Regression II - Degrees of Freedom EXPLAINED | Adjusted R-Squared

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zedstatistics

zedstatistics

Күн бұрын

Пікірлер: 274
@NickFrahm
@NickFrahm 8 жыл бұрын
no idea how i have taken two stats courses yet i've never heard degrees of freedom explained, let alone with such simplicity. thank you so much, i have my final tomorrow!
@keatonfelipe8720
@keatonfelipe8720 3 жыл бұрын
you all prolly dont give a damn but does anyone know of a method to log back into an instagram account..? I stupidly lost my account password. I appreciate any tricks you can give me!
@PunmasterSTP
@PunmasterSTP 2 жыл бұрын
Hey I know it's been a long long time, but I just came across your comment and got curious. How did that final go?
@justoaktree5656
@justoaktree5656 Жыл бұрын
Hey I know it's been a long long long time, but I just came across you guys comments and got curious. So how did that final go?
@putrasyafiqroslan1303
@putrasyafiqroslan1303 5 жыл бұрын
5:58 - total eureka moment. KZbin videos teaching me more efficiently than my university lectures.
@VibhorSen1993
@VibhorSen1993 3 жыл бұрын
i feel the same :'(
@romanemul1
@romanemul1 3 жыл бұрын
boy i learned linear algebra,calculus and computer science that way. Now im on stats because i need it for machine learning . Unis sucks big time .
@govindsomadas2866
@govindsomadas2866 4 жыл бұрын
It took you two years to post this second part but the wait was totally worth it.
@olithyst
@olithyst 3 жыл бұрын
Having made high score in statistics, I never felt that I really grasped the meaning of each important terms. After watching 3 of your videos, I started to truly understand statistics first time in life. Thanks so much!
@stevengawthorpe3545
@stevengawthorpe3545 10 жыл бұрын
The amount of time I've spent learning statistics has been wasted up until this point. This video is so damn intuitive that all the past learning is very clear. Thank you so much.
@finetun3d
@finetun3d 5 жыл бұрын
After all these years, I've finally found a decent explanation for the concept of R^2 and df. Can't believe they don't teach stats like this in school. Thank you so much!
@danidlfuente
@danidlfuente 5 жыл бұрын
please, don't stop. Your videos are an excellent study material
@jee_warriorz
@jee_warriorz 9 жыл бұрын
One of the best explanation of degrees of freedom and R squared that I came across internet... Cheers!
@winstonloke2860
@winstonloke2860 4 жыл бұрын
This explanation of Degrees of freedom blew my mind. Always i have heard degrees of freedom is n-2 but i have no clue what that meant until now.
@mumsorry
@mumsorry 10 жыл бұрын
Its pretty useful, and the way you explain d.f. is much easier than most of other people
@Heloisa57661
@Heloisa57661 9 жыл бұрын
This is the best explanation about degrees of freedom I've seen. Thank you very much.
@smoothacceleration437
@smoothacceleration437 5 жыл бұрын
Brilliant. I have read countless texts and seen countless videos on the subject and this is the 1st time i get an intuitive grasp.
@jessicadesousa3902
@jessicadesousa3902 2 жыл бұрын
You're my absolute hero for putting these concepts into such simple terms! I think you should be a teacher!
@zedstatistics
@zedstatistics 2 жыл бұрын
Now three years into being a highschool teacher thanks to comments like yours :)
@TemporaryForstudy
@TemporaryForstudy Жыл бұрын
​​​@@zedstatisticswhat were you doing earlier? Were you working for company?
@moorthin
@moorthin 3 жыл бұрын
You have explained degrees of freedom , R squared and Adjusted R Squared better than any university lecture. Thank you
@BrownCheeseBall
@BrownCheeseBall 10 жыл бұрын
I've heard others talk about degrees of freedom... but like always, you Zed it best.
@tanishkagupta3043
@tanishkagupta3043 2 жыл бұрын
thank you so much, you are the best teacher in youtube i have ever seen in stats
@auroravera4653
@auroravera4653 4 жыл бұрын
Thanks for a great teaching video. You have explained in an elegant way so that everyone can understand. Please continue with your work. Simply fantastic!!
@tclbr7975
@tclbr7975 3 жыл бұрын
I just want to say thank you VERY much for the videos. I started a master in the Netherlands and it is being very very very helpful, much more than what I was seeing in the classroom.
@PunmasterSTP
@PunmasterSTP 2 жыл бұрын
I'm just curious, how is your Master's going?
