Statistics 101: Understanding Correlation

  Рет қаралды 717,083

Brandon Foltz

Brandon Foltz

Күн бұрын

Statistics 101: Understanding Correlation
In this video, we discuss the basic concepts of another bivariate relationship; correlation. Previous videos examined covariance and in this lesson, we tie the two concepts together. Correlation comes with certain caveats and we talk about those as well. Finally, we walk through a simple example involving correlation and its interpretation. Enjoy!
My playlist table of contents, Video Companion Guide PDF documents, and file downloads can be found on my website: www.bcfoltz.com

Пікірлер: 497
@YahyaMarei
@YahyaMarei 5 жыл бұрын
You saved my PhD analysis; May God bless you forever
@kimberleeflatt
@kimberleeflatt 9 жыл бұрын
In year 4 of 5 of my PhD. Multiple Regression Class is KILLING me! I found your videos as I am trying to increase my conceptual understanding of some of the information that is foundational to what we are doing now. I swear your positive words made me cry! Wish I had found you earlier! Thank you for showing me that there are good stats teachers on the planet, you are a rare breed!
@BrandonFoltz
@BrandonFoltz 9 жыл бұрын
Kimberlee Flatt Hang in there! I have an entire playlist on multiple regression is that if where you are. It may not go into as much excruciating detail as your class but it gives a good foundation on which everything else it based. You can do it! :)
@kimberleeflatt
@kimberleeflatt 9 жыл бұрын
I am on it now. I appriciate all of this effort on your end. I really do want to get this and maybe even be good at it! There's so much research yet to do! (My research interest is in Autism treatment specifically.) I wonder how many people you have helped across a wide range of focused study? You will never know the influence you have had!
@BruceKarrde
@BruceKarrde 7 жыл бұрын
2 years later; How is your research going? I have been diagnosed with Aspergers myself and my interest is in statistics :D
@betchitty
@betchitty 7 жыл бұрын
I agree. I am using this in my current work. While I learned/used this for my MBA, I've rarely used it in real world applications. The encouragement is appreciated.
@addmad99
@addmad99 3 жыл бұрын
Seriously.... you got into PhD and could not understand 100 level statistics ... advantage of being White born in a Western Country. Who gave to admission?
@karmaedwards5321
@karmaedwards5321 9 жыл бұрын
Brandon, your kind words of encouragement are absolutely awesome and heartfelt. Thank you so much!
@juanmanuelespinoza20
@juanmanuelespinoza20 5 жыл бұрын
I was struggling with the concepts of covariance and correlation, reading textbooks and papers where they just assume you knew, but now that I saw your last three videos of this list I can finally get them and move on to other material. Thank you!
@ashleephillips2784
@ashleephillips2784 5 жыл бұрын
You’re comment at the beginning like the pep talks just made my whole day , I had such much test anxiety and hearing that is exactly what I needed. You’re the best! Thank you for making a positive impact ! I’m going to ace my test now
@williamhopkins9478
@williamhopkins9478 9 жыл бұрын
I'm glad I found you! I'm doing an online class and was told to "google" the information I didn't understand...which is practically everything.
@TheMightyDrago
@TheMightyDrago 3 жыл бұрын
The introductory motivational talk is really what I needed right now. I haven’t even started watching the rest of the video and I already appreciate it so much.
@mmrelkholy
@mmrelkholy 7 жыл бұрын
I posted your channel in a group for people who study data analysis in Egypt, and reactions were very positive , thank you so much
@dithishetty6120
@dithishetty6120 4 жыл бұрын
You are such a great teacher , have recommended you to my classmates and Professor in Health care MBA studying data analytics and decision making, your videos are definitely one of the best in this particular subject, thanks again
@cassandrarasmussen4421
@cassandrarasmussen4421 4 жыл бұрын
O my goodness...the first couple comments of your video has me in tears....Thank you for the reminder. I needed it tonight!
@ryanhutchins2634
@ryanhutchins2634 8 жыл бұрын
Brandon, I cannot tell you how helpful it is to have the underlying concepts explained so simply and clearly. I use statistics a lot for work, but have not had a formal class in it save for the graduate version of mathematical statistics. I understood the math, but what I was computing, I hadn't a clue. This clarifies everything. Bravo!
