Econometrics // Lecture 3: OLS and Goodness-Of-Fit (R-Squared)

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  • เผยแพร่เมื่อ 21 ม.ค. 2025

ความคิดเห็น • 283

  • @alyamohd146
    @alyamohd146 11 ปีที่แล้ว +14

    I think your explanations are much better than the tutors that I thought. It's been months and I always thought it'd be so complex for a normal average student to understand but you made it simple and more contextual of the topics. Amazing. Please keep doing videos on these things because it's really helping! Thank you so much!

  • @andrescamilomendozapatino8466
    @andrescamilomendozapatino8466 3 ปีที่แล้ว +32

    Hey! Your lectures were awesome! Where did you go! The world need more of your videos!

  • @Paktvlounge
    @Paktvlounge 9 ปีที่แล้ว +69

    These are some really great lectures. Your method of delivery is great. I have never in my life studied these topics and now i somewhat understand them quite better. This tells a lot about how well you have and can deliver. I do not know why did you stop publishing videos but if you can keep on going please do not stop.

  • @tushersaha4464
    @tushersaha4464 ปีที่แล้ว +4

    Hi Chris, hope you are doing well! The world needs more of your videos!!! I learned more from your videos that my professor couldn't teach over 4 months. If you can, please upload some more videos :)

  • @sanjidaakter7726
    @sanjidaakter7726 2 ปีที่แล้ว +28

    Hey Chris, please upload next videos.. Your teaching style rocks! Life saver.. Please start over

  • @eltajhasanova8284
    @eltajhasanova8284 9 ปีที่แล้ว +25

    Never thought these things were easy untill discovering your channel!
    Thank you for your great work! You are saving a lot of lives literally)

  • @seanomalley8312
    @seanomalley8312 11 ปีที่แล้ว +12

    Brilliant!!! Starting a masters in economics next month and have been out of education fpr over two years now so great revision to get me back into things. Keep them coming.

  • @anastasiakpedinu7004
    @anastasiakpedinu7004 ปีที่แล้ว

    I love this. Its the best I have ever seen on this subject so far. Please don't stop. Keep the good work. God bless you so much

  • @gendough
    @gendough 11 ปีที่แล้ว +1

    I just signed up for econometrics after not having taken any math or econ classes for three years, and nothing could get me to understand these (supposedly) simple regression concepts. Not the textbook, not my professor, not other channels on TH-cam. Nothing ... except for your past few episodes. Bravo!

  • @sherandikaumshivsenapancho6531
    @sherandikaumshivsenapancho6531 11 ปีที่แล้ว +5

    Absolutely BRILLIANT! For a student that has never done any statistics throughout education this explains it perfectly. Short and concise. Release the next video ASAP, have an exam on the 27th!

  • @admirburzic3303
    @admirburzic3303 2 ปีที่แล้ว

    Man these are some really grate videos. It is a pitty you stopped. You owe it to the world to continue this MAAAAAAN!!!!!!!!!!!!!

  • @lordsick8527
    @lordsick8527 2 ปีที่แล้ว

    Really good presentation and the tone of voice and interaction just feels like it's a friend tutoring me.

  • @munjedkaloti8422
    @munjedkaloti8422 7 ปีที่แล้ว +2

    Thank you Chris for the tutorial videos
    They are of a big help, They explain the topics in a simple and clear way
    I believe you shall have tutorial videos on all topics in econometrics which would be an online education for anyone interested to study econometrics
    You are a hero to the student who doesnt understand from class
    Keep it up and all respect from me

  • @ez_aref
    @ez_aref 7 ปีที่แล้ว +72

    We need more lectures ,, where did you go ?

    • @namansinha4112
      @namansinha4112 4 ปีที่แล้ว +6

      Estimated corona i guess

    • @hueguy
      @hueguy 3 ปีที่แล้ว +3

      From 2021 and about to take a course in econometrics, these videos are amazingly helpful... I really hope they'll start making more soon.

    • @dustinrossg
      @dustinrossg 3 ปีที่แล้ว +4

      He got a A+ paying job is my guess, this stuff is extremely worthwhile to learn. Guessing he's way too busy, cause its a ton of work as you might be able to see from these videos.

