In my last post, we explored the organizational structure of many large companies and how this pertains to one's duties as a fledgling data analyst. I highly recommend you go back and read the first post on "dirty" data, but just in case you're one of those rebels who thinks that they're too cool to read part 1, here's a
Cleaning data Excel in the absence of tools designed to do so.
In my last post, we discussed what separates a true analyst (read: technical) from a project manager wearing the mask of an analyst like some Scott Snyder era Joker (I figure that there's a solid overlap between fans of comic books and fans of the real world application of data. Note that this is a study with an N = 1
Taking a step back to reflect on the problems Excel intends to solve.
If you've been reading along, over the last several posts you've learned the two major skills that any self-respecting Excel jockey counts as their go-tos: the ability to lookup (remember, I'm partial to index-match, but if you learned VH lookup, ride that until you crash your system) and the ability to pivot.
Now here's something really interesting: until we pierce
Power up your Excel Pivot Tables with these pro moves.
During the last discussion, you've (hopefully) learned how to generate a pivot table, and learned about the four "buckets" that can house your columns:
I'm also going to make the wild assumption that you've played around with your newly birthed pivot table, taking your column headings from your "raw" data (in the lingua franca of the
Pivot complex Excel spreadsheets to summarize your data.
As previously discussed, the entry level data professional (coming from a background other than statistics, math, or computer science) consists of two keywords: The ability to lookup and the ability to pivot.
Dear reader, this is not an oversimplification or hyperbole, the hard truth is that if someone has a reasonable familiarity with a lookup function (remember, cool kids use
Unlock the secrets of Excel's Index Match.
In my last entry, we discussed how to write a formula, and you've been armed with what each piece of the formula represents (the command, the variables, and the definition of an array). With this knowledge, you've actually been armed with the keys to the kingdom, and you're finally going to learn how to do something fancy.
There comes a
Learn to hate V-Lookups and H-Lookups in favor of Index Match.
You may have picked up in my last post that some fellow wizards (of which I now consider you if you've mastered Index-Match, and you've activated developer mode) who may have started learning Excel prior to 2007 may drop the phrase "lookup;" generally in the context of "V-Lookup" (or perhaps "H-Lookup" if they're working with data that was formatted by
Learn to define and utilize Excel formulas.
In my last entry, I took you on a journey to unlock the secrets of Excel; essentially making you a spreadsheet wizard. However, one important thing to remember at work is that a company can't function if it's comprised of only wizards (tell me to my face that Hogwarts was a functioning school!)
That begs the question, if I'm not
Introduction to Excel Data Manipulation using TEXTJOIN and Macros.
Alright, so unlike the other two guys, I work in corporate, which means I work with people who only use their computers to send emails, schedule meetings they'll cancel, and occasionally write a memo plus, because they're terrified of anyone associated with IT, they'll never ask for help. As such, I'm forced to do a similar job as my comrades