@ratonton7373
@ratonton7373 8 жыл бұрын
Dude, thank you for the lesson! And for the encouraging words at the beginning of the video. Cheers!
@RohanKumar-vx5sb
@RohanKumar-vx5sb 6 жыл бұрын
you do it really well!! thank you, your set of videos on variance covariance and correlation have so far cleared my understanding the most, providing everything from definition to inutition to examples and the notion to look at scatter plots first. Thank you very much for making! :)
@micheleeaton6390
@micheleeaton6390 3 жыл бұрын
I just purchased the whole pdf companion guide because you're a fantastic explainer who understands how to communicate the connections between abstract concepts, analysis, and interpretation. Never stop teaching. Never.
@joyo.9562
@joyo.9562 9 жыл бұрын
Youy did a better job explaining correlation in 30min than my professor did in 1hour of class. GOD BLESS YOU!!!!!!! Love these videos. Ur a LIFESAVER!!!
@mrstoriseals
@mrstoriseals 2 жыл бұрын
Thank you for creating this video. As a college freshman that is starting college after 28 years of being out of any form of formal education, your videos have made it easier to understand and "get through" my statistics class.
@agila.p9807
@agila.p9807 4 жыл бұрын
The world needs teachers like you, you're the best math teacher I've ever had.
@koalaofdeath
@koalaofdeath 9 жыл бұрын
Thank you so much for making these videos. They are really helpful! My lecturer doesn't actually say anything in our statics module lectures, we just have to read off of a poorly worded word document. Your videos are actually making statistics understandable! Thank you so much!
@lalalovinlifelala
@lalalovinlifelala 6 жыл бұрын
you have such a natural knack for teaching, I swear I learn more from you in 27 min then I have from my prof all semester! Seriously god bless x
@luprof9686
@luprof9686 7 жыл бұрын
I've been watching tons of your videos lately since I'm preparing for my statistics final... Your videos and examples make it a lot more fun than I expected it to be! Thank you for dedicating so much time and thought to these, it's incredibly appreciated. The encouragement at the beginning of each video always keeps me going :)
@jennyollila7715
@jennyollila7715 7 жыл бұрын
This video was not only informative in helping me understand correlation concepts but it was also very encouraging as I'm struggling with a research and stats class having never taken a research or stats class before. Your encouraging comments at the beginning and end do not go unnoticed or unappreciated. Thanks so much!
@BrandonFoltz
@BrandonFoltz 7 жыл бұрын
Hi Jenny! Thank you much for the kind words. Creators like me really appreciate the feedback. Sometimes we just need confidence that we can indeed do it. And you can! You came to find the help you needed and that makes all the difference. Keep on learning! 🐞
@mycompbiophys
@mycompbiophys 3 жыл бұрын
The pep talk I didn't know I needed. I do heavy stats in my PhD and I have never had a stats class. You're a life saver.
@prayankkulshrestha2492
@prayankkulshrestha2492 6 жыл бұрын
Brandon Foltz I have no words for describing your work., A Big Thank you and gratitude for your all work.
@sarahfoster3820
@sarahfoster3820 9 жыл бұрын
I was just not understanding the textbook for my statistics class and could not get a good grasp on the concepts I was attempting to learn. After a long history of excellent grades and knowing I was pushing myself to exceed to the best of my ability, I was extremely affected and stressed over the possibility of failing the class. Your videos have really helped me fit the information together in a way that I was just not capable of doing on my own. The laymen explanations, the relatable examples and the positive reinforcement that we as students are doing great really encouraged me to continue pushing through! As of right now, I am maintaining a 96 in the class with only one assignment and one paper left to go (which brought me back to your correlation and regression videos)! Thank you for taking your time to help others succeed and I would definitely keep your intros!
@skua88
@skua88 3 жыл бұрын
Talented educator with superior teaching skills. Watching this video in 2021 and finding your tutorial to be just as relevant and helpful in understanding statistics 101. Thank you!!!
