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I am wondering how did they get the $19200$ possible configurations? Like, $5^6 = 15625$, where $6$ is the number of hyper-parameters:

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ps: just to check I'm doing the righ thing. Is this okay? The formula is $[a,b]: b -a + 1$. So in the second screenshot, the total number would be $31 \times 71 \times 71\ \times\ 9 \times 9 = 12.657.951$ possible configurations?

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enter image description here

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1 Answer 1

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Each hyper parameter listed has $5,5,6,4,4,8$ different values listed. If multiplied, total number of combinations make $5\times5\times6\times4\times4\times8=19200$.

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  • $\begingroup$ Thank you very much! They are including the values from the extremes i.e., [2,7], 2 and 7 are included. $\endgroup$
    – Stephen
    Nov 23, 2019 at 19:35
  • $\begingroup$ Yes, typically brackets $[,]$ means the boundaries are included. $\endgroup$
    – gunes
    Nov 23, 2019 at 19:36
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    $\begingroup$ Yes, that's the correct formula. $\endgroup$
    – gunes
    Nov 23, 2019 at 19:55
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    $\begingroup$ Check the updated OP. I added another screenshot $\endgroup$
    – Stephen
    Nov 23, 2019 at 20:20
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    $\begingroup$ It's always good to be able to reduce the number of possibilities, or ranges if you have continuous variables. Bayesian HPO can do better in short time if you do. $\endgroup$
    – gunes
    Nov 24, 2019 at 20:12

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