Author Archives: dougaj4

Chain mail …

Posted on 11/08/2013 by dougaj4

… or a collection of inter-connected links (all e-mailed by Alfred Vachris, and all worth a look): 3D scatter plot for MS Excel – free spreadsheet with proper 3D scatter plot function. Excel Liberation This is not another Excel tips … Continue reading →

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Select and sum data using the scripting dictionary

Posted on 10/08/2013 by dougaj4

Another User Defined Function (UDF) prompted by a query at Eng-Tips. The question concerned a set of data consisting of 13 columns, which was to be divided into two sets, based on the contents of Column 4, then the contents … Continue reading →

Posted in Excel, UDFs, VBA | Tagged , , , , | 2 Comments

EvalA update and examples

Posted on 06/08/2013 by dougaj4

The EvalA User Defined Function (UDF) has been included in the Eval2 and Eval-Integration spreadsheets for some time, but was not documented.  That has now been fixed, and both spreadsheets can be downloaded from Eval2.Zip (including full open-source code). The … Continue reading →

Posted in Arrays, Charts, Excel, Maths, Newton, UDFs, VBA | Tagged , , , , | Leave a comment

SelectAv Function

Posted on 30/07/2013 by dougaj4

Suppose you have a spreadsheet range containing numerical data, and would like to find the average for a number of the most recent values, ignoring the highest (and/or lowest) values from the selected set. If you like using long array … Continue reading →

Posted in Excel, Maths, UDFs, VBA | Tagged , , , | 3 Comments

Copy non-blank rows to another sheet

Posted on 26/07/2013 by dougaj4

A thread at Eng-Tips asked for a way to display the data from Sheet2 on Sheet1, but only the rows that were not blank in Column A. There are probably ways to do it without VBA, but it seems to me … Continue reading →

Posted in Arrays, Excel, UDFs, VBA | Tagged , , , , | 3 Comments