Introduction to ANOVA

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  • Опубліковано 24 лип 2024
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КОМЕНТАРІ • 74

  • @RainerShines
    @RainerShines 5 років тому +8

    Thank you for this video! I am a 4th year psychology student who put off taking the mandatory statistics course until the last possible second! So I sit in class, confused, with a bunch of 2nd year students every week. Online tutorials like this have been probably the only reason I've been getting marks in the 70s and low 80s so far. Good luck to every other math-hating student like me who has to take stats to get their degree!

  • @shalinajoy2803
    @shalinajoy2803 10 років тому +69

    I thought I was smooth sailing as I came to the end of my PhD program, but then I ran into the STATISTICS brick wall! What a nightmare this has been for me. I am so grateful that I have found your channel. You have such a way of explaining things. I am definitely going to subscribe! I have to be sure to watch more videos before dissertation time :(

    • @michaelutin4836
      @michaelutin4836 10 років тому +14

      This guy has a gift for explaining things (statistics) a gift even (some) top notch professors lack.

    • @meallmighty4ever
      @meallmighty4ever 9 років тому

      Shalina Joy i am at the same place where you had been, the brick ball of surface response method and design of experiment part. The you tube tutorials with solved examples are infact a boon

    • @saryarohit2925
      @saryarohit2925 8 років тому +3

      Yes, his voice is smooth, calming, and crisp. Good intonation!

    • @Adrian-ly7by
      @Adrian-ly7by 6 років тому +1

      it is...

  • @MsBRETTB
    @MsBRETTB 6 років тому +5

    Thank YOU, finally a video that gives a simple explanation.

  • @shortwhat157
    @shortwhat157 7 років тому +51

    I am studying a degree and my lecturer for research method only speaks with no visual ques which is not my preferred way of learning. You've literally turned a 1 hour lecture that confused me to hell into a 7min video that I 90% understood. thank you so much.

    • @OMejia-bt5ij
      @OMejia-bt5ij 5 років тому

      he turned my 2 and a half hr lecture into 7min video that I now understand better

  • @mbbk7337
    @mbbk7337 11 років тому +1

    thank you so much for your videos. they are a wonderful addition to my biostats class for my masters in family nurse practitioner. so easy to understand and extremely well done. keep up the great work.

  • @swaminathans1981
    @swaminathans1981 12 років тому +1

    Beautifully explained! I am taking my Six Sigma Black Belt Certification Course and just saw some of your lectures. You have a great teaching talent!

  • @saryarohit2925
    @saryarohit2925 8 років тому +1

    Thanks for posting these videos. They are super informative and clear. They are also always well-organized with a good structure and the content is always sufficient. Examples are useful as well.

  • @lorikaimadison9361
    @lorikaimadison9361 4 роки тому

    That was so good! The organization of it all! Thank you!

  • @leewayexpressionsave2682
    @leewayexpressionsave2682 3 роки тому

    I am so thankful for you sir .. You are so brilliant , I learned a lot.. God Bless you. May have long long life ahead...

  • @feebee1982
    @feebee1982 5 років тому +7

    This is “short, but powerful” like we say in Dutch. Thank you for this clear video! 👌🏼

