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On the choice of scaling factor $s$ #2

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zhangtj1996 opened this issue May 21, 2022 · 1 comment
Open

On the choice of scaling factor $s$ #2

zhangtj1996 opened this issue May 21, 2022 · 1 comment

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@zhangtj1996
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@zhangtj1996 zhangtj1996 changed the title On the choice of scaling On the choice of scaling factor s May 21, 2022
@zhangtj1996 zhangtj1996 changed the title On the choice of scaling factor s On the choice of scaling factor $s$ May 21, 2022
@zhangtj1996
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Hi there, nice implementation of the RDC!

I'm curious about the selection of $s=1/6$. I found this selection will resulting in a relatively low rank (<10) of the Phi and Psi. If s is pretty large, the rank will of Phi and Psi will be higher. I'm not sure if this choice is reasonable. As in the random kitchen sink paper, the number of random features should be large to make the upper bound small.

Are there any guidelines for the choice of $s$?

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