@bogdanpanait8917
@bogdanpanait8917 10 жыл бұрын
Really enjoyed your 2 videos so far, very nice intuitive explanations. Please continue working on these!
@temich1985
@temich1985 6 жыл бұрын
You actually did a great job taking a time explaining what those variables are unlike paid college professors who just write out solutions to the book's problems on the board while narrating it nonstop.
@PunmasterSTP
@PunmasterSTP 2 жыл бұрын
Degrees of freedom? More like "Dang, these are some of the best of 'em!" Your videos are some of the best on KZbin, and I really hope that you keep them coming.
@zedstatistics
@zedstatistics 11 жыл бұрын
They're comin :) got a newbie called "WTF?! Normal Distribution?" to check out in the mean time. Thanks Harsh!
@francisxavier9736
@francisxavier9736 4 жыл бұрын
zedstatistics this is beautiful explanation of degrees of freedom. Wish I knew this in Uni. Good one
@tashaagarwal419
@tashaagarwal419 7 жыл бұрын
Never came across a better explanation than this one for dof and adjusted R2. Thanks a lot
@TonyTongWA
@TonyTongWA 7 жыл бұрын
Best explanation of degrees of freedom I've found so far! :)
@neptune1502
@neptune1502 9 жыл бұрын
Thank you very much. I never understood Degree of freedom but with the help of this video I got it. Thanks a lot. Please continue posting more videos.
@username-videos
@username-videos 5 жыл бұрын
An excellent explanation. Was using this to review an old stats class after someone asked me to explain to them what DF is. Realized I didn't have a simple explanation of what it actually is. Thanks!
@wolfgangi
@wolfgangi 5 жыл бұрын
I swear to god you are the best statistics teacher that I've ever found. I love how you always explain things so intuitively!
@kanchithakkar
@kanchithakkar Жыл бұрын
Thanks a ton. Amazing explanation!!! Your videos have helped me understand concepts way better than any other platform.
@Sam-be4yy
@Sam-be4yy 7 жыл бұрын
You are such a great teacher. I wish my professors taught like you did...
@drsanthoshsamuel9717
@drsanthoshsamuel9717 4 жыл бұрын
Prof. Alex Excellent & Brilliant
@superhuegi
@superhuegi 9 жыл бұрын
Got an exam in two days and these videos have already really helped with the statistical part of it! Thank you very much!
@PunmasterSTP
@PunmasterSTP 2 жыл бұрын
Hey, I know it's been years, but how did that exam go?
@AZacLife
@AZacLife 2 жыл бұрын
I rarely comment, but this was actually very useful. You have managed to make me understand what df means. Thank you!
@hemantdas9546
@hemantdas9546 4 жыл бұрын
Best video on degree of freedom. Very intuitive. Love it ❤️. Thanks for making things so simple.
@akash1001jan
@akash1001jan 11 жыл бұрын
Please upload remaining parts of this series. They are really great :)
@pupface
@pupface Жыл бұрын
I have read about every explanation of df and this is the only one that's made it clear!
@innovation2440
@innovation2440 7 жыл бұрын
Thank you very much..Finally after a lot of searching and looking into videos, it is from here that I was able to clearly understand the concept of Degrees of Freedom.
@trangpham4176
@trangpham4176 5 жыл бұрын
i sort of understand degree of freedom from all the reading but could not re-explain it by myself in a simple and easier to understand term! this is perfect thank you so much :)
@hgocers1230z
@hgocers1230z Жыл бұрын
The most succint explanation of df I have ever seen. Thank you!
@ishaiperelman3137
@ishaiperelman3137 10 жыл бұрын
Very good video. Clear, assertive and very well presented. Thumb up 103 is mine.
@stephaniemeade2960
@stephaniemeade2960 5 жыл бұрын
YOU MADE IT FLAWLESSLY MAKE SENSE. THANK YOUUUUUUUUUUU
@fatemehbabakhani9027
@fatemehbabakhani9027 8 жыл бұрын
Thanks so much! It was the best video, I've ever seen about the Degree of Freedom.
@TimOost
@TimOost 11 жыл бұрын
Very clear explanation on degrees of freedom and its effect on R squared, thank you
@rescuemay
@rescuemay 9 жыл бұрын
Great explanation Justin! Really helped to refresh my memory about these ideas.
@hollietripp7672
@hollietripp7672 9 жыл бұрын
Please post more! Your videos are so helpful!
@lindaren9467
@lindaren9467 4 жыл бұрын
Great videos that give me so much more clarity for many problems. Thanks for the great work!
@BNJ53
@BNJ53 7 жыл бұрын
Studying for the CFA and your videos are so helpful! Thank you!