    • @tjalerkon3680
      @tjalerkon3680 5 років тому

      feebee1982-You are awesome, you make dinkys happy

  • @amanansari5567
    @amanansari5567 5 років тому +4

    anova method to compare the means of two or more groups, with t test we compare to more samples, in anova we have factors and level, like gender is a factor and male and females are levels.
    Some assumptions in anova is that the we have a normal distribution for the sample means, outliers are removed from the data set.
    Hypothesis in anova - Imagine having one factor with three level then is null hypothesis all the level are equal while alternate hypothesis is like not all factor are equal. when dealing with the effect of one variable is called the main effect.
    now two factor with three level then there are 3 sets of hypothesis null hypothesis all the level are equal for each factor while alternate hypothesis is like not all factor are equal for each factor. Then null hypothesis is two factor being similar alternate hypothesis is two factor are dissimilar. Interaction effect. So when you do plot and if the line cross each other then you can conclude that it has interaction effect.
    types of anova - one vay anova, one factor with at least two independent levels, repeated measure anova is one factor with at least two dependent levels(like measuring the people for something at day 1,2,3), factorial anova is two or more factors each having two level and the level can be dependent or independent or mixed(days 1,2,3,4 in columns and M & F as another level in rows ).
    When we reject the null hypothesis we are saying that there is a difference, but where is it. For this after anova is a done we have do post hoc analysis to find where the difference lies.
    While doing anova we calculate F statistics. If there is no difference between the factor or variable we expect F to be 1 if there is difference we expect F to be greater than 1. F statistics is always positive. so if F ratio< = 1 null hypothesis is true of f ratio is > 1 then null hypothesis is rejected.

  • @ashutoshpatil26
    @ashutoshpatil26 6 років тому

    thanks for the introduction thats what i was in need for

  • @MrCastleking1
    @MrCastleking1 4 роки тому +2

    WOW! I have sat through so many lectures not knowing what on earth my lecturer is talking about.... Thank you so much for your straight forward and simple explanation! Stats isn't that hard after all!

  • @ashishyadav88
    @ashishyadav88 7 років тому

    Thank you for making this video. it was very informative

  • @suzannerodriguez4485
    @suzannerodriguez4485 7 років тому

    So helpful! THANK YOU!

  • @Steph2285anie
    @Steph2285anie 3 роки тому

    These videos are awesome, thanks!

  • @animals42life8
    @animals42life8 5 років тому

    Hey very good lectures. Can I know what reference books are you using in learning statistics? Thanks.

  • @leeyan4950
    @leeyan4950 10 років тому

    how can i get the null hypothesis from anova table

  • @DazzlEffect
    @DazzlEffect 11 років тому +1

    You are amazing! Thank you !

  • @Beena1389
    @Beena1389 11 років тому

    Thank you. Great explanation.

  • @tuqamahdi
    @tuqamahdi 7 років тому

    big thanks from my heart

  • @vipashapmehta
    @vipashapmehta 3 роки тому

    tysm, it was very good and clear video. i understood the overview of the content well.

  • @sutanukamitra5584
    @sutanukamitra5584 7 років тому

    I didn't get the calculation of sum of squares between the groups..my squares r coming diff. how come 40.7 multiplied by 5 equals to 203.3?

  • @shinhyelee3169
    @shinhyelee3169 5 років тому

    Super clear! Thanks!

  • @mysisterskeeper9593
    @mysisterskeeper9593 4 роки тому

    Awesome, straight to the point 👍🏽

  • @chungtzuyin6484
    @chungtzuyin6484 11 років тому

    it helps a lot. thank you so much.

  • @ankushbhawal4428
    @ankushbhawal4428 5 років тому

    Thank you sir so much....what a video....

  • @shishirmahmood1766
    @shishirmahmood1766 8 місяців тому

    Excellent !!

  • @vinitkatariya2585
    @vinitkatariya2585 2 роки тому +1

    The pdf or ppt of these lectures will be very helpful.

  • @Drchemtrail
    @Drchemtrail 11 років тому

    So what would rope hanging in the ocean and the amount of muscle growth on the rope for 3 seasons be? Would the rope be the factor? The muscles? Or the season?

  • @ridhimarai8817
    @ridhimarai8817 4 роки тому

    Great video THANKYOU 😇😇

  • @deuwagurung832
    @deuwagurung832 Місяць тому

    Thank you!

  • @askme6855
    @askme6855 6 років тому

    Which ANOVA test needs to be done if I got a data set with 3 variables(Factor) with 4 levels. (ANOVA:Single Factor, ANOVA: Two-Factor with Replication, ANOVA:Two Factor without Replication. In Excel.

  • @reikowilliamson9327
    @reikowilliamson9327 11 років тому

    ...very informative. I actually understand.

  • @aiyshasulaiman5755
    @aiyshasulaