Bayes' Theorem, Clearly Explained!!!!

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  • Опубликовано: 27 ноя 2024

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  • @statquest
    @statquest  2 года назад +19

    Support StatQuest by buying my book The StatQuest Illustrated Guide to Machine Learning or a Study Guide or Merch!!! statquest.org/statquest-store/

    • @25BDominique2021
      @25BDominique2021 2 года назад +2

      I just ordered mine. It should be here tomorrow 🥳🎉

    • @statquest
      @statquest  2 года назад +2

      @@25BDominique2021 BAM! :)

    • @veeek8
      @veeek8 Год назад +1

      Just did! Because you are a genius and I finally understand Bayes Theorum!

    • @statquest
      @statquest  Год назад

      @@veeek8 HOORAY! Thank you very much! :)

    • @rudraksh111
      @rudraksh111 9 месяцев назад +1

      Grateful to your animation team kudos to you and your team . You are basically changing the way school and education system worked for more than 150 years.😊😊

  • @alexcastillo8507
    @alexcastillo8507 2 года назад +172

    Can’t believe I bought three books to figure out what was show to me in two RUclips videos. Fantastic job good sir. Love the content and just became a subscriber.

    • @statquest
      @statquest  2 года назад +13

      bam!

    • @txreal2
      @txreal2 2 года назад +6

      I minor in math in college 20 hrs ago and forgot almost everything. This channel makes everything so simple. Thanks Josh!

    • @statquest
      @statquest  2 года назад

      @@txreal2 Thank you!

  • @johnwig285
    @johnwig285 3 года назад +46

    Josh...you have no idea how life changing ur channel is in my journey of exploring data science

  • @hemm2333
    @hemm2333 Год назад +31

    One of the best key points to take is the longer form of representation of conditional probability. Never seen this explained in such great and easy detail than here. The longer notation makes everything so easy and simple to understand. You've a great talent to make the subject easily comprehensible for everyone. No other video in RUclips has put this concept in such a simple way to understand. Thanks & Triple Bam....❤

    • @statquest
      @statquest  Год назад +1

      Thank you very much! :)

  • @hannaabe5188
    @hannaabe5188 3 года назад +74

    one stat quest video a day keeps the failures away! Thanks Josh for the awesome content as always :)

  • @bin4ry_d3struct0r
    @bin4ry_d3struct0r Год назад +5

    This is a much more intuitive explanation of Bayes' Theorem than the one I first learned with terms like hypothesis, evidence, prior and posterior.

    • @statquest
      @statquest  Год назад

      Thank you! :)

    • @mohammadidreesbhat1109
      @mohammadidreesbhat1109 Месяц назад

      My prior knowledge was confusing after watching this video my Posetrior knowledge is BAM

  • @riorvall
    @riorvall 3 года назад +13

    Just yesterday I was looking to refresh my knowledge on Bayes theorem when I saw this video appear on my feed. Thank you StatQuest! Best way to learn and review statistics!

    • @statquest
      @statquest  3 года назад

      Thank you very much! :)

  • @akashkewar
    @akashkewar 3 года назад +85

    I am an Indian and I love soda, but I love StatQuest more

    • @statquest
      @statquest  3 года назад +29

      Triple bam!!! :)

    • @THEMATT222
      @THEMATT222 2 года назад +4

      @@statquest Noice 👍 Doice 👍 Ice 👍 you BAMed Throice 👍

    • @heartless1160
      @heartless1160 2 месяца назад

      But I love candy bhai 😼

  • @范姜-d1q
    @范姜-d1q Год назад +4

    Thank you! I didn't understand Bayes while I was studying in high school. Now I understand it! Your explain is so clear!

  • @mastadodo
    @mastadodo 2 года назад +12

    I really like your videos so far, you are explaining everything enough in detail without making the videos longer than necessary. The clean animations and speaking are also godsent!

  • @misterbennnn
    @misterbennnn 2 года назад +1

    I went headfirst into a grad school cryptography class with zero knowledge of anything math related past high school, and this has helped me out a lot. Thank you!

