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RCAFDM's profile
Random C. Analysis
Random C. Analysis
Random C. Analysis
@RCAFDM

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Random C. Analysis

@RCAFDM

A sporadic data blogger with some heretical, albeit generally sane, views

United States
randomcriticalanalysis.wordpress.com
Joined June 2015

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    1. ortoise‏ @ortoiseortoise Aug 4
      Replying to @ortoiseortoise @SorryToBeKurt @Claudia_Sahm

      seems to me you're not really talking about inferences at all, are you? you want an excuse to say other people's concerns are silly. cool!

      1 reply 0 retweets 4 likes
    2. Kurt Mitman‏ @SorryToBeKurt Aug 4
      Replying to @ortoiseortoise @Claudia_Sahm

      I stand by my original point. Many people make deductive inferences that are not justified by the data presented to them.

      1 reply 0 retweets 0 likes
    3. ortoise‏ @ortoiseortoise Aug 4
      Replying to @SorryToBeKurt @Claudia_Sahm

      maybe what's actually happening is you're construing normal ampliative inferences as deductive. deduction not normally what we do with data

      1 reply 0 retweets 1 like
    4. Kurt Mitman‏ @SorryToBeKurt Aug 4
      Replying to @ortoiseortoise @Claudia_Sahm

      "deduction not normally what we do with data" so we're throwing the scientific method out the window here?

      1 reply 0 retweets 0 likes
    5. ortoise‏ @ortoiseortoise Aug 4
      Replying to @SorryToBeKurt @Claudia_Sahm

      you know what an inference to the best explanation is, right?

      1 reply 0 retweets 1 like
    6. Kurt Mitman‏ @SorryToBeKurt Aug 4
      Replying to @ortoiseortoise @Claudia_Sahm

      Indeed I do. My point is not that people aren't making ampliative inference. It's that they think they're making deductive inference.

      1 reply 0 retweets 0 likes
    7. ortoise‏ @ortoiseortoise Aug 4
      Replying to @SorryToBeKurt @Claudia_Sahm

      but i don't think they do. think that's what you folks are saying as a clever way to deny that aff. action just *is* preferential treatment.

      1 reply 0 retweets 2 likes
    8. Noam‏ @HoustonEuler Aug 4

      The predicted difference from a "basic stats" perspective is 0.15-0.3 sds. See a 1 sd difference in reality. Kurt's tweet was condescending

      2 replies 1 retweet 4 likes
      Random C. Analysis‏ @RCAFDM Aug 4
      Replying to @HoustonEuler @ortoiseortoise and

      Yes, it can be helpful to see illustration of distributions: asians and blacks barely even overlappic.twitter.com/zylJ371QWk

      9:34 AM - 4 Aug 2017
      • 3 Retweets
      • 11 Likes
      • Leonid MacEanric blahblahblah Forbin Project Krzys Emrys Hueless Joe Jackson jay gab.ai/EvanTanner Fantô
      3 replies 3 retweets 11 likes
        1. New conversation
        2. Philippe Lemoine‏ @phl43 Aug 4
          Replying to @RCAFDM @HoustonEuler and

          May I know the source of this graph?

          1 reply 0 retweets 0 likes
        3. Random C. Analysis‏ @RCAFDM Aug 4
          Replying to @phl43 @HoustonEuler and

          oh sorry missed this query before. it's my own plot (unpublished blog post), but derived with data from NLSF http://nlsf.princeton.edu/ 

          1 reply 0 retweets 1 like
        4. Philippe Lemoine‏ @phl43 Aug 4
          Replying to @RCAFDM @HoustonEuler and

          No worries, and thanks!

          1 reply 0 retweets 0 likes
        5. Philippe Lemoine‏ @phl43 Aug 4
          Replying to @phl43 @RCAFDM and

          I didn't know about this survey, but I have a feeling I'm going to spend some time looking at those data...

          1 reply 0 retweets 0 likes
        6. Random C. Analysis‏ @RCAFDM Aug 4
          Replying to @phl43 @HoustonEuler and

          yeah it's interesting (been widely used for papers & books on AA and related topics)

          1 reply 0 retweets 1 like
        7. Random C. Analysis‏ @RCAFDM Aug 4
          Replying to @RCAFDM @phl43 and

          at least some of the data are self report and not very granular (i wish it had granular transcript HSGPA), but still worth a gander

          1 reply 0 retweets 1 like
        8. Random C. Analysis‏ @RCAFDM Aug 4
          Replying to @RCAFDM @phl43 and

          also they don't report which institution is which, but one could probably triangulate which is which fairly accurately :P

          2 replies 0 retweets 1 like
        9. Random C. Analysis‏ @RCAFDM Aug 4
          Replying to @RCAFDM @phl43 and

          speaking of which, some familiar names jumped out at me when I was just reviewing the publications list (cc @KirkegaardEmil and @jfuerst0)pic.twitter.com/YyHH4sfwDq

          1 reply 0 retweets 1 like
        10. 1 more reply
        1. New conversation
        2. stucchio‏ @stucchio Aug 4
          Replying to @RCAFDM @HoustonEuler and

          The bigger the gap is, the more it supports @KiraboJackson point. I just did a quick calculation: if group X is 1 sigma > group Y, 1/

          2 replies 0 retweets 1 like
        3. Random C. Analysis‏ @RCAFDM Aug 4
          Replying to @stucchio @HoustonEuler and

          these are the gaps in scores of the actual students (offered & accepted)

          1 reply 0 retweets 0 likes
        4. stucchio‏ @stucchio Aug 4
          Replying to @RCAFDM @HoustonEuler and

          Sorry did I misunderstand? Are those the actual distributions of students who have been admitted? 1/

          2 replies 0 retweets 0 likes
        5. Random C. Analysis‏ @RCAFDM Aug 4
          Replying to @stucchio @HoustonEuler and

          yes, reported scores of enrolled students at start of freshman year (or something close to that.... been awhile since I looked at this data)

          1 reply 0 retweets 0 likes
        6. stucchio‏ @stucchio Aug 4
          Replying to @RCAFDM @HoustonEuler and

          My apologies. Although @KiraboJackson methodological point is right, it looks like the broader point is wrong. Adequate evidence of 1/

          2 replies 0 retweets 1 like
        7. stucchio‏ @stucchio Aug 4
          Replying to @stucchio @RCAFDM and

          bias appears to exist when looking at marginal students, which is evidence of bias. 2/2

          1 reply 0 retweets 1 like
        8. ortoise‏ @ortoiseortoise Aug 4
          Replying to @stucchio @RCAFDM and

          so you're saying colleges don't go to SCOTUS to defend racial preferences as a theoretical matter, but because they actually use them? wow!

          1 reply 0 retweets 0 likes
        9. stucchio‏ @stucchio Aug 4
          Replying to @ortoiseortoise @RCAFDM and

          I find statistics more interesting than identity politics.

          1 reply 0 retweets 0 likes
        10. 4 more replies
        1. New conversation
        2. ortoise‏ @ortoiseortoise Aug 4
          Replying to @RCAFDM @HoustonEuler and

          i wonder why @KiraboJackson didn't post a graphic like this. probably really frustrated about statistical reasoning, not muddying the issue

          1 reply 0 retweets 0 likes
        3. Tweet unavailable
        4. ortoise‏ @ortoiseortoise Aug 4

          i posted about that too - i agree that's probably #1 in the absurdly false claims about affirmative action

          0 replies 0 retweets 0 likes
        5. End of conversation

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