  • @mollsap
    @mollsap 8 ปีที่แล้ว +6

    my economics lecturer is terrible and these videos are fantastic at explaining! Please do more :(

  • @BrutalMixLover
    @BrutalMixLover 9 ปีที่แล้ว +1

    Hello! As a student on economics I found the video very good and helpful! Thanks and look forward for the next one!

  • @pedrocaballero7796
    @pedrocaballero7796 3 ปีที่แล้ว +2

    GREAT videos, awesome way to explain the topics, just started this at the university and couldnt trully grasp the meaning of some things until i saw your videos, it was really frustrating during the lecture but youuuu make it so easyyy Thx.

  • @xhuliodedej8133
    @xhuliodedej8133 6 ปีที่แล้ว +4

    You have to continue! Your lectures are really great

  • @KeynesAcademy
    @KeynesAcademy  11 ปีที่แล้ว +11

    Hi Everyone! We want to know your opinion, comment and let us know how you think we are doing here at Keynes Academy! Subscribe and like if you would like to see more econometrics!

    • @manosxa
      @manosxa 3 ปีที่แล้ว

      did you just spend 3 lectures to explain least squares for a straight line without even the correct title dummy?

  • @Manaflowing
    @Manaflowing 5 ปีที่แล้ว +1

    I'm like 45 minutes away from a midterm and you're really saving my bacon rn, defining the funny squiggles was helpful

  • @deepapatel28
    @deepapatel28 9 ปีที่แล้ว +3

    Thank you so much for doing this, Chris! Really great videos. I wish you would keep going because this helped me tremendously.

  • @waicheungwong1471
    @waicheungwong1471 10 ปีที่แล้ว

    Thank you! It is much much better than the lecture I've attend!

  • @clebsoncosta
    @clebsoncosta 7 ปีที่แล้ว

    Wow!!! What a wonderful and simplified explanation about OLS! Thank you!

  • @lalalalas11
    @lalalalas11 8 ปีที่แล้ว +2

    awesome 3 set video on the basics of econometrics , thank you.

  • @karenlam4157
    @karenlam4157 11 ปีที่แล้ว

    Just wanted to say how amazing these videos are. Everything was explained to clearly with visuals as well! It helped me so much. I look forwards to seeing more of your videos.

  • @funshoigbasan4090
    @funshoigbasan4090 11 ปีที่แล้ว

    Thank you sooo much you are a life saver,i have never taken any course close to econometrics before,i dont av any background in statistics or economics and my mathematics is bad so in the class i always think my lecturer is speaking chinese when lecturing,infact i had given up on the course until i found your videos,its been soo helpful and i now understand all what was discussed in class although the denotations are different.Thanks a million please more videos we are waiting.

  • @111umarali
    @111umarali 8 ปีที่แล้ว +41

    when are you uploading more lecture sir waiting and if there any kindly reply

  • @ShawonBiswasJU
    @ShawonBiswasJU 9 ปีที่แล้ว

    great & easiest lecture I have ever seen about econometrics.

  • @OmarPR100
    @OmarPR100 11 ปีที่แล้ว +1

    This is absolutely fantastic, please keep making more videos.

  • @SonGoku-uv4pk
    @SonGoku-uv4pk 2 ปีที่แล้ว

    Thanks a lot for this. Even 10 years later its very useful

  • @daysiatorres3082
    @daysiatorres3082 2 ปีที่แล้ว

    I have been struggling to understand conceptually the importance of R^2. This was so helpful!!

  • @nyangaterdit
    @nyangaterdit 6 ปีที่แล้ว

    The lesson was impressive.. more of this lessons will help a lot if you can upload more. Thanks for sharing knowledge of econometric.

  • @mentionlater19
    @mentionlater19 10 ปีที่แล้ว

    Thank u so much! U explain it so well.ive read his chap in gujarati two times but finally understood through your video.god bless you!

  • @deshdeewana7162
    @deshdeewana7162 8 ปีที่แล้ว +3

    Very nice video with simple understanding............ Was very confused with this topic but after seeing your videos it looks very easy now..........

  • @BallerG1000
    @BallerG1000 10 ปีที่แล้ว +3

    More of these please. They are so helpful!