  • @audaxxion
    @audaxxion Год назад +1

    After this video, I wouldn’t say I understand because this is the first time I dove in this topic, but now I certainly have the idea and I’m fascinated! Great video

  • @TheRonakagrawal
    @TheRonakagrawal 3 года назад +7

    Don't know how many ppl relate to it.. but unnecessary optimisations to notations has really screwed up the learning/understanding of concepts. A concrete example is @03:08
    This was so spot on!!!

  • @danief929
    @danief929 2 года назад +2

    You are amazing! I was not understanding Bayes theorem no matter how I look at and now, after watching the video, I completely understand

  • @pedrazzinig
    @pedrazzinig 11 месяцев назад +2

    The "slightly" redundant notation is very important and I do agree that it deserves to be there/used. And, the/your explanation is excellent. Thank you.

  • @exoticcoder5365
    @exoticcoder5365 Год назад +3

    12:35 it’s tricky, meaning the same thing but with different words, thanks Josh for making it clear

    • @statquest
      @statquest  Год назад

      Thanks! That was probably the most confusing part of Bayes' Theorem when I learned about it on my own.

  • @mohammadidreesbhat1109
    @mohammadidreesbhat1109 Месяц назад +1

    In most of the cases, what they teach , formulation and nothing else. This video teaches formulation as well as intuition. Great explanation Stat quest. I must say Tripple BAM

  • @theFriendlyGhst
    @theFriendlyGhst 2 года назад +2

    You're notes about notation really helped me. I think that's where I got confused before seeing this.

  • @alialnaghipour7787
    @alialnaghipour7787 Месяц назад +1

    unpopular opinion:
    i think the redundancy you use in equations are making it more complex,but the explanation is awesome!

    • @statquest
      @statquest  Месяц назад

      Your opinion is actually the popular one, and mine is the unpopular one. Most people write out the equations without the redundancy.

  • @josevaldes7493
    @josevaldes7493 3 года назад +2

    I´m a statistics student from Colombia and I want to tell you Your channel is awesome man. keep it this great job. Thank you. again Googleplex BAM!

    • @statquest
      @statquest  3 года назад +1

      Glad you like StatQuest!!!

  • @shae6557
    @shae6557 Год назад +2

    I was struggling to understand Bayes Theorem in my biostats class and this video explained it so well. Thank you Josh!

  • @gyulboxing
    @gyulboxing 2 года назад +13

    I believe your videos on RUclips could make great substitutes for many of stats course content in universities around the world!

  • @auzaluis
    @auzaluis 3 года назад +5

    Only God knows how much I love this channel

  • @reakal7740
    @reakal7740 3 года назад +17

    Right on time 😊 I started studying conditional probability and Bayes' rule just yesterday! Thanks StatQuest!!

  • @fernunez2131
    @fernunez2131 2 года назад +1

    This videos help me a lot to understand the concepts, and then when I read the 'technical' definition I don´t get scared. DOUBLE BAM!

  • @johnbarbuto5387
    @johnbarbuto5387 5 месяцев назад +3

    I'm not a fan of the "bam" technique; but, in my opinion the explanation is actually clearer, and more easily connected to real-world examples, than other videos which seek to explain Bayes' Theorem. Thank you! (Liked and subscribed. Will be looking at other videos of StatQuest.).

    • @statquest
      @statquest  5 месяцев назад +3

      Thank you, but brace yourself for a whole lot of bams! ;)

  • @akagordon
    @akagordon 3 года назад +13

    I really like where this is going.

  • @lashlarue7924
    @lashlarue7924 2 года назад +1

    You are such a great teacher. Any uni should be bending over backwards to put you on tenure track just for the clinical brilliance alone.

  • @HeyRemy
    @HeyRemy 2 года назад +4

    That intro is worth the price of admission alone. Thank you for making this; just subscribed!

    • @statquest
      @statquest  2 года назад +1

      Awesome! Thank you!

  • @txreal2
    @txreal2 2 года назад +1

    I minor in math in college 20 hrs ago and forgot almost everything. This channel makes everything so simple. Thanks Josh!

    • @statquest
      @statquest  2 года назад

      Thank you very much! :)

  • @tijmentans5174
    @tijmentans5174 2 года назад +1

    rn studying already really long, but your videos make it doable. Thanks

  • @involuntaryoccupant
    @involuntaryoccupant 3 месяца назад +1

    if i ever become a professor (this is my dream), i will definitely recommend your videos for my students. your videos helped me sooo much on soooo many courses. currently doing my bachelors, wish me luck! thank you statquest!