@jn8086
@jn8086 9 жыл бұрын
The best explanations in the concepts I have seen on KZfaq, and I've looked at quite a few.
@kooisengchng5283
@kooisengchng5283 7 жыл бұрын
this is both a revision and learning something new. Keep the talks coming. Grateful to you.
@andrewmorton1237
@andrewmorton1237 10 жыл бұрын
Thank you for the tutorial. Great encouraging words also, I was a struggling student today, then the light went on.
@kathyknapp5519
@kathyknapp5519 3 жыл бұрын
Your classes are always very helpful! Thank you, Brandon!
@therob107
@therob107 10 жыл бұрын
Great job! You have a real talent for giving clear explanations! Thanks.
@Wonder503
@Wonder503 3 жыл бұрын
I deeply appreciate the two messages at the beginning of the video. Very encouraging. Thank you.
@mosirhan8548
@mosirhan8548 8 жыл бұрын
Great video, slow enough to take notes while also quick enough not to take too much time!
@applebeans1
@applebeans1 10 жыл бұрын
You are such a great teacher!! Thank you for your uplifting words, I now have the motivation to study for my exam :)
@BrandonFoltz
@BrandonFoltz 10 жыл бұрын
Well thank you! People like yourself inspire me. You will do great I know it! Best, B.
@TRUE48KING
@TRUE48KING 8 жыл бұрын
Brandon, thank you for this video "Understanding Correlation". You're right, for someone like me, a beginner in Statistics, you presented the information a such a simple and concise way that it was easy for me to "correlate" and understand. Thanks again.
@StArGiRlx426
@StArGiRlx426 7 жыл бұрын
I've always hated math & currently struggling in a stats class. Your encouragement in the beginning really gave me a boost
@damarrahjameson482
@damarrahjameson482 3 жыл бұрын
Hey Brandon, you are an awesome teacher...the best for advance stats beginners. Teaching/instructions style and approach is key for learners in my opinion. Because of my initial challenges with stats courses, i seriously gave thought about doing research on working memory and cognitive load theory around stats teaching/learning at the graduate level. I found that that teaching/instruction style was key for me, key to understanding/learning...I would blame myself and wondered if I had a math disability but this wasn't the case once I connected with the right teacher and found a rhythm and way of learning stats. I love the way you combine instruction with visuals, and you keep language simple/basic. You are a God send. Wish I would've discovered you two years ago. I've been watching your videos over the past day and a half. YOU ROCK! This semester will be my first semester, at year 4 of my PhD program, walking into a stats class confident and ready, and actually excited about the course.
@HectorHernandezOrtega
@HectorHernandezOrtega 6 жыл бұрын
I'm taking a masters degree in Data Science and Big Data, I have a Computer Science background, and there are terms or concepts that were long forgotten and I'm struggling with everything related to statistics. I just found your videos and I've watched so far a couple of them. I cannot thank you enough for putting all this together and giving me the foundation I needed to continue with my masters. I appreciate you take the time for sharing your knowledge with this community and your positive words make a real impact.
@8sampan9
@8sampan9 Жыл бұрын
Love the quotes you use at the beginning of videos + your words of encouragement for learners.
@NakedInPlayground
@NakedInPlayground 9 жыл бұрын
Hello Brandon, thank you so much for your videos, they are so helpful and really easy to follow ! I appreciate the time you gave us and your efforts and thank you for being supportive and encouraging ! Have a great day
@AlanBoatyman
@AlanBoatyman 10 жыл бұрын
Mr Foltz - you are an amazing educator! I have done courses on statistics in my younger days, but I am going to view all you videos as a refresher! Thanks so much for your time and effort.
@raquelchin4744
@raquelchin4744 5 жыл бұрын
Aw I have an exam tomorrow that’s really been giving me such anxiety and I almost cried during your introductory pep talk. Thank you for your content! This is my second video of yours I’m watching and I’m starting to feel more comfortable with correlation and residuals.
@sameerathaju566
@sameerathaju566 3 жыл бұрын
You Sexy feeling
@maxinelyu7875
@maxinelyu7875 7 жыл бұрын
Thanks for being an excellent teacher and telling me to believe in myself!
