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Age, Part 2
By Richard Rost   Richard Rost on Twitter Richard Rost on LinkedIn Email Richard Rost   6 months ago

Checking the Accuracy of Original Age Calculations


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In this video, we will examine the Age calculations in my original Microsoft Access Age video and see just how accurate they are. I built a database to run through 10 million date calculation iterations, and it turns out the original formula is 99.91% accurate. I will, however, show you a more advanced formula that is always 100% accurate. 

Rabid Follower (a YouTube Subscriber) says: I think dividing by 365.2524 could lead to erroneous results pretty often, and it's not "1 in 5000" like you said... It’s more like 1 in 486 from my calculation.

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Members will see exactly how I built my database to perform my calculations to check my accuracy. 

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Keywords

microsoft access, ms access, #msaccess, #microsoftaccess, #help, #howto, #tutorial, #instruction, #learn, #lesson, #training, #database, calculating age part 2, age in access, 100% accurate age in microsoft access, datediff, dateserial 

 

Calculating Age Upload Images   Link 
Ina van Rooyen 
2 months ago
Hi Richard, using your code for calculating age, is it possible to include months and days as well, and not just the year?
Adam Schwanz
2 months ago
You can get the TOTAL months or days by using the same formula with m or d instead of yyyy. I'm guessing what you want isn't that simple though, you want to see the leftovers right?

I was able to get leftover months by doing the month calculation - (yearcalculation*12).

Leftover days on the other hand.... I'm lost, maybe Richard has an idea.
Scott Axton
2 months ago
Ina -
Calculating days is easy.  Just D1 - D2
Months a little more difficult because of February.  If you are not real concerned about that just multiply years from the age calc x 12.
Richard Rost
2 months ago
Code Vault: How Long Function. Will give you responses like:

2 years, 22 days, 15 hours, 39 minutes
2 yr, 2 mo
22 days ago
in 4 years, 4 months
etc.


That function ALONE is worth the cost of Gold Membership. Took me a while to write.

Ina van Rooyen
2 months ago
You are a genius, Richard.  That is exactly what I need, however, not right to the minutes though. When you work with puppies you work with days, weeks and months.
Richard Rost
2 months ago
Are you saying the function is wrong to the minutes, or you don't NEED that level of accuracy? You can pick whatever units you want. You can get years, months, days, down to the seconds if you want.
Richard Rost
2 months ago

Richard Rost
2 months ago
Oh, and did someone say PUPPIES!? My little guy says hi.
Ina van Rooyen
2 months ago
This function is indeed very handy for my purposes.  I can also use it to calculate the exact interval between heat seasons.
Ina van Rooyen
2 months ago
How cute, Richard.  What's the little fella's name?
Ina van Rooyen
2 months ago
I'm not saying your code is wrong.  I just won't need it to the minute and second.
Richard Rost
2 months ago
That's Carter. He's 8 months old. That pic is actually from when he was a puppy. Here he is today... too big for that cubby I made for him at the bottom of one of the bookshelves in my office, but he still crawls in there. LOL
Richard Rost
2 months ago

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