Deriving the OLS Estimators in Simple Linear Regression Model - Part 1

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In this video I derive the Ordinary Least Squares Estimates in a simple Linear Regression Model. This video is part 1 of 2.

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This was a very clear way of explaining it! I pay thousands of dollars for professors to ignore my requests for help and could not care less if their students pass or not. You're a great teacher, unlike everyone at Krannert Management School of Purdue U. Thank you!!!!

derekstreidl

I spent whole day trying to understand this but I finally did thanks to your video. Thank you so much

shireenkhan

Thanks a lot. It was easy to understand and explained really well. I appreciate it.

sushmithags

Probably the best video of this topic, thanks for this!

pruthvinbatham

Thank you! This video helped me understand with ease. Great explanation

akshar

Your are a friend my friend!! Thank you!

ivioalves

Nice and wonderful content. I would be very happy if you can calculate the coefficient in case of TLS or total least square method too

aloybackbanerjeeup

Can you please show one more thing of this calculation. Like how we can obtain intercept and slope of B0 and B1 after shifting line l to l'?

UniverseGames

This video is so helpful and clearly explained. Thank you so much!

But Please does anyone know why alpha hat a^ (which is not indexed by i) is in the summation but beta hat B^ gets taken out ?

oghenefejiroagbi

Thank you man, but why are we minimizing with respect to a and not x?

Lucyferandtheson

Man, thanks are not enough. But, thanks from the bottom of my harth.

peacego

Why after 1/n multiplication that alpha and beta becomes their respective hats

Economics

It is good but indeed there are some areas that need to be further clearly explained just like what others have oberseved

mathiasmbendela

I was beginning to think there is something wrong with my brain I understand this but in class I absolutely don't understand what those prof are doing and have to figure it out outside class.

ele

but why is alpha an inner function hmm

Akshay-cjhq

if you divide the first derivative by 2, should the answer be (yi-a^-b^xi)/2 = 0

You just casually got rid of the 2 and the minus sign??
🤔

aslay

Sir, great video. I need a little help, I have a question which I'm not understanding properly. Can you make a video of it to explain it to us. I can share the question to you, if you provide me your email address. It will be really helpful. Thanks in advance

UniverseGames

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