You are really good 😮😮. I can't express myself because I have exams next week and you just simplified it with ease and I also learnt with ease
@ዜናመትሄትበከፊልዜናመትሄАй бұрын
4) On the basis of the information given below answer the following question( 5points) ΣΧ12= 6400 ΣΧ1Χ2 = 8600 ΣΧ2=800 ΣX22 = 7300 ΣΧ1y= 8400 ΣΧ2Y=27000 ΣY= 1600 ΣX1= 500 n=50 Σy12=56,000 a. Find the OLS estimate of the slope coefficient b. Compute variance of B̂2 c. Test the significant of B̂2 slope parameter at 5% level of significant d. Compute R2 and Ṝ and interpret the result e. Test the overall significance of the model
@archiverecord2 ай бұрын
thank you!
@JestoneChibuye2 ай бұрын
Thank you
@JestoneChibuye2 ай бұрын
Thank you for this
@fortunadesena41235 ай бұрын
GREAT
@viktorkhan85185 ай бұрын
7:21 Did you mean Yi here? Instead of Y1
@jaybee23295 ай бұрын
Is the sum of the error term the same as the expected value of the error term, since both equal zero?
@viktorkhan85185 ай бұрын
6:52 Is the bar notation here the same as E[], i.e., the expected value?
@mwanganamubita96175 ай бұрын
Excellent presentation and clear! Thanks. Is there a way of including AIC?
@safiranajuba80936 ай бұрын
My listening skill is not well, please adding the subtitle so that i can understand it more
@theodoreduring67337 ай бұрын
Thank you so much! Merci infiniment pour votre clarté absolue.
@maryobourgyimah86387 ай бұрын
Could you please do this in matrix form?
@loveconomics8 ай бұрын
Why did you assume \sum(x_i - x_bar) = 0 in @5:00 but then take a conditional expectation of the same variables in @8:00 ? I would have just assumed they both equal to zero and have the \sum(xi-x_bar)^2 cancel. You would be left with beta_1_hat = beta_1. Great video either way. I am just not sure why you didn't assume \sum(x_i - x_bar) = 0 for both cases.
@topracer09 ай бұрын
I am so upset for finding your videos late
@topracer09 ай бұрын
I dont know what I am gonna pass the exam
@Ad1lkhan9499 ай бұрын
Same mate, good luck xD
@yuanyuan53199 ай бұрын
Wait, after we get sum z_i*(y_i - y-bar) = n_1(y-bar_1 - y-bar), we can similarly get sum z_i*(x_i - x-bar) = n_1(x-bar_1 - y-bar) - Why don't we just cancel out n_1? In this way we will get beta = y-bar_1 - y-bar / x-bar_1 - x-bar. This must be wrong (because otherwise y-bar_0 = y-bar and x-bar_0 = x-bar), but I don't see why we cannot cancel out n_1 at this stage.
@dominickelly539 ай бұрын
To find Beta 2 Hat is it the exact same method as finding Beta 1 Hat? But Step 1 would instead be: xi2 = a0hat + a1hat * xi1 + ri2hat
@alyanilatifah84479 ай бұрын
Good explanation and video!!
@motorbikemichael11 ай бұрын
this is top tier explanation
@ZileHuang-m8j11 ай бұрын
the last section of 'Note', why we take the mean value instead?
@christophertang4511 ай бұрын
Thank you so much!!!!
@anushkabhosale568011 ай бұрын
Bro have an exam tomorrow and you made it super simple to revise...! thank you
@mishrapaniamazingworld2147 Жыл бұрын
Why Yi hat does not include ui hat
@mjlius5758 Жыл бұрын
Hey I think I got lost from 6:36 onwards
@lessthanzero. Жыл бұрын
Really clear explanation. Thanks man!
@Daniel-ii4zq Жыл бұрын
Liked and fully watched!! This channel desperately needs smzeus!!
@গোলামমোস্তফা-শ৮থ Жыл бұрын
Why the sum of (xi-x(bar)) is constant? Here, xi takes different values!! And why you take conditional expectation?
@abdulbasithassan4634 Жыл бұрын
Its a good presentation
@fethiye8114 Жыл бұрын
Can you tell me between 9 and 17 minutes please
@fethiye8114 Жыл бұрын
Could you please tell me after the 9th minute?
@Ahmedgamal-py8sj Жыл бұрын
why the residual of partialling out not equal the residual of ols ,whereas the residual of fwl = residual ols
@rafaellemos2478 Жыл бұрын
You teach really well! Thanks a lot!
@SoumenDeyStat Жыл бұрын
Maybe it is better to mention upfront that you have assumed X as stochastic in the proof.
@zubiyamoin6289 Жыл бұрын
Thank you so much for the amazing video. The book completely skipped this explanation part which drove me crazy. Finally understood with your explanation.
@dantewilburchang8790 Жыл бұрын
I still don't get it I guess I'll watch it 10 more times :(
@RemiDav Жыл бұрын
If it is not clear, maybe you can be more effective by covering the prerequisites instead of rewatching it. To understand it, you need 2 things: calculus and optimization. Maybe watch some videos about these topics first, then the video should become easy to follow.
@dantewilburchang8790 Жыл бұрын
@@RemiDav Ok thank you
@amosouma3236 Жыл бұрын
This has contributed a lot to my understanding. Thank you
@jgenert Жыл бұрын
You legend, I hope you're still teaching.
@jacobfewings4068 Жыл бұрын
Thank you so much for this, much easier to understand than my lecturer 👍
@markotorca2 жыл бұрын
Amazing video g
@vaibhav_uk2 жыл бұрын
CAN'T BELIEVE THIS WAS SO SIMPLE
@ruochenli59782 жыл бұрын
Thanks for showing this derivation step by step!
@muhammedmehdirezaee75682 жыл бұрын
Anyone from ETC 2410 here? 😅
@aishwaryapotdar13482 жыл бұрын
Just wanted to say that I really appreciate all your efforts for putting these up, it's helping students even 7 years later, thank you :)
@niranjanamaheswari2 жыл бұрын
Thanks a lot
@ruthmeilianna27362 жыл бұрын
thank you, really helpful
@jacktoogood64222 жыл бұрын
How do we prove unbiasedness of b0?
@shia_seed_2 жыл бұрын
Thank you for taking the time and making this video.