@BrandonFoltz
@BrandonFoltz 11 жыл бұрын
Hi Monique! I am very impressed that you are taking the proactive steps to prepare for the fall semester in April. You should give yourself a large pat on the back for that. Remember there is no need to get overly worked up over the math of stats. IMHO the real important part of stats is understanding the concept behind what you are doing and then the interpretation. You can do it! All the best, B.
@ejeducate
@ejeducate 4 жыл бұрын
ugh, I wish I discovered this channel like...10 months ago when I had my econometrics class, it would've been a lifesaver. This will help a lot of those who have advance statistics or econometrics. I would recommend though you apply them using SPSS that way you'd help us research student understand more about it. I have a question if you please can answer me, it is related to regression and correlation. so I know that we have to have a high r-square in the regression to show a strong relationship. when I'm running simple linear regression the r-square is negligible (0.17) it is so low also pearson correlation is low at 0.4.I can understand that other factors could contribute to the effect other than this one and that is what I will say when I defend my thesis, but the thing is I came across something that says if your purpose is to predict then you have to have a high r-square. Considering my research question "does workplace bullying predict employees' intention to leave" will this affect negatively my thesis? should I change the 'predict' into 'affect' so no misunderstanding or problems arise when I discuss my results? second: workplace bullying is divided into three groups, does that mean I should use multiple regression instead of linear? I used linear because it is 1 independent variable in the main research question. I did a linear regression for the three groups separately. Thank you in advance!
@chrisbrooks7556
@chrisbrooks7556 6 жыл бұрын
Seriously, please don't stop making these videos. I know this came out in like 2013 but seriously, thank you thank you thank you.
@iokastiandroutsou773
@iokastiandroutsou773 6 жыл бұрын
YOU DESERVE CONGRATULATIONS AND MANY THANK FOR MAKING ME LOVE STATISTICS AND HAVE HOPE TO FINISH MY MSC.
@adalidmedina2217
@adalidmedina2217 6 жыл бұрын
THANK YOU SO MUCH FOR THE PEP TALK AT THE BEGINNING. You are so kind. I seriously was thinking of dropping this class... but you know what? I have faith in me!
@sameerathaju566
@sameerathaju566 3 жыл бұрын
You sexy feeling
@simsohi
@simsohi 9 жыл бұрын
These videos are excellent, thank you! Very nice straight forward structure, and you have an engaging voice, unlike most others I've attempted to watch.
@sahb8091
@sahb8091 9 жыл бұрын
You deserve more subscribers, you're getting me through college!
@BrandonFoltz
@BrandonFoltz 9 жыл бұрын
B Ali Spread the word! :) But actually, you are getting you through college. By going out and finding the resources you need to learn, you are punching your own ticket to success. Keep on keeping on!
@yuyanjiao3107
@yuyanjiao3107 5 жыл бұрын
Thank you so much. Thanks to your explanation, I got a better understanding of what my professor failed to explain well. And also thank you for your encouragement!
@BrandonFoltz
@BrandonFoltz 11 жыл бұрын
Oh thanks so much Amy! It is my great pleasure to help where I can. Just pay it forward as the opportunities come, so the saying goes. All the very best! - B
@gagandeepchani2169
@gagandeepchani2169 3 жыл бұрын
I learn Parametric and Non-parametric tests from your videos, Best channel for learning statistics.
@goblue9784
@goblue9784 10 жыл бұрын
Thank you so much for all your great videos! Keep adding more! You are helping so many people. Greatly appreciated. :)
@mariahsofiah
@mariahsofiah 4 жыл бұрын
You and your hard work are SO appreciated!!!!!!! Thank you!
@lukaskinezi430
@lukaskinezi430 4 жыл бұрын
By the way dear Mr. Brandon you gotta gift of God to teach people. The way you give example and notice about diferrences in between real-life and the theoretical patterns is obviously fantastic! Keep it up.
@catherinesutton8898
@catherinesutton8898 2 жыл бұрын
I loved the positivity in this video. Thank you!
