COUNTIF in DAX going haywire?

Question

Hey folks. Have been bashing my brain on a problem and tried multiple help posts' solutions to no avail.I've have a fairly chunky set of data from a quiz (600k+ rows).&nbsp;Each question has a [questionID] so we know which question is which.Each user that takes the test has a [userID].If they get a question right [answer-score] column is 1.&nbsp;If they get a question wrong [answer-score] column is 0.&nbsp;I want to get:&nbsp;a) a total of all questions answered (easy enough - a&nbsp;COUNT of all [answer-score]b) a total of all questions answered wrongc) a total of all questions answered right&nbsp;It's the last two that are foxing me.&nbsp;So far I have: created a new 'measure' thus:Wrong = CALCULATE(COUNT('public test_records'[answer_score]),'public test_records'[answer_score]=0)&nbsp;That didn't work. I got, randomly... "33" as the answer. From 600k+ rows of data? Unlikely... even plain wrong (I counted more than that myself).&nbsp;:smileyvery-happy:So I tried:&nbsp;Right = CALCULATE(COUNT('test_records'[answer_score]),FILTER('production test_records','production test_records'[answer_score]=1))That gave me "50". Nice round number but again... "what the?"Close to gnawing my keyboard. Grateful for any help. What am I missing? Oh for Excel and COUNTIF!&nbsp;:smileylol:

jthomson · Answer

Don't think I've ever used count, I'd just use countrows here. Make a measure Answered similar to your first one for your all questions bit, then for each of your right/wrong things, make a measure Right=&nbsp;calculate([Answered],[answer-score]=1) and similar for wrong answers

greg_deckler · Answer

Sample data would assist tremendously. Are you sure there is no other context filters going on that would make the measure end up with those numbers?

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