favorite example as to how this measure can be applied is in the case of Call Centers.  Managers and analysts of call centers routinely track the amount of time it takes for their customer service people to handle the incoming calls.  Other measures of quality are, of course, also very important, but the Average amount of time taken per call is obviously very central to the effective operation of nearly any center.

So let’s suppose that you are such a manager or analyst, and you track weekly results of your department.  Let’s also say your records show that the representatives can provide your customers good service in a Mean Average of 6-8 minutes.  So, what would better to see, a range of actual talk times of 1-65 minutes or a range of 4-10 minutes?  (This is an example of the relative dispersal that Standard Deviation measures.)

Quite clearly, you would prefer to see Smaller values versus Larger values (tighter grouping around the average times), as it would indicate a more uniform, trustworthy approach by your reps.

So how can you use Standard Deviation in Excel? If you are still using Excel 2007 (or an earlier version), using the old STDEVP may be your preferred function. This assumes that you are using the Entire Population of data (therefore, the “P”). If you are using just a Sample of your data, then you will want to use STDEV.

This was made more intuitive in Excel 2010 and Excel 2013, where the function for finding standard deviation for the Population is STDEV.P and the Sample is STDEV.S. (A worthy clarification on the part of Microsoft...)

To make this data more visually accessible, this type of information can be more Effectively Illustrated with a Line Chart or a Bar Chart. In the blink of an eye, you can then see whether your data (talk times in our example) are under control in this regard.

The call center example is, of course, merely one of the virtually countless ways of using Standard Deviation in your Excel reports.  It is just another way that Excel can improve our business lives.  Give it a try some time and find out how simple it is to use this metric to further understand your data.

Tuesday, September 22, 2015

Excel 2016 Available Today!



It has just been announced that Microsoft Office 2016 (including Excel 2016, of course) has now been released.  It is available as a one-time download or you can subscribe to Office 365 for a monthly charge and regular updates.  I know I’ll be downloading it later this afternoon (what Fun!).

So, what is New in Excel 2016?  Well, many things, actually.  Here are a few of my personal favorites:
  
Enhanced Pivot Tables
Pivot Tables are, as most of us know, hugely powerful and convenient tools that enable quick analysis in minutes that may otherwise take hours.  Although the last iterations brought Power Pivot, the 2016 version has introduced the following cool new features (plus more…):
  •   Automatic Relationship Detection and Time Grouping
  •   PivotChart Drill-Down Buttons
  •   Searchability

More Sophisticated Forecasting
The FORECAST function in the 2016 version of Excel now includes the option for doing Exponential Smoothing.  Having extensively used smoothing in the past, I can attest to the desirability of this new addition!
  
New Chart Types
Being a big fan of visual representation of information, I naturally was delighted to see the addition of the new:
  • Treemap
  • Sunburst
  • Histogram
  • Box & Whisker
  •  Waterfall
3D Maps
Speaking of “visual representation”, Power Map has renamed to 3D Map, and is innately available to all Excel users.  As with its predecessor, the 3D Map tool provides an excellent way for making discoveries in data that might never be noticed in traditional two dimensional maps.

There are, of course, many other new and worthwhile features in Excel 2016.  Get your copy and find out which ones are your favorites!