@begum1lik
@begum1lik 7 жыл бұрын
OMG Thank you! I have been failing this lesson for a while now! It helped me a lot :)
@rameshwarkshirsagar5636
@rameshwarkshirsagar5636 2 жыл бұрын
Everyone is complaining why didn't I find this channel some months before and so. I won't do that . I have exam due in 40 days and I have been following this channel like since beginning of my preparation ! I believe my exams are going to be good. Thank you Brandon Foltz !
@MsNurseone
@MsNurseone 9 жыл бұрын
Thank you for the motivation, I really needed it. Your video helped me and I did get a better understanding of covariance and correlation.
@dwallace21000
@dwallace21000 10 жыл бұрын
Thank you sooooo much! I now have a better understanding of correlation. Your video is a great resource for me. I plan to view all of the others.
@cwmasta1
@cwmasta1 7 жыл бұрын
Excellent video, crisp, clear and easy to follow. Thank you!
@jefferyritter
@jefferyritter 10 жыл бұрын
Thank you so much. I'm taking statistics and my major is public relations. Needless to say I am completely lost and this is very helpful! I go to school online so all I have is a book to go on and it's great to have someone explain this to me
@maneesh619
@maneesh619 6 жыл бұрын
Hi Sir, With all due respect, let me thank you for having cleared confusions of my mind on the terms: Covariance, correlation. Please do create such videos with more topics and help us. May the god bless you for your good deed. Thank you, Maneesh Mohan.
@xiaoyuanlim8095
@xiaoyuanlim8095 10 жыл бұрын
i like how you start your video and end off with encouragement ! very well explained, thanks Brandon !
@sahb8091
@sahb8091 9 жыл бұрын
I always admire terrific teachers! You sir, are among them. Please do continue making videos, both introductory and more challenging.
@BrandonFoltz
@BrandonFoltz 9 жыл бұрын
B Ali My goodness thank you so much for your kind words. Many more videos are in the works. Time is the only constraint and I refuse to sacrifice quality, so they take time. stay tuned!
@fnjyusername
@fnjyusername 9 жыл бұрын
***** Hi sir, I'm not sure if Kalman filter is in line of statistics studies, but if it does, I hope youll make some introduction. On signal smoothing, we normally use SMA and EMA, but Kalman is a step forward. Thank you indeed outstanding teacher.
@harin4
@harin4 5 жыл бұрын
@@BrandonFoltz hii can we use subjective probability into our regression analysis if yes how
@neumannkai2208
@neumannkai2208 9 жыл бұрын
Hi Brandon. Thank you so much. My Stats lecturer demonstrates, let us say, a less than perfect correlation between her assumed knowledge and the necessary paedagogics involved. I am glad that I found your lectures and actually enjoy the topics for the first time ever. Considering that I am a relative dinosaur and have some ancient doctorate to my name, that speaks for itself and for you. Diolch yn fawr
@ERIKAZM
@ERIKAZM 6 жыл бұрын
This is the 5th video I have watched. I really admire the simplicity of teaching these topics.
@af010
@af010 9 жыл бұрын
Thank you sooooo much, please keep uploading such videos. You explained correlations in a more coherent manner than our lecturer. I LOVE YOU.
@Surya42930
@Surya42930 11 жыл бұрын
One of the best explanations ever seen...thank you dear Brandon
@Shebly30
@Shebly30 9 жыл бұрын
Thank you so much. I been struggle, so this video really helped me. Thank you for the support as well. I needed a little push of support.
@jermaineallgood
@jermaineallgood 8 жыл бұрын
Thanks so much for these videos!!!!! You took the mystery out of learning statistics. I am using these videos for learning data science which is helping me a great deal :)
@prabritipathak3985
@prabritipathak3985 7 жыл бұрын
stat was killing me as i was not intrested to learn it..meanwhile i found ur video that has boost my intrest on stat..thanku so much..u deserves lots of respect.
@Esther-ez2op
@Esther-ez2op Жыл бұрын
Thank you so much, this was so helpful to my Statistics finals. We appreciate your efforts
@BrandonFoltz
@BrandonFoltz 11 жыл бұрын
@abhi124s Fantastic! Thank you for your comment. I am thinking about doing some Statistical Quality Control videos in the future so I am glad you are able to apply them to your QA work. Best of luck on your ASQ Black Belt certification! Best, B.