@shramisharma7064
@shramisharma7064 11 жыл бұрын
This is great. Waiting for the remaining ones. With a non stats background, i dont think i would have been able to understand this in a better way than this. GREAAT WORK. THANKS:)
@apankack12
@apankack12 3 жыл бұрын
A fantastic video. Thank you for enlightening such a confusing topic sir. You have my respect!
@amitbasu8880
@amitbasu8880 7 жыл бұрын
Excellent. Helped me to understand degrees of freedom and R2 which I was struggling with so long
@xxelurraxx232
@xxelurraxx232 Жыл бұрын
Thank you for this. Was looking online for intuition and only got "n - k - 1" with no explanation. This makes complete sense.
@aarondecker7042
@aarondecker7042 10 жыл бұрын
One of the best explanations of DoF and Rsq-Adj I have seen. Thanks.
@ashishmohan137
@ashishmohan137 4 жыл бұрын
this video gives you an understanding of concepts on three levels:Intuitive,Graphical ,mathematical
@melvingeorge2008
@melvingeorge2008 10 жыл бұрын
Fantastic explanation... Please upload more of ur videos.. ur really a good teacher
@xjulice
@xjulice 10 жыл бұрын
Waiting for moore! :) this was really fun to watch especially because of the simple visualization !
@sheebee8398
@sheebee8398 7 жыл бұрын
Thank you very much! You have shown how powerful and important diverse approaches and perspectives are to growing community knowledge. After all, why were we given a diverse approach in the first place? You were given yours to help us understand and grow.
@wl9318
@wl9318 3 жыл бұрын
Thank you so much. Tears on my face and can’t stop
@monasoltani5928
@monasoltani5928 4 жыл бұрын
Your explanation is way beyond awesome.... Thanks
@jayantarianster
@jayantarianster 3 жыл бұрын
15 minutes of this video taught so much more than hours of university classes
@winifreddibie3200
@winifreddibie3200 3 жыл бұрын
I’m truly grateful for your videos
@ukkamunda
@ukkamunda 10 жыл бұрын
Justin, I was struggling with REAL concepts of SLR, your explanation along with examples really clarified all my queries and assumptions. Now I'm eagerly waiting for Regression III :) ... Thanks once again !!
@ChewingGum113
@ChewingGum113 10 жыл бұрын
Thank you so much for these videos, they are very helpful. Please, please make the 3rd, 4th and 5th video about this topic too! I'm looking forward to them. :)
@suchitrakulkarni4559
@suchitrakulkarni4559 3 жыл бұрын
what a beautiful explanation on degrees of freedom!!!! Thank you!!!!
@sibghatullahkhan1498
@sibghatullahkhan1498 8 жыл бұрын
Very Informative Sir. you have great command over regression analysis
@soonerbjj
@soonerbjj 6 жыл бұрын
Best explanation of df that I've seen. Thank you.
@rajagopal2124
@rajagopal2124 10 жыл бұрын
Very beautifully explained...!!! Thanks a lot sir...please continue good work.
@atulsharma8773
@atulsharma8773 8 жыл бұрын
BRILLIANT !!! BEST I HEARD FORM ANYONE !!
@harshsanghvi6948
@harshsanghvi6948 11 жыл бұрын
very well explained..hope to see the next 3 videos soon!!
@samahwanas4165
@samahwanas4165 Жыл бұрын
Thanks for your simplicity in explaining!
@taladiv3415
@taladiv3415 2 жыл бұрын
It is truly unfortunate that we must rely on talented philanthropists like Zed to providee us with the very thing we should have received for paying so much money to the university or college! Bless Zed for his contribution to the knowledge of the masses out there!
@cogcog312
@cogcog312 3 жыл бұрын
This is your second video I am watching and both have given simple and clear explanations to the topics treated. Excellent and thank you. I am learning data science and would ask if you could delve into all the statistics that support the different data science models. Maybe you have, I am not sure.
@PunmasterSTP
@PunmasterSTP 2 жыл бұрын
How have your studies been going?
@shivamkpathak3371
@shivamkpathak3371 Жыл бұрын
Just wow, amazing presentation, thank you so much
@fortunengoma9244
@fortunengoma9244 2 жыл бұрын
you know your stuff man keep it up God bless you sir
@himanshudeswal9175
@himanshudeswal9175 2 жыл бұрын
you teach better than teacher at university for which i paid 26,000 pound
@karannchew2534
@karannchew2534 3 жыл бұрын
5:58 The 3rd point allows the model to differ from the 2 two points -> one degree of freedom. Add 4th points -> 2 degree of freedom -> give the model more power to estimate
@anujlahoty8022
@anujlahoty8022 Жыл бұрын
Maths is indeeed beautiful and your explanation drives the point home.
