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how i select feature from four different weight technique
fatimidveil
hi everyone hope you all are doing fine .
i am working on my thesis . i apply 4 feature selection techniques such as weight by information gain ,weight by information gain ratio ,weight by Gini index ,weight by Chi sqaure .
And Every technique rank, feature in different order .
what should i do now , how i figure out the best feature from these so that i have to apply my algorithm to find result .\
waiting for your reply
thanks
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lionelderkrikor
Hi
@fatimidveil
,
If you want to have average of them for each features, you can take a look at the sample process called "
Predictive Maintenance
"
and especially to the "step 2" of this process : The subprocess called "
determine influence factors
".
Hope this helps,
Regards,
Lionel
All comments
fatimidveil
am using 4 operator(weight by Information Gain, weight by Information Gain Ratio, weight by Gini Index, weight by Chi Square). then i need to have average of them for each features.
lionelderkrikor
Hi
@fatimidveil
,
If you want to have average of them for each features, you can take a look at the sample process called "
Predictive Maintenance
"
and especially to the "step 2" of this process : The subprocess called "
determine influence factors
".
Hope this helps,
Regards,
Lionel
fatimidveil
thankyou fro your response and if i want to retrieve best feature from these 4 different criteria . is this possible ?
because individually information gain ratio has rank different feature then information gain gini index and chi sqaure
fatimidveil
i want to collect best features from information gain information gain ratio gini index and chi sqaure collectively .
fatimidveil
thank you Sir my problem is solved with your help thanks alot
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