  • @nainaaysh6577
    @nainaaysh6577 10 ปีที่แล้ว +11

    More video pleaseeeeeeeeeee, this is so helpful, I don't understand well in the Gujarati book, i understand all with this video :)

    • @HenryTechBoy
      @HenryTechBoy 6 ปีที่แล้ว

      What's your opinion on that book? I borrowed it from the library but my course focuses more on the econometrics book by Woolridge!

    • @kamaleshkhanna4735
      @kamaleshkhanna4735 5 ปีที่แล้ว

      Did you by chance find any substitute video series for that book

    • @bikramadityaghosh1450
      @bikramadityaghosh1450 4 ปีที่แล้ว

      th-cam.com/play/PLJzvu5X33puxM6B9MgMDzQAUD4rYXj1l4.html

  • @jackwulfric8019
    @jackwulfric8019 8 ปีที่แล้ว +1

    more videos man!! continue this please.
    btw loved it and you helped me understand a lot.

  • @BTBSOUNDS
    @BTBSOUNDS 5 ปีที่แล้ว

    I have a final on this in abouuut 2 weeks and I'm about 3 seconds away from setting either myself or my university on fire. I've understood more in these three videos than I did in 11 weeks of lectures and seminars

  • @dancingbella23
    @dancingbella23 3 ปีที่แล้ว +1

    honestly way better than my university. I should be paying YOU tuition instead

  • @AngelMazibuko
    @AngelMazibuko 7 ปีที่แล้ว

    Thanks Chris, you have made my life much easier!

  • @badhuisstraat20
    @badhuisstraat20 11 ปีที่แล้ว

    Please upload more! It's so great! Thank you Chris

  • @amarkang6275
    @amarkang6275 6 ปีที่แล้ว

    Oh great deity where did you go we need you!!! I won't be able to get through this undergrad course without you!!

  • @nathan1507
    @nathan1507 ปีที่แล้ว

    Bro dropped 3 videos that save the grade of hundred thousands of people and left like it was nothing. Hail to the king

  • @inkarkhussainova3932
    @inkarkhussainova3932 10 ปีที่แล้ว +11

    Thank you for your lessons!!! Very useful and understandable! Could you please explain classical assumptions?

  • @zanareyahsalim5572
    @zanareyahsalim5572 11 ปีที่แล้ว

    omg chris, u really knows how to explain in a concise but with good points!! please upload next lecture. im waiting not because i m goin to have exam soon, but because u just made econometric very interesting...;)

    • @vitorgois3938
      @vitorgois3938 2 ปีที่แล้ว

      Did he die or something? I'd just like to know how he is doing XD

  • @thomdang6221
    @thomdang6221 8 ปีที่แล้ว +4

    Dear Sir, Where are other videos? I'm a big fan of your teaching, I need more than that, please make more videos, very grateful to you.

  • @AlulaAssefa
    @AlulaAssefa หลายเดือนก่อน

    That great!
    I need further more lessons like this.
    Thank u very much!!!!

  • @marcelamimica7615
    @marcelamimica7615 11 ปีที่แล้ว +1

    great video! thank you so much for uploading this lessons, I hope to see the next ones soon!

  • @sarinarose8021
    @sarinarose8021 9 ปีที่แล้ว

    Really helpful! Please continue it cleared so much!

  • @habibakhattab18
    @habibakhattab18 9 ปีที่แล้ว

    oh my god !! thank you thank you thank you !! brilliant please keep them coming !!

  • @navdeep-_-07
    @navdeep-_-07 7 ปีที่แล้ว +39

    Hi ,where are u? I need your help. Plz come back and make more videos on econometrics.plzzzz

    • @bikramadityaghosh1450
      @bikramadityaghosh1450 4 ปีที่แล้ว +1

      th-cam.com/play/PLJzvu5X33puxM6B9MgMDzQAUD4rYXj1l4.html

  • @supratimdutta7146
    @supratimdutta7146 7 ปีที่แล้ว

    Ur way of delivering d lecture is awesome.thank u so much.plz upload more video sir.