@cursoagenial4780
@cursoagenial4780 5 жыл бұрын
And once again, your lecture helped me a lot. Thank you very much!!
@asiddiqi123
@asiddiqi123 4 жыл бұрын
You are not only a teacher but a healer too.
@vasili111
@vasili111 10 жыл бұрын
Thank you very, very much! It is very easy to understand statistics from your videos!
@ARJUN7478
@ARJUN7478 4 жыл бұрын
Thanks Brandon Foltz for this incredible video, it has helped me a lot with study.
@tenuousremarried
@tenuousremarried 9 жыл бұрын
I want to thank you for helping me to pass my statistics course.Your videos are very helping to students.
@bongiperez7565
@bongiperez7565 3 жыл бұрын
It's 2021 and you are still the best
@eusouojonathan
@eusouojonathan 8 жыл бұрын
10/10 Brandon, content and pacing are stellar
@user-xt8up2qi9b
@user-xt8up2qi9b 3 жыл бұрын
The opening of this video hits different in times like these thank you!
@BrandonFoltz
@BrandonFoltz 3 жыл бұрын
You're so welcome!
@lukaskinezi430
@lukaskinezi430 4 жыл бұрын
Now I got it why I always will need at least have an eye on my data scatterplot: If the scatterplot of the data does not bear resemblance to a linear shape itself that means it is not applicable for correlation concept being applied onto bivariate data! Love it!
@ElizaAlexii
@ElizaAlexii 9 жыл бұрын
I actually think I can pass my stats exam now. Thank you so much, I wish you were my lecturer.
@jackedpikachu4786
@jackedpikachu4786 7 жыл бұрын
Thanks for this. I had a test on correlation that I didn't do so well on and I didn't understand it when my teacher explained it to me, this really cleared things up.
@minjaekim5302
@minjaekim5302 8 жыл бұрын
WOW, YOU ARE A REALLY GREAT TEACHER I EVER !!!!! slides are really clear, and explanation was perfect for everything! Thanks again
@Greenshoppr
@Greenshoppr 6 жыл бұрын
Thanks very much for this informative video. I'm in a doctoral program right now and really needed the review of stats.
@gigil1208
@gigil1208 7 жыл бұрын
Your videos are the best. Thank you so much!
@shashanksaurabh5999
@shashanksaurabh5999 8 жыл бұрын
Professor, It's explained lucidly. Suggestion: Pls. give a small question at the end for practice. Thanks
@mrezamrt7812
@mrezamrt7812 9 жыл бұрын
Great Video, Thank you so much Mr. Folts
@exkalina
@exkalina 9 жыл бұрын
Thank you so much, pls keep making videos, you are very helpful and very good at explaining! So happy I found you!
@leticiaacevedo2345
@leticiaacevedo2345 6 жыл бұрын
Thank you so very much. This video has helped me a lot. I will be looking for more of your videos.
@pierre-marcjodoin5991
@pierre-marcjodoin5991 6 жыл бұрын
Again a great video. So many thanks Brandon!
@MrEddieboy97
@MrEddieboy97 4 жыл бұрын
Thank you! I hope you will continue your work for many years to come 🙂
@chemstid30
@chemstid30 9 жыл бұрын
Very special thank's to you Prof.Brandon..
@gsanjaypratap
@gsanjaypratap 7 жыл бұрын
Amazing Videos about Stats....Simply crystal clear about foundations....very helpful...Big Thank You...Brandon
@AaronCarlsson
@AaronCarlsson Жыл бұрын
Thank you for posting this video, it really helped me.
@nataliamoreno1
@nataliamoreno1 8 жыл бұрын
U saved my life. thanks ... very clear explanations
@fallenknight86
@fallenknight86 10 жыл бұрын
Thanks for explaining these concepts so well. The quality of your work is exceptional.
@lindasturm-flores6752
@lindasturm-flores6752 3 жыл бұрын
Very clear explanation! Thanks so much.
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