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Chaosanator

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Posts posted by Chaosanator

  1. It was a pleasure to deal with Matt. He posted a wanted advert on here, and after exchanging just a couple of messages we had agreed a deal. Payment was extremely prompt with all the info provided for postage - the transaction couldn't have been any smoother! 

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  2. If you decide to run a similar trial later down the line, please may I suggest seeking advice from a statistician before conducting and even designing the trial. They will be able to help design the experiment so that it delivers useful data from which they can make meaningful inferences. Asking for help from a statistician after the experiment has been conducted may be too late.

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  3. Indeed with just one experiment you are unable to properly distinguish between types A and B. Run the experiment 10 times (or ask them to answer on 10 independent audio samples) then the probability that someone of type A guesses correctly for every sample is less than 0.001. Type B people never make mistakes, so if someone answers correctly on all 10 samples then the probability that they are of type B is at least 0.999.

  4. Suppose that the population consists of only two types of person:

    - type A has no skill, and therefore guess correctly with probability 0.5

    - type B has full skills, and therefore answers correctly with probability 1

    then after a single experiment that resulted in 75% correct scores you'd expect that 50% of your population is type A and 50% is type B.

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  5. If 75% of people answered correctly, then you can say that an average person has skill level 0.75 (whatever that means); i.e. the probability that a randomly chosen participant answered correctly is 0.75. This is about as much as you can say if the prior skill level distribution is uniform across all participants.

     

    If you start with a different prior distribution, for example 90% of people have skill level 0.5 and 10% have skill level X, you will be able to calculate what X is for a given experiment result Y (in expectation).

  6. Does anyone here have tips for playing an electric guitar through the Fender rumble studio 40? 

     

    I have an electric guitar that I play infrequently, perhaps once a year. I'm thinking of selling the guitar amp because it takes up valuable space. Could I get a reasonable tone if I plugged into the rumble studio 40? It would only be to play at home along to some music, most likely heavy metal. 🤘

     

    Does anyone have any recommendations or presets for playing guitar through the studio 40?

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