  • @bernicebongsiysi4788
    @bernicebongsiysi4788 ปีที่แล้ว

    My doubt was just clarified in this video, thanks a lot

  • @turkayjamal3289
    @turkayjamal3289 10 ปีที่แล้ว

    Thank you very much! It really was helpful and you were better than my professor

  • @mohdkashif86
    @mohdkashif86 11 ปีที่แล้ว

    A very informative task you have done. Great work

  • @ZeeshanHashim
    @ZeeshanHashim 6 ปีที่แล้ว

    Thank You for uploading these videos. I really enjoyed what you taught.

  • @karundhingra
    @karundhingra 8 ปีที่แล้ว

    Thanks for these lectures, you have explained things really well

  • @aliemusoit2919
    @aliemusoit2919 ปีที่แล้ว

    This is a great and very helpful lecture. Thank you

  • @MehdiElharti
    @MehdiElharti 10 ปีที่แล้ว +5

    This was very good. You are a hero :)
    But I looked for lecture 4 and there was none :(
    It would be great if you could do similar presentations on the following:
    1. Multiple Regression
    2. Serial Correlation and how to detect it
    3. Heteroskedasticity and how to detect it
    4. Multicolienarity and to detect it
    5. Forecasting using regression (forecasting error)
    6. Applying regression to time series (stationarity....)
    I personally use gretl for all of my regression work.. it's excellent and free :)

    • @mentionlater19
      @mentionlater19 10 ปีที่แล้ว +2

      ^ Please listen to this man.more videos!

  • @halitmetin6423
    @halitmetin6423 5 ปีที่แล้ว

    good summary and very brief explanation please upload more videos we need you

  • @cca211
    @cca211 10 ปีที่แล้ว

    Your videos are AMAZING!! Please upload more!!

  • @usmnnaseer
    @usmnnaseer 9 ปีที่แล้ว +1

    You are such a great teacher :)
    Love u!

  • @princeshakib
    @princeshakib 11 ปีที่แล้ว

    thanks a lot it was very useful for someone like me who didn't study econometric before. Pleasure!

  • @qixue2148
    @qixue2148 4 ปีที่แล้ว

    Is there a mistake on SSE and SSR? I thought SSR is y(hat)-y (mean), instead of SSE? Can anyone verify this at 8:13?

  • @bigbenlity
    @bigbenlity 5 ปีที่แล้ว +1

    Can you please continue with the lecture? I really need the continuation of the lectures. you explain the lecture with aplomb!

  • @suganmuni4334
    @suganmuni4334 10 ปีที่แล้ว +4

    hello kris.. your lecture on Regression model really good and understandable.. could you please add any numerical example to find each methods of sum of squares.. and connect real world situation and solution into it..

  • @TheRealLeonidas300
    @TheRealLeonidas300 11 ปีที่แล้ว

    Post more! I wish i watched these videos before the fall semester

  • @jamesnaylon424
    @jamesnaylon424 4 ปีที่แล้ว +1

    oh my where did you go? need more of those

  • @9951Manu
    @9951Manu 9 ปีที่แล้ว +11

    WHERE IS LECTURE NUMBER 4??? AND ALL THE OTHERS AFTER THAT?

  • @pablofelipelopez8878
    @pablofelipelopez8878 11 ปีที่แล้ว

    Could you post more? Still so basic. Econometrics is not that easy. However your lecture is clear and helpful. Thank you.

  • @fyylicious
    @fyylicious 10 ปีที่แล้ว

    That was easy to understand! Do you perhaps have the sample question regarding on the topic? Do share the link yeah! Looking forward to the next lecture video. :)

  • @Maiqader
    @Maiqader 11 ปีที่แล้ว +1

    that was really good, i finally get it … been in lecture for the past month and i feel like i understand really better now. can we have videos about the multiple linear regression and EVIEWS program please ?

  • @karlapadilla
    @karlapadilla 3 ปีที่แล้ว

    Hi, just a question, why when writing SSR we use u squared but when using SSR for the properties of OLS, when don't use the square anymore

  • @LaChuppacabbra24
    @LaChuppacabbra24 11 ปีที่แล้ว

    you just made econometrics understandable for me...thanks bud

  • @ezeemekaemmanuel2577
    @ezeemekaemmanuel2577 5 ปีที่แล้ว

    You are doing a great work. Thanks

  • @JUANDICIMOMAGNIFICOO
    @JUANDICIMOMAGNIFICOO 11 ปีที่แล้ว

    Thank you so much for the video! Are you planning on posting more? I hope so!!

