How to Smooth Data by Using the TREND Function
Years ago, I read that Prof. William S. Cleveland had suggested that data could be smoothed by calculating a centered trendline through adjacent data—a...
How to Smooth Monthly Trends with Centered Moving Averages
I recently read an article in the Wall Street Journal about the expected increase of electric vehicles in the US. That made me wonder...
Using the Hidden Power of Excel’s FILTER Function
When you take the time to explore a new worksheet function, it's amazing what you can discover!
And I won't tell you about the really...
How to Report GL Account Groups in Excel
Believe it or not, this income statement is quite sophisticated. It's not nearly as simple-minded as it looks.
In fact, this income statement illustrates a...
How to Use SUMPRODUCT in Excel to Summarize Worksheet Data
After I posted The Most Powerful Ways to Summarize Excel Data for Reporting and Analysis, a reader asked why I hadn't discussed the SUMPRODUCT function.
I told him...
Excel’s SUMIFS or SUMPRODUCT…Which is faster?
Today, I learned about an Excel reporting need that looks something like this:
There’ll be about 150,000 rows of data maintained in an Excel database.
...
How to Create Summarized Financial Statements with SUMIFS Criteria Lists
In How to Use SUMIFS with Criteria Lists, Summarizing Sales, I explained how to use the SUMPRODUCT function with SUMIFS to return the sum of...
How to Use SUMIFS with Criteria Lists, Summarizing Sales
With one exception, SUMIFS is a very powerful function. And it's very fast.
To understand the one exception, suppose you have a table of sales...