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@AmeliaMelia-tj3kc
Ай бұрын
best teacher
@netviz8673
Ай бұрын
decision tree for both classification regression here classification. 2 techniqiues. ID3 and CART. In Cart the decision tress spilts into binary trees. a)Entropy and Gini Index(Purity spirit) b) Information Gain(feature decision tree split). To check for Pure split two techniques called Entropy and Gini impurity are used and second technique called INformation gain (how the features are selected) is used. When H(S) is zero then that is pure split. And when H(s) is 1 then that is impure split ie equal distribution (eg 3yes and 3nos). The range of entropy remains between 0 to 1. In impure split the Gini impurity comes out to be 0.5 and in pure split it is 0. So the gini impurity ranges between 0 to 0.5. So in impure split the max value of gini impurity is 0.5 and in pure split it is 0. gini impurity is preferrable over entropy because of involvement of log it may slow down Now if you have multiple features, you use information gain to know how to make the tree using the given features whether which feature will start and which one will follow later. The feature starting with which the information gain calculation comes out to be the most should be the one with which the decision tree should be started.
@jasonbourn29
Жыл бұрын
Thanx sir in Hindi explanations you tend to cover topics better(English vedios are also of far better quality than anyone else)
@harshdeepjaggi9715
10 ай бұрын
wonderful explanation sir.... I'm already enrolled in Data Science with one of the edtech of India... no doubt waha ke teachers bhi accha padhate par jo english mei content hai wo mind mei ek baar mei acche se nhi jaata... ye content hindi wala raise ghus gya mind mei ki bus ab hamesha yaad rhega... Thankyou for your efforts..
@prathameshekal7308
Жыл бұрын
मंडळ आभारी आहे
@pritamrajbhar9504
Жыл бұрын
It is one of the best and simplest explanations till far
@DrZubairulIslam
10 күн бұрын
Thanks Krish, Best Ever Video, Wao.
@patelanjali2909
Жыл бұрын
your teaching skill awesomwe.
@utkarsh5165
5 ай бұрын
Thank you Krish for Crystal Clear Explanation.❤
@RiteshBhalerao-b2v
Жыл бұрын
Great explaination...hard to find anywhere else👌👌
@akashlinganwar4810
Жыл бұрын
hello krish sir... your explanation is easy to understand and anyone can learn easily..thank you sir...😊
@sandeepbehera3605
Жыл бұрын
wonderful explanations sir no one can explain like you...🙏🙏🙏 thankyou..sir😇
@Keep_Laughfing
2 жыл бұрын
Sir aise hi video bnate rhiye apko shayd pta bhi nhi hogaa ki ye aapki kitni bdi help h DATA SCIENCE lovers ke liye. Dil se dhanyvaad 🙏🙏🙏
@Er_IT_prashantjha
4 ай бұрын
Bohot achha explain krte ho Sir aap 👌🏻💯
@sauravsahay8803
5 ай бұрын
You make everything look so easy
@GopalKrishna-p4m
11 ай бұрын
after one an era No one will beat you sir !! incredible explanation thankyou so much sir
@maukaladka4100
2 жыл бұрын
Worth watching😍😍😍
@IrfanSaleem541
2 ай бұрын
Thanks a lot. Love and Respect from Oman
@adityatiwari7287
6 ай бұрын
Awesome Explanation....Thanks A Lot....Keep It Up !!!
@SumitJindal-e3k
Жыл бұрын
That was awesome
@abhiWorldIN
Ай бұрын
Awesome video
@mainakseal5027
Жыл бұрын
what an amazing tutorial...hats off sirji!!!...
@aamiransarii
9 ай бұрын
Many, Many Thanks .....so lovely of you
@ruhiraj9551
Жыл бұрын
Hello Krish sir ..thanku so much 🙏 for a very excellent explanation .
@dhavalsukhadiya8654
5 ай бұрын
great explaination sir
@ketanitaliya9493
Жыл бұрын
Thanks it is really helpful and easy to understand
@krishj8011
4 ай бұрын
nice tutorial
@maths_impact
Жыл бұрын
Wonderful explanation given by you sir in hindi.
@bryan4592
2 ай бұрын
Amazing video sir
@vidvaanwithromi5213
Жыл бұрын
wonderfully explained sir!
@arunchougale5927
2 жыл бұрын
Very Good explained by you .it is lot help me Thank u very much
@jaiprakashsingh756
Жыл бұрын
sir, I really find your videos very helpful. thanks a lot.
@katw434
Жыл бұрын
Thanks sir please continue this series
@SonuK7895
2 жыл бұрын
Very well explained sirjiiii
@tuhinbarai7592
Жыл бұрын
thank you sir..its to understand...
@girishgogate2733
2 жыл бұрын
Thankyou krish sir ........
@jasanimihir4994
2 жыл бұрын
As always Very well explained. I have one query sir. You told that if the dataset is very big then use gini index otherwise entropy is fine. But finding the entropy is must for the information gain as no mention of Gini index in information gain formula. So is it possible to use gini index to find information gain? Kindly throw light on that. 😊
@shaiqmahmood
Жыл бұрын
There is a way to calculate the Information Gain using Gini index as well.
@gurpreetkaur-pf1bf
4 ай бұрын
Amazing ❤
@osamaosama-vh6vu
2 жыл бұрын
Your legend deae sir thank u be happy 😍
@BikashKonwar-w7q
Жыл бұрын
In Entropy formula summation of p(x) * log2(p(x))
@nisho404
9 ай бұрын
in one word bosssss
@mrityunjayupadhyay7332
2 жыл бұрын
Great explanation
@meenalpande
Жыл бұрын
Nice explanation
@anusuyaghosal6961
5 ай бұрын
sir you said H(s) is the entropy of root node but i think it is the entropy of target attribute
@pkumar0212
2 ай бұрын
👌
@maths_impact
Жыл бұрын
Wonderful
@Pankaj_Khanal_Joshi
9 ай бұрын
Sir sklearrn and seaborn ka video banaiye . thank u
@neelkalyani7849
4 ай бұрын
In calculating information gain, can we use gini impurity instead of entropy?
@abhishekbhad4029
8 ай бұрын
Very nice explanation sir.i have one question how to get intership as no one is hiring for fresher
@razashaikh8698
Жыл бұрын
Sir, can we find information gain using ginny impurity?
@sugandhaarora8174
Ай бұрын
is this required for data analyst role?
@VikasSingh-nq5yx
2 жыл бұрын
Sirrrr.... ❤ I have a question 🙋! If interviewer ask a question why we are using minus ( - ) sign in Entropy? Please reply........ ❤
@saranshsehrawat8544
2 жыл бұрын
its formula
@neeraj.kumar.1
2 жыл бұрын
Don't worry they don't ask these types of mathematical formulas. They can ask what is Gini impurity.
@prerakchoksi2379
2 жыл бұрын
wow
@rushikeshwaghmare3446
9 ай бұрын
Sir acc to external sites gini impurity ranges from 0-1
@rushikeshwaghmare3446
9 ай бұрын
Please confirm on this…
@priyanshupokhariya8866
Жыл бұрын
0*log0 is undefined how is it coming 0??
@vatsalshingala3225
Жыл бұрын
❤❤❤❤❤❤❤❤❤❤
@SpectreWarfare
Жыл бұрын
Video volume is very less. It is difficult to listen
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