    • @statquest
      @statquest  3 месяца назад

      Good luck! BAM! :)

  • @Iron-Bridge
    @Iron-Bridge Год назад +1

    I wish you were my lecturer in school and uni. Your material and presentation is that good 👏

  • @escape0707
    @escape0707 3 года назад +1

    At 3:05, I immediately endorsed the video and went to watch the previous video.

  • @SaintSaint
    @SaintSaint 3 года назад +3

    Wow. Thank you so much! I'm not doing anything with Bayesian probability.... but this was so good I had to watch it through! Subbed. I knew how to get a degree of belief and check it... but I didn't know WHY until your video and the "why" is so important.

    • @statquest
      @statquest  3 года назад +2

      Glad you enjoyed it!

  • @AkshatKalra-gw5cx
    @AkshatKalra-gw5cx Год назад +1

    Everyone should watch your videos, loved this derivation of the Bayes theorem !
    I wish I'd find you sooner.

  • @whateew
    @whateew Год назад +1

    Studying philosophy of probability, this vid was a massive help for understanding logical theory type stuff !

  • @nemeziz_prime
    @nemeziz_prime 3 года назад +6

    Your explanations and animations are simply BRILLIANT 😍

  • @ankithguzz
    @ankithguzz 3 года назад +4

    I have been waiting for your video on Bayes theorem! So excited :)

  • @LucasMoratoAraujo-v1n
    @LucasMoratoAraujo-v1n 10 месяцев назад +1

    Greetings from Brazil. You are simply a legend, mr. quest. Love the content and the dorky intros! Thank you for everything! ❤

    • @statquest
      @statquest  10 месяцев назад

      Muito obrigado!!! :)

  • @davenport8
    @davenport8 8 месяцев назад +2

    StatQuest RULES

    • @statquest
      @statquest  8 месяцев назад +1

      BAM! :)

    • @davenport8
      @davenport8 8 месяцев назад +1

      @@statquest just bought one of your books, great work and very appreciated 👍

    • @statquest
      @statquest  8 месяцев назад +1

      @@davenport8 TRIPLE BAM!!! Thank you very much!

  • @koryhardcastle81
    @koryhardcastle81 Год назад +1

    I started this video and instantly jumped to subscribe. I love stats and you are the BEST at teach stats! Had to come back and comment just to make sure you know it :)

  • @elliotyip9844
    @elliotyip9844 Год назад +1

    Small bam? No. TRIPLE! Thank you for explaining the logic behind Bayesian statistics so clearly.

  • @joaomcarmo
    @joaomcarmo 3 года назад +6

    This might be one of the best things on YT.

    • @statquest
      @statquest  3 года назад +3

      Wow! Thank you very much! :)

  • @Emundadhu
    @Emundadhu 3 года назад +3

    Bam is back

  • @kwstantinaparadisopoulou7569
    @kwstantinaparadisopoulou7569 3 года назад +2

    This is the best channel for data science!!

  • @mikaelbergman2093
    @mikaelbergman2093 3 года назад +8

    Josh, you need to make hoodies and T-Shirts with Statsquach on. It wold be wery funny!

    • @statquest
      @statquest  3 года назад +3

      That's a great idea!!! YES!!!! If I do, I'll send you one. BAM! :)

    • @mn.v.3447
      @mn.v.3447 3 года назад +1

      Duuuude, i want one

    • @nonamenoname1942
      @nonamenoname1942 3 года назад

      Sorry, I prefer... TRIPLE BAM!!!

  • @FengyuanHu
    @FengyuanHu 10 месяцев назад +1

    Dear Josh, your videos are super fun to watch and learn as well as your book, hope you have a chance to revisit the idea of making a series of Bayesian Statistics in 2024. Triple KUDOs to you.

    • @statquest
      @statquest  10 месяцев назад

      That would be awesome!

  • @szemingkoi6927
    @szemingkoi6927 3 года назад +4

    thank you, Josh! always had a hard time with stats and bayes' theorem

    • @statquest
      @statquest  3 года назад

      Glad I could help! :)

  • @jonathanbernardo3833
    @jonathanbernardo3833 3 года назад +3

    Josh!! Thanks a lot, I love your videos :)
    Please show us the hypothesis testing in Bayesian perspective.
    Looking forward to more videos with Bayesian statistics.

