All articles with 'programming' Tag

Yesterday we saw a beautiful example of panel charts with R. Today let me show you how to create the same (or even better) with Power BI & R. What you need: Power BI Desktop and R Raw data set – rem-data.csv Creating Panel Charts in Power BI with R Load CSV data in to […]

Recently, I had to make a bunch of panel charts. After wrangling with Excel (and a tiny bit of VBA) to create them, I wondered if we are suffering needlessly by being too loyal to Excel. I switched to R and could create these panel charts in almost no time (well, first I had to learn how to pivot the data using dplyr). Today, let me share the experience.

This article is part of our VBA Crash Course. Please read the rest of the articles in this series by clicking below links.

1. What is VBA & Writing your First VBA Macro in Excel
2. Understanding Variables, Conditions & Loops in VBA
3. Using Cells, Ranges & Other Objects in your Macros
4. Putting it all together – Your First VBA Application using Excel
5. My Top 10 Tips for Mastering VBA & Excel Macros

Yusuf, one of the blog readers emailed me and asked “how I can bebome an expert in Excel”. I gave him some advice based on what I know. But I think My advice can be improved too. So I turn to you.
What do you think a person should do to become really awesome in Excel?

Share your thoughts, ideas and suggestions using comments. Suggest blogs, websites or books or anything that can help Yusuf (and countless others) really good in using Excel to become awesome in their work.

Often when you are writing code or testing an application, it might be helpful to have random phone numbers generated for you. Here is an excel formula that I use: =value(left(substitute(rand(),”0.”,””),10)) try these 2 instead (thanks to John) =RAND()*(9999999999-1000000000)+1000000000 =RANDBETWEEN(1000000000,9999999999) [needs analysis toolpack add-in or excel 2007] Even though it works most of the time […]

Often when you are working on 2 incompatible systems and try to import data from one to another, excel can be a handy tool. I have used excel plenty of times to generate SQL insert / update statements which I could later execute on the database console. Here is a tutorial if you ever have […]