https://secure.csse.uwa.edu.au/run/help3401?p=np&rss=y
help3401 - Calculating info gainhelp3401 - Calculating info gainhelp3401https://blogs.law.harvard.edu/tech/rssThe University of Western AustraliaSun, 07 Jun 2020 14:55:36 +0800Sun, 07 Jun 2020 14:55:36 +0800Re: Calculating info gain
https://secure.csse.uwa.edu.au/run/help3401?p=np&a=243
https://secure.csse.uwa.edu.au/run/help3401?p=np&a=243Mon, 01 Jun 2020 20:27:16 +0800"Zeyi Wen" <zeyi.wen@uwa.edu.au>Sounds good. I am great that you persist on the problem, and figuring out the solution on your
own--a crucial skill.
Re: Calculating info gain
https://secure.csse.uwa.edu.au/run/help3401?p=np&a=242
https://secure.csse.uwa.edu.au/run/help3401?p=np&a=242Mon, 01 Jun 2020 16:23:14 +0800ANONYMOUSnever mind I had done something wrong in a different part of the equation that wrecked it,
the 0 values had nothing to do with it.
Calculating info gain
https://secure.csse.uwa.edu.au/run/help3401?p=np&a=241
https://secure.csse.uwa.edu.au/run/help3401?p=np&a=241Mon, 01 Jun 2020 15:56:37 +0800ANONYMOUSHi,
When calculating info gain by hand, how do we deal with calculating the entropy for
data that has 0 yes or no values? If I enter a 0 when calculating the log2, I end up
with a math error on my calculator and then can't move forward in the calculations?
For example in the 2019 paper, there are 0 youth that buy computers, and 0 middle aged
not buying a computer. When I use this to calculate the entropy of these I get math
error. Is there something I've missed?