    • @statquest
      @statquest  3 года назад +4

      That's the plan. Unfortunately I have to write a book on machine learning first. However, as soon as finish the book I'll do a whole series on Bayesian statistics.

    • @jonathanbernardo3833
      @jonathanbernardo3833 3 года назад +3

      @@statquest double bam!! Looking forward for your book also

    • @LQNam
      @LQNam 3 года назад

      @@statquest Reveal something about your book, please!

    • @statquest
      @statquest  3 года назад +3

      @@LQNam I've got about 70 pages done, and in two weeks I'm going to work on it full time until it is done.

  • @badrinathsvn8634
    @badrinathsvn8634 3 года назад +3

    Today on wards, I am going to be one of your virtual students through out my life...

    • @statquest
      @statquest  3 года назад +2

      bam!

    • @tamuman93
      @tamuman93 3 года назад

      @Badrinath SVN - I see what you did there. Clever ;)

  • @nikitasinha8181
    @nikitasinha8181 2 года назад +1

    U sing really well brings smile on face before setting mood for lecture

  • @adeoyeoladipupoibrahim3066
    @adeoyeoladipupoibrahim3066 2 года назад +1

    You are great.
    You are really helping build a great future for a lot of people

  • @shillawolf4686
    @shillawolf4686 2 года назад +1

    I have an exam tomorrow and there is a big chance this is comming back and i didn't completely get is so this really helped :D

    • @statquest
      @statquest  2 года назад +1

      Hooray! Good luck with your exam! :)

    • @shillawolf4686
      @shillawolf4686 2 года назад +1

      @@statquest Thank you sir, your videos were a great help to me and other students from my course ^^

    • @shillawolf4686
      @shillawolf4686 2 года назад +1

      @@statquest Good news, i passed :D With a 6/10. There were a few questions in there about random forest and PCA etc, and i was able to clearly explain it thnx to your videos. I now have machine learning and your videos are agian a great help. You channel trully is a gold mine for people who need to learn statistics ^^

    • @statquest
      @statquest  2 года назад +1

      @@shillawolf4686 Congratulations!!! Triple BAM!

  • @The_Bri_Cli
    @The_Bri_Cli 2 года назад +6

    Hey Josh. This is a great video. You and Brandon Foltz should collaborate. Suggestion: A video applying Bayes Theorem to a continuous dataset would be very interesting.

    • @statquest
      @statquest  2 года назад +4

      I hope to do a full series on Bayesian Statistics as soon as I can.

  • @sandeepsingh-ly9nh
    @sandeepsingh-ly9nh 3 года назад +1

    Watching statsquest is like quench your thirst with glucose water. ✌️✌️

  • @yashvora3099
    @yashvora3099 2 года назад +1

    Great video. Struggled to understand this all my life. I am from India and we LOVE soda.

  • @ad2181
    @ad2181 2 года назад +1

    Thanks for showing the omission in the equation.

  • @RO-gf7je
    @RO-gf7je 3 года назад +3

    You are a blessing to humanity!

  • @oliveros9
    @oliveros9 3 года назад +2

    This is the best explanation on Bayes' Theorem ever!
    However, It is so difficult for me to use the kind of basic examples that ilustrates the theorem, for the particular task of analyzing differential gene expression between samples. There are available several "bayesian methods" to analyze gene expression changes and I can not understand the relationship of these methods with the theorem's formulation based on conditional probability.
    I am looking forward to see the upcoming videos on the subject. Would you please dedicate some of them to such practical applications of the Bayes' theorem?
    Thanks a lot!

    • @statquest
      @statquest  3 года назад +4

      Yes, that's the whole idea of Bayesian Statistics and that is what I want to cover in the follow up videos. Unfortunately I have to write a book about Machine Learning first. However, as soon as that is done I'll make the videos about Bayesian Statistics.

  • @Lemurai
    @Lemurai Год назад +1

    Statsquatch 😂😂😂boy I have to take my hat off to this guys creativity.

