Tutorial 47- Bayes' Theorem| Conditional Probability- Machine Learning
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- เผยแพร่เมื่อ 4 ก.ย. 2024
- In probability theory and statistics, Bayes' theorem describes the probability of an event, based on prior knowledge of conditions that might be related to the event
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Guys just a small change int he formula p(b|a)= p(anb)/p(a) .please consider this change
Yes
Nyc video. ...
yeah.. Saw that in the video... was about to tell... kudos!
Well explained....👍
Sir are u from south side?
Sir does bayesian theorem uses marginal probability??
@ 4:05, it should be probability of A event as 2/5 (bcoz you have defined A to be the event where you get black marble)
@ 6:15, in the formula in the denominator it should be P(A)
Also one small thing which should be mentioned is that in Bayes theorem the events must be mutually exhaustive (that is the whole sample space is partitioned into events)
Yes u r right
@@krishnaik06 👍, thank you sir, you are really doing a tremendous work.
P(B|A) = P(A INT B) / P(A)
@@krishnaik06 please flash the text in the video. mentioning it as a correction. Tq.
Please explain what mutually exhaustive means? The explanations on the internet are very confusing.
Seen lot of lectures of your sir. But writing it first time, sorry took time for commenting, but thought guys like you must be appreciated for your efforts and helping data scient enthusiast without any cost. You make things very simple to understand and to the point. Appreciate sir. Really...thank you
Your are the man, you such a gem in youtube thanks brother for the video
Thanks, It's a good explanation; but I think the reference of P(Event A) and P(Black) is slightly confusing.
Bro , literally i m searching this kind of comment that only i m confusing in this or any other guy 😂. Explanation is good but I m fighting with my mind to understanding the difference between P(Balck) or P(Event).
How did you know that I was searching for this? I was just searching for this topic on youtube, and at the same time, youtube notified me that you have uploaded a video on it.
Glitch in the matrix, I guess?😂
The same thing has happened with me also, a lot of times.
Very informative . I am very thankful to you .. You are source of inspiration for students and working professionals . I have been following your channel for quite long time. Pls make video on maths intuition on gradient boost and Xgboost . Your ML playlist has video on ADaaboost but not on former two . Thanks again for your selfless efforts 🙏🏻🙏🏻
Preeti Bhatt plz share yours email id
In 6:46 you took p(b/a) =p(anb)/p(b). , But later at 7:30 while deriving, your taking p(a/b) =p(anb)/p(b). That's a mistake. You actually changing the formula.your wrong there.
U really deserve to be good teacher
Good Video. Bayes theorem simplified
INTRO was dope bro....👍👍☢️
Thank you sir!
It's clearly visible that you are really teaching by heart!
What is that supposed to mean?
Sir, please make a video on Gradient Checking and Adam optimizer in the Deep learning playlist. Me and most of my friends are waiting for that.
Adam Optimizer! I agree
Thank you. I understood this today only
I'm new on seeing this video
I like the way of u r teaching sir
This video is amazing, incredibly helpful.!!!!!!!!!!!thank youuuuuuu
thnak u so much sir ur teaching is so clean i am so satisfied watching this
Hello sir. Your all lectures are very helpful and understanding. Thank you for making such tutorials.
I love u seriously..u r the best
Much informative❣️...will recommend your videos to our students also.
Hi Krishna, I have been following you since last year. Your videos are very informative, concise and helpful. My comment is not related to this particular video but in overall. I do have a request to you for a video answering the following question: how the cost function for logistic regression differs from the cost function used for typical linear regression. In both cases how does the calculation of parameter values depend upon finding the minimization of the cost function?
Very well explained. Thank you.
but both events are dependent why did you perform p(A intersect B ) ??? ... event A and B multiply if both are independent ??
Great video, Krish! Explained much better than by my well paid lecturers :)
Excellent way of teaching Sir
Oh man, you are really awesome. I just came across to your videos and found it very easy to learn. I like that you have created short videos for each and every topic which is way easy to learn. I really appreciate it Sir. amazing work. Subscribed and liked it... will continue to do so and I hope you will be teaching us.. Thanks you Sir Naik.
Thanks for this video krish.... Can u please make one video explaining terms like Maximum likelihood estimation, Log of odds, logit function...plzzz
Great explain sir. It is very helpful to me.
Thanks a lot dear sir love u
Incredible teaching
....
Love the new intro! Did you make it yourself?
Big fan
everything got messedup because of the naming convention, point - A, B are events, try with different names , so it won't get mix with P(B) which is probability of getting a black ball.
ps - rest everything is very smooth, thankyou so much sir for the video xD.
Hi Krish ,
It is good explanaton.
But i think as you showed one example of conditional probablility, Same way one example could be added on Bayes' theorem (Which also called reverse probablility)
Thank you sir
Great explanation Krish.Thanks
Thank you so much
Bro can you make the playlist for all tutorials and for mathematics for ML/DS
excellent explanation.
this guys intro is FIREEEEEE
Lovely explanation bro ! Thank you !
excellent explanation
Eagerly waiting for next one..
