Sig figs in specificity and sensitivity percentages

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stevems
Posts: 14
Joined: Thu Aug 03, 2006 8:18 pm

Sig figs in specificity and sensitivity percentages

Post by stevems »

I see others here talking about, and posting, their specificity and sensitivity percentages to two decimal places. My ratings are rounded to the nearest whole number. No decimal places. Why is that?
Steve
---------------------------------------
Sometimes I wonder why I spend
The lonely nights
Dreaming of a song.
stevems
Posts: 14
Joined: Thu Aug 03, 2006 8:18 pm

Problem is resolving itself

Post by stevems »

Half way fixed. I just clicked on a "blank" calibration movie, and now I have 2 places after the decimal in my Specificity. Evidently, this occurred at the point where my score would have rounded to 100%.
VM wrote: Calibration Movies Answered Correctly 393
Calibration Movies Answered Incorrectly 2
Your Overall Score: 391
Total Real Movies Viewed: 967
Your Rank: 1058 out of 10654
Specificity: 99.50%
Sensitivity: 99%
I expect that shorly, the Sensitivity will update, too.
Steve
---------------------------------------
Sometimes I wonder why I spend
The lonely nights
Dreaming of a song.
fjgiie
DustMod
Posts: 1253
Joined: Sat May 20, 2006 8:47 am
Location: Hampton, SC, US

percentages

Post by fjgiie »

Hi stevems,

As soon as your Sensitivity updates to two decimal points, you can have fun trying to bring them up. One must need a certain amount of movies to get the two decimal update, don't you think? After 30 or 40 good movies you should see your percentages change, hopefully upward.

It takes around 60 or 70 movies now for my last decimal point to move up one place, that is if I make the right choices on the movies. :)

Thanks,

fjgiie
jcbc
Posts: 65
Joined: Wed Aug 02, 2006 2:10 pm
Location: Pennsylvania, USA

Post by jcbc »

Maybe you have to make a mistake for your percentage to get decimal points? I'm still stuck with none; haven't make a mistake for a while. Or maybe I'll see them when I get through a few more calibration movies. Right now, my percentages should be around 99.4% or so, depending on the exact split (I've made one of each kind of mistake).
VM wrote:Calibration Movies Answered Correctly 352
Calibration Movies Answered Incorrectly 2
Your Overall Score: 350
Total Real Movies Viewed: 550
Your Rank: 1174 out of 10684
Specificity: 99%
Sensitivity: 99%
Happy searching,
JCBC
stevems
Posts: 14
Joined: Thu Aug 03, 2006 8:18 pm

Post by stevems »

It will be interesting to see what happens. Decimal points showed up for me at the exact point when the value would have rounded up to 100%.

I predict your first value with decimal points will be exactly 99.50% in one of your ratings. Shortly thereafter, the other one will go to the same value.
Steve
---------------------------------------
Sometimes I wonder why I spend
The lonely nights
Dreaming of a song.
jcbc
Posts: 65
Joined: Wed Aug 02, 2006 2:10 pm
Location: Pennsylvania, USA

Post by jcbc »

stevems wrote:I predict your first value with decimal points will be exactly 99.50% in one of your ratings.
And right you were! :lol:

Calibration Movies Answered Correctly 387
Calibration Movies Answered Incorrectly 2
Your Overall Score: 385
Total Real Movies Viewed: 601
Your Rank: 1202 out of 11144
Specificity: 99%
Sensitivity: 99.50%

Edit/Update:
Calibration Movies Answered Correctly 402
Calibration Movies Answered Incorrectly 2
Your Overall Score: 400
Total Real Movies Viewed: 620
Your Rank: 1164 out of 11144
Specificity: 99.50%
Sensitivity: 99.51%


JCBC
Belinda
Posts: 14
Joined: Sun Aug 06, 2006 4:08 am

Post by Belinda »

Mine kicked over into decimals as well - yay, can finally 'countdown' to the next percentage point... not that I am a perfectionist or anything...
5 wrong!!! not happy.... :oops:

Your Overall Score: 538
Total Movies Viewed: 1371
Your Rank: 908 out of 11644
Specificity: 99.61%
Sensitivity: 98.62%

But I have to say - thank heavens for Cal movies, the times I have got them wrong it has made me walk away from the computer because I am obviously WAY to tired to be doing a proper job, and I wouldnt have realised without cal movies..
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