  • @OwenMcKinley
    @OwenMcKinley 3 года назад +16

    Thank you, Josh! An excellent 'Quest, indeed 😊

    • @statquest
      @statquest  3 года назад +1

      Glad you enjoyed it!

  • @GoddamnAxl
    @GoddamnAxl 11 месяцев назад

    I know this might be a new viewer thing, but BAM definitely makes bayes theorem more clear to me

  • @profh9382
    @profh9382 3 года назад +2

    Beautifully explained, finally, I get Bayesian. Bam 💥 💥

  • @yiangseng
    @yiangseng 3 года назад +1

    Unbelievably amazing. Thank you very much for making this channel.

  • @chadx8269
    @chadx8269 3 года назад

    Excellent. Thank for clearing up the P(A!B) should be P(A&B!B). This has confused me for years. I would drop in "given" and replace it with "in". P(A!B) becomes P of getting an A in the domain B.

  • @marvinbcn2
    @marvinbcn2 2 года назад +2

    Excellent video as usual. May I make a wish: would it be possible that you made a video about bayesian vs. frequentist statistics? Every now and then I stumble about this antagonism, but explanations are often kept on a very abstract level. It would be great if you could give a case study which exposed the different (and incompatible?) conclusions these methodologies come to.

    • @statquest
      @statquest  2 года назад

      Great suggestion! I hope to do it soon.

  • @baharehbehrooziasl9517
    @baharehbehrooziasl9517 3 месяца назад +1

    Thank you so much for another great video! I couldn't find another video from your channel in which you explain the theory's application. I believe I know it, but when it comes to application, I become very unsure.

    • @statquest
      @statquest  3 месяца назад

      Ultimately I'd like to do a whole series of videos on Bayesian methods, but it will still be some time before I can.

    • @baharehbehrooziasl9517
      @baharehbehrooziasl9517 3 месяца назад +1

      @@statquest Thank you so much for your response. Can't wait to watch them and get a better understanding of the topic.

  • @yujimao0622
    @yujimao0622 3 месяца назад +1

    find this before my exam, very helpful, wish me luck

  • @hamman_samuel
    @hamman_samuel 3 года назад +2

    Waiting for those StatSquatch t-shirts 😁

    • @statquest
      @statquest  3 года назад

      They are in the works!!!!

  • @tanishpanjwani6294
    @tanishpanjwani6294 Год назад +2

    I am worried about statsquatch's gambling addiction.

  • @PradeepSingh-br4gd
    @PradeepSingh-br4gd 2 года назад +3

    My head is spinning listening to candy and soda...

  • @wolfywolfgang2498
    @wolfywolfgang2498 3 года назад +2

    I needed this , hope you talk about natural language processing , I cant find any good resource

  • @EVERYTHIN_007
    @EVERYTHIN_007 2 года назад +1

    You are a legend.❤️ from India

  • @laurelhiatt3398
    @laurelhiatt3398 3 года назад +5

    Thank you for this and all of your many spectacular videos. I was wondering if you could do a StatQuickie or other such video on z-scores if you don't already have one available?

    • @statquest
      @statquest  3 года назад +2

      I'll keep that in mind.

  • @hemesh5663
    @hemesh5663 3 года назад +1

    Hands down best channel❣️

    • @statquest
      @statquest  3 года назад +1

      Thank you!

    • @hemesh5663
      @hemesh5663 3 года назад +1

      @@statquest I should be the one thanking you, you are absolute legend, literally I am not lying, I have never seen a lecture as clear as this and thank you for this service.

    • @statquest
      @statquest  3 года назад +1

      @@hemesh5663 bam! :)

  • @ltoco4415
    @ltoco4415 3 года назад

    Could you please come up with a video on how Bayes theorem actually works, things like updating Prior probability and once the posterior is calculated then the next time we do the same then it would become the prior. This would help a lot and also do cover something about Bayesian thinking and how it applies to our actual lives.

    • @statquest
      @statquest  3 года назад +2

      That's the plan. Right now I'm writing a book on ML, but as soon as I am done, I will do a whole series on Bayesian Statistics.

    • @ltoco4415
      @ltoco4415 3 года назад +1

      @@statquest Eagerly waiting for it and all the best for your book!

    • @statquest
      @statquest  3 года назад

      @@ltoco4415 Thanks!