Very thank you sir 🙏🏼
Krish, Thanks for sharing. Can I some information about how should I choose an best algorithms before the start of machine learning. What sort of things I have to evaluate before working with an algorithm
Super sirrr😎
Really helpful! Thank you❤
Well explanation bro.
Hey please upload videos on SVM & Hinge loss.
Awesome job Krish.... Nice to see your videos... Great Work...
Remember me from PUC , Philos?? :D
:) how have u been
@@krishnaik06 great bro... very nice to see your videos dude.. nice work 👏
Thanks @faaran
New intro 👍
Sir i am also waiting for SVM video please upload it
Good explanation though there are some mistakes. Like the formula you give 1st and telling intersection as 'and' and later as 'or'
Probability of Black P(B) is getting confused with Probability of event B. P(B)
th-cam.com/video/v938yj5r3pA/w-d-xo.html
Can you also please explain Bayesian regression models?
When can you teach on Bayesian Neural Network please?
Sir conditional expectation also please
What is difference between conditional probability and bayes theorem.
Excellent...
Awesome sir
Sir please help me in understanding that ... P(B) event that is 1/4 when there is 1 black marble out of 4. And P(B|A) is also the same scenario when A event has occurred and we r having 1 black marble out of 4 marbles. Then how we will differentiate between the two. As we have done P(A)*P(B)=2/5*1/4=1/10
P(A intersect B) = P(A).P(B) only when events are independent.
Here events are dependent.
@@asn9329 but here P(A n B) = 2/5*1/4 =1/10 is done.
Sir mechanical can do data science
In 5:00 min, did you mean the b in p(b|a) as event or probability of picking up a black ball?
I have a confusion in while solving an example since we were using bag of words we get some probabilities for each word in that stuff Sir, please clear me that with an example how it works plz
Watch my video on Baye's theorem to apply Baye's theorem without formulae
What is the best data science course or certificate out right now? Nice video btw
Coolest Intro I have seen in a while!👍🏻🙏🏻
It ripped my ears
Hey Krish I have a problem
I am using a large dataset and it takes hours on my laptop
When I use Google colab it keeps on disconnecting after something
Any suggestions
Use R
really goooodddddddddddd
there is no such thing as dependent events merely because something depends upon other unless it has some meaning . Even to be called for independent there should be something to be depend on. i mean you can not put the demarcation between dependent and independent. even dependent events use the independent theory (multiplication theory). for example, a man of eighty has less chance of surviving than a healthy young man. probability is dependent on his age. but the probability of his infatuation of woman is likely to be same even though chance of infatuation depends on his age(in this case). while computing this probability (infatuation) you use the independent formula to the dependent one. for the sake of linguistic purpose, yes you can. people have misunderstanding about it. independent events is mathematical but dependent is just a word in English. i have never seen any book quoting about the dependent event.
6:26 is wrong. It should be p(B|A) = p(B n A)/p(A) not p(B|A) = p (A nB)/P(B)
Hi, Krish. Are you removed the NLP playlist ?
It is getting revamped it will be upload in a week
In fact, be very careful with the explanation made, is a good one but, Krish, unfortunately, used the same laters in "even B" and probability of taking a black p(B), their fore in his explanations sometimes he uses p(a) = probability of occurring the event A, (min 6: 25), the p(B)= 2/5 is for him the probability of occurring the first event, taking a black (B) = event A.
Intro 🔥 🔥
it tricky as to how you define p(A|B).....we know P(B|A)...but we do not know what P(A|B) means with respect to picking black marble.
Whatever already happened will come in the denominator. P(B|A) = P(AnB)/P(A). Here P(B|A) means (probability of B given that A already happened) th-cam.com/video/v938yj5r3pA/w-d-xo.html
I am waiting for SVM for classification and regression...
Sir, SVM Kernel Intution video is not available on your youtube channel.
Tqq ❤️ a lot ❤️
You should edit the video where it is acclidly wrong.it is. Confusing.
Plz upload support vector machine
Can i say that, always - conditional probability is the probability of dependent events ?
Yes
th-cam.com/video/v938yj5r3pA/w-d-xo.html
This is confusing. He says that P(B|A) is 1/4. But for him event A is taking a black, and B is taking another black. Shouldn't it be P(A|A) = 0.25. Very confusing.
the problem i find in this lecture is that , the Black B and Event B make us confuse
Watch my video on Baye's theorem to apply Baye's theorem without formulae
at 7:10 you are saying P(B/A) = P(A intersection B)/P(B) but at 7:25 you have written just opposite, which one is correct ?
P(B|A) = P(A INT B) / P(A)
picking two times black, first without condition (P(A)), second times with condition (P(B|A))
nice
It's always good to learn something new. However, when will I really use statistics? Simple themes of math such as addition and subtraction multiplication division etc. I use almost everyday.
it will probably never be used in daily lives, but this particular video was in series of Machine learning video series, where you had to work with large data.
Pls reduce the volume of intro bgm
Engineering?????
intro music name ?
It's 1/5
dont get nervous baby
You did nothing but confused the theory
Your math is WRONG!
wrong padhra lge ho
Thank you sir