@annabrenner5995
@annabrenner5995 Жыл бұрын
THANK YOU SO MUCH for noting and acknowledging that the SSE is actual the sum of residuals squared, and SSR is the sum of the explained error squared. Every other stats teacher who fails to explain this should be fired for torturing their students.
@richardgrifon395
@richardgrifon395 9 жыл бұрын
Multiple regression please...
@avazyusibov5342
@avazyusibov5342 4 жыл бұрын
thank you very much for a straightforward explanation of econometrics.
@MrHugosky1
@MrHugosky1 9 жыл бұрын
I loved your lesson. Thank you very much in deed! I am looking forward to watching the following 3 sequel of this video.
@vilopiforte
@vilopiforte 11 жыл бұрын
Hoped to see the next one too :( it's so good and clear. Thanks for your effort
@byhtan001
@byhtan001 8 жыл бұрын
THANK YOU SO MUCH, gosh statistics and econometrics is so tough :'(
@gutestederwelt
@gutestederwelt 7 жыл бұрын
Great explanation and visualization - thanks!
@evaita1
@evaita1 9 жыл бұрын
Can we have part III, this is really helpful!
@ahawendy6359
@ahawendy6359 5 жыл бұрын
Wish I found you earlier! You're a legend!
@rhomielijah5055
@rhomielijah5055 7 жыл бұрын
This is genius stuff. Thanks Zed!!
@ashwiiniinandesshwar5928
@ashwiiniinandesshwar5928 9 жыл бұрын
Amazing and very helpful.
@ajayakabecks
@ajayakabecks 4 жыл бұрын
Thank you for explaining the concepts in such a simple way.It was really informative and easy to understand. Could you explain how decrease in DF leads in increasing R2.
@zedstatistics
@zedstatistics 4 жыл бұрын
Imagine there are three fireflies hovering in your bedroom. You take out a big sheet of rigid cardboard. If you can only hold the cardboard horizontally, you will probably only touch one of the fireflies. If you were allowed to hold the cardboard at any angle, you could touch ALL THREE fireflies no matter where they are in the room. Consider now that you had 10 fireflies instead of 3. Allowing the cardboard to be held at any angle still improves the ability to get closer to all the fireflies. This analogy shows that when DF decreases (in other words, when you have more dimensions/variables to work with for a given number of observations), you will ALWAYS get closer to perfectly identifying the observations.
@ajayakabecks
@ajayakabecks 4 жыл бұрын
Thank you for the detailed explanation.
@Kingshuk91
@Kingshuk91 10 жыл бұрын
Brilliant video.. Would appreciate if you could come out with a view advanced topics on regression too!
@johnthemain
@johnthemain 9 жыл бұрын
Great video, please finish the series!
@ajaygoyal436
@ajaygoyal436 5 жыл бұрын
very informative n simply explained. thanks a ton
@mohammaddakhakhni4097
@mohammaddakhakhni4097 9 жыл бұрын
keep up the good work dude thanks it was useful a lot
@hamiltonfarias2444
@hamiltonfarias2444 5 жыл бұрын
Finally understand degrees of freedom. Thank you!
@EnigMagnum
@EnigMagnum 3 жыл бұрын
in wooldridges econometrics book SSE is written as explained sum squared and SSR written as residual sum squared
@naveenkumarvitta9057
@naveenkumarvitta9057 4 жыл бұрын
Super explanation on degrees of Freedom 🙂
@321ananth
@321ananth 11 жыл бұрын
Excellent explanation of DOF!
@veenalasrado6364
@veenalasrado6364 2 жыл бұрын
Thank you very much for explaining it so well with an example.
@udayantat2747
@udayantat2747 7 жыл бұрын
great video. specially the degrees of freedom.. helped a lot
@dgirdhar1
@dgirdhar1 11 жыл бұрын
Great work. eagerly waiting for next 3 videos
@harishbabuk.s4344
@harishbabuk.s4344 6 жыл бұрын
Till R2 and degrees of freedom I was able to understand, but got confused when it comes to Adjusted - R2
@muhammadwaqar8625
@muhammadwaqar8625 2 жыл бұрын
@zedstatistics please guide about how to deal with multiple regression .. like equations that have linear, and power trending .. how to deal with it .. looking forward to hearing from you soon. Thanks
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