  • @RememberRund
    @RememberRund 5 ปีที่แล้ว

    Thanks u explained very well.
    Please explain more? where did you get 1.

  • @faro99ru
    @faro99ru 8 ปีที่แล้ว

    Could you give me an example of when the independent variable is correlated with the residual so that I can conceptualise this ? Many thanks for the video

  • @thivyanagamuthu6963
    @thivyanagamuthu6963 8 ปีที่แล้ว +1

    this was a super video! you should add more videos explain econometric concepts!

  • @valentinavelasquez1914
    @valentinavelasquez1914 10 ปีที่แล้ว

    Thank you so much!! very understandable... better than my professor

  • @samaboateng4348
    @samaboateng4348 9 ปีที่แล้ว

    this video has been very help to me, Thanks

  • @CA-ff1fw
    @CA-ff1fw 9 ปีที่แล้ว +1

    Whole videos was very helpfull, thanks for sharing this informations with us.

  • @TheRivaNile
    @TheRivaNile 11 ปีที่แล้ว

    My lecture uses beta 1 and beta 2. is this the same thing as beta 0 and beta 1 respectively in your videos???

  • @sandsiren4840
    @sandsiren4840 5 ปีที่แล้ว

    you're incredible! this was very helpful

  • @fabiorovai5747
    @fabiorovai5747 5 ปีที่แล้ว

    This video was so good, thank you very much!

  • @azmainmd.shahriar4024
    @azmainmd.shahriar4024 3 ปีที่แล้ว

    Can you clear out what is the difference of explanation between SSE and R-square

  • @lilygirl3258
    @lilygirl3258 7 ปีที่แล้ว

    What if we include all possible variables in the model? Will that improve the goodness of fit?

  • @rezasebastian3784
    @rezasebastian3784 10 ปีที่แล้ว

    YEAH..YEAH..WE WANT MORE CHRIS!! this is really helpfull!=D

  • @monavi13
    @monavi13 5 ปีที่แล้ว

    Thank you very much you saved my life!

  • @mugarurajosephkatuufu1538
    @mugarurajosephkatuufu1538 10 ปีที่แล้ว

    A very valuable work!! Thank you so much.

  • @WFOFW1
    @WFOFW1 ปีที่แล้ว

    Amazing class.

  • @samarsoltan9128
    @samarsoltan9128 11 ปีที่แล้ว +3

    GREAT work ... Thank You!

  • @soomin913
    @soomin913 11 ปีที่แล้ว

    Hi, when is the next video coming? I'm really looking forward to the next one!!!

  • @KeynesAcademy
    @KeynesAcademy  11 ปีที่แล้ว +2

    Important Note: This video uses the notation SSR, SSE and SST for the sum of squared residuals, explained sum of squares, and total sum of squares, respectively. Unfortunately your textbook may use different notation and lots of notations overlap:
    1. The SSR is sometimes denoted as RSS, or less frequently the ESS (for error sum of squares).
    2. The SSE is sometimes denoted as ESS, or less frequently as the RSS (regression sum of squares).
    3. The SST is sometimes denoted as TSS.

    • @ryanowen3026
      @ryanowen3026 6 ปีที่แล้ว +1

      KeynesAcademy Chris why you gotta abandon this lectures like my dad abandoned me when i was young?

  • @laurajansen342
    @laurajansen342 5 ปีที่แล้ว

    Thanks so much!! Where can I find the next lecture?

  • @valpaccino8558
    @valpaccino8558 10 ปีที่แล้ว +1

    this was sooo helpful.I need more!! :(

  • @wiscatbijles
    @wiscatbijles 8 ปีที่แล้ว

    May I ask, does the 3rd property invoke that the linear model should go through the point (x^,y^)? Thanks for the vid.

  • @diti1983
    @diti1983 6 ปีที่แล้ว

    Hello, can you please explain Variances and Covariances? and also what y with a line above means?

  • @thomasgroves7333
    @thomasgroves7333 11 ปีที่แล้ว

    I would comment if I didn't understand anything but I understood everything. Thank you so much and please upload a new video.

  • @tsp8855
    @tsp8855 4 ปีที่แล้ว

    why must y bar and x bar be on the OLS line?