Principal Component Analysis (PCA) - easy and practical explanation

This is one of the best explanations!!

This is the best video for beginners to understand PCA. Thank you, Biostatsquid!

Thank you for making it easy for me. God bless.

I think this is a very good explanation. The mathematics behind PCA is beautiful. However, this explanation is all you need. ❤

This channel has been an invaluable resource for me. Thank you!

best and easy-to-understand explanation about PCA. Thanks a lot

Thank you very much, its the best basic video about PCA 🎉❤❤

Very well explained

This was a great video..can you do one for LDA and PLSDA....thank you❤❤

Thanks for the great explanation of PCA 😊

This was brilliant, thank you

I have a question:
Let's say I want to calculate the PCA of children's grades at school to know how it impacts the final grade average of each child. For that I have my sample, which would be all the children in a class, for example. Then I have the grades of those children in different subjects such as Math, History, Physical Education, etc. And I also have the average. Do I add the average as another variable to the PCA analysis? Or should I make a correlation, for example, between PC1 and the average and see the PCA loadings?

Very good teacher! Thanks!

good work. thanks

Thanks for the video, this really explains it in a nutshell! This may be not in your alley, but what would PC2 to be if you would plot geochemical data with each variable being an element (PC1 seems to be rock type). Thanks in advance!

SUPERB THANKS <3

Perfect explanation for Principal Component Analysis

How do someone find out the linear combination of PC1?

So simple and clear. U are awesome.

This is the best tutorial I have ever seen. Thank you so much.

Great video. It explained PCA in a very simple and clear way. Thank you!

i have suffered with PCA for two years and this video just made it so easy for me

the best video i found regarding loadings, but you don't mention the scores

Bravissima

Thanks!

Wonderfully explained! Keep up the great work, Biostasquid.

This is the best video I found on PCA!
Can't thank you enough Biostatsquid!❤

Walker George Clark John Garcia Anthony

Incredibly clear ! Thank you, and congratulation

Absolutely brilliant explanation.

A big thank you!! I have this topic in my semester exams, and everyone around me is mugging up, upon asking what it is actually, they give me definitions that do not satisfy me, this single video clears a lot in understanding PCA. I wish I had a teacher like you in my college.

Thank you for such informative, easy-to-understand content!

Although I don’t use PCA in my workday, I think this is the best video out there explaining how PCA works. Good job 👍

You are exceptional 🤩

I have been struggling to understand PCA for days 🤯, despite reading many articles and watching countless videos, but this is by far the best and easiest to understand explanation, thank you!! 🥳

A very clear and engaging introduction to PCA. It was new to me, and I came away with a good impression of how it would be used. Thanks very much!😀

Whole world creator's godfather bless you all always and you all love and remember godfather with your pure hearts.

How to explain which factors contribute to PC1 and PC2? by biplot graph.

I'm currently watching without logging into my Google account. 😊 However, halfway through, I made the decision to log in, hit the like button, and subscribe to your channel. 🎉 Thank you for your valuable content—it's truly helpful, and I encourage you to keep up the great work! 👍

Hi thank you so much for explaining PCA in such a clear way. I've been really stressed about understanding it for my uni stats exam, but now I feel much more confident :)

Very good high level video!

Please can u tell me how can we calculate principal loading. I am a bit confused to this part.

So well explained. Thanks a bunch!

I have watched so many videos trying to understand pca ..and this by far is the most interesting with fundamentals fully explained

Amazing content, clearly explained! :)

very well explaining

Simply excellent !

I am now convinced that there are no tough subjects, only ineffective tutors. I have been struggling to understand this concept for over 3 years, and here I am, within 11 minutes things have fallen into place.
An expert not necessarily be a great teacher. There might be great experts assigned in educational institute to teach such concepts.
But someone like you is what we need in our schools and colleges (expert and well articulated).
Simplicity is the utmost form of sophistication.

Thanking you from the bottom of my heart.
Keep on helping people like us.

Perhaps another video on how to do it in R will be great hit.

it's well explained for begginer to understand the plot,but if you wanna know how to do it,this video can't help you