MoL Discussions

Latest discussions in the Method of Levels Section in Discourse

  • by @bnhpct Bruce E. Nevin
    This reverberation from 1979 is very nice to see, Rick. Thanks! You go directly to the problem that becomes more acute the higher we go in the hierarchy in the search for controlled variables: identifying “variables … which someone looking at this research might find interesting.” Bill’s first response to this goes only as far […]
  • by @rsmarken Richard Marken
    I stumbled upon some correspondence between Bill Powers and myself that we had back when I first got into what was then called CT Psychology (CTP). I stored the letters in a room that developed a water leak (a problem back when it used to rain in LA) and some of the letters were damaged […]
  • by @rsmarken Richard Marken
    amatic: rsmarken: So throwing out data (by filtering) ensures that you you have a real phenomenon rather than a statistical artifact? Interesting. Yeah, anything higher than 10Hz is probably measurement noise, or similar artefact, and it is important to remove it. Nothing controversial there. Given the rather dramatic effect of filter cut off on the […]
  • by @rsmarken Richard Marken
    EetuP: RM: Possibly, but that has nothing to do with the relationship between ice cream sales and murder rate being a statistical artifact. What causes the rise in both ice cream sales and murder rates? Isn’t it the rise of the temperature? Temperature is probably only one of the variables that affects that relationship. There […]
  • by @amatic
    rsmarken: So throwing out data (by filtering) ensures that you you have a real phenomenon rather than a statistical artifact? Interesting. Yeah, anything higher than 10Hz is probably measurement noise, or similar artefact, and it is important to remove it. Nothing controversial there. If you find relatively strong power law from an unfiltered trajectory, it […]