  • @rjeption
    @rjeption Год назад +1

    watching this before my stat final... wish me luck!

  • @sumailsumailov1572
    @sumailsumailov1572 3 года назад +2

    My God, this is amazing content! Need more views!

  • @jahndoe679
    @jahndoe679 3 года назад +2

    what is this! this is the most clear explanation! thank you!

  • @AndrywMarques
    @AndrywMarques 3 года назад +1

    "Then, just for fun, we divided by 14"
    "Just for fun" is awesome hahahahaha

  • @charlesrambo7845
    @charlesrambo7845 3 года назад +6

    I'm looking forward to more Bayesian statistics videos :-)

    • @statquest
      @statquest  3 года назад +2

      Me too! Unfortunately I have to write a book on machine learning between now and then....

  • @brucekang6474
    @brucekang6474 3 года назад +1

    I love you man. you saved my life.

  • @sdsa007
    @sdsa007 Год назад +1

    another brilliant insightful tutorial, perfectly memorable!

  • @nickfountain-jones5853
    @nickfountain-jones5853 3 года назад +2

    This is a great intro to the topic!

  • @ashleyibarra4927
    @ashleyibarra4927 3 года назад +1

    I LOVE STATQUEST!!!!

  • @PhuongLe-gg4ge
    @PhuongLe-gg4ge 3 года назад +1

    Easy to remember and understand. Thank you so much !!!

  • @dlsgaming18
    @dlsgaming18 Год назад +1

    Dude how do you do this? You save my nearly 50 hour of time.

  • @diegobuenovillafane869
    @diegobuenovillafane869 3 года назад

    Your videos are the best!! One question relatively unrelated... What software do you use for your videos?? THANKS!!!

    • @statquest
      @statquest  3 года назад +1

      I answer that question in this video: ruclips.net/video/crLXJG-EAhk/видео.html

  • @hemm2333
    @hemm2333 Год назад +1

    How many of you, like me, love to watch his videos to listen to Bam, Double Bam, Triple Bam... ❤❤❤

  • @azmanakhter336
    @azmanakhter336 3 года назад

    Josh, please do a video on Bayes' Hierarchical modeling.

  • @JuanBretti
    @JuanBretti 3 года назад +1

    Josh, as usual... Great explanation!

    • @statquest
      @statquest  3 года назад +1

      Thank you very much! :)

  • @elizabethelson1124
    @elizabethelson1124 2 года назад +1

    Your explanation is easily understandable..thank u so much 👍👍👏👏😁

  • @md.abdullaalwailykhanchowd3974
    @md.abdullaalwailykhanchowd3974 2 года назад +1

    Clear! Clear! Clear!

  • @eddpalenciavanegas6739
    @eddpalenciavanegas6739 2 года назад +1

    I watch your videos just for the fun of it hahaha.... Awesome content!

  • @Endocrin-PatientCom
    @Endocrin-PatientCom 3 года назад +1

    The example with candies and soda was not very good. You could make another video with the famous example of having the disease given the positive analysis result.

    • @statquest
      @statquest  3 года назад

      I'll keep that in mind.

  • @Xenoni
    @Xenoni 3 года назад +1

    Hi Josh.. could you please make a video about sensitivity analysis and it’s uses in non financial settings …
    I really appreciate what you do..

    • @statquest
      @statquest  3 года назад +1

      How about this? ruclips.net/video/vP06aMoz4v8/видео.html

    • @Xenoni
      @Xenoni 3 года назад

      @@statquest so what's this guy talking about ?
      ruclips.net/video/o6-HCOG1Cp4/видео.html
      The term "Sensitivity Analysis" has been thrown around by our statisticians a lot ! need to know what they are up to !!

  • @nonameneeded7996
    @nonameneeded7996 Год назад +1

    you are the best! now im going to BAM the subscribing button

  • @babe3736
    @babe3736 2 года назад +1

    I LOVE WHEN YOU GO BAM!

  • @tsunamio7750
    @tsunamio7750 2 года назад +1

    So much pain and hurdle I've witnessed during my school years. If only we get teachers to throw your videos at their students. You should have a million views on this very video. Your verbose notation is the only right notation.

    • @statquest
      @statquest  2 года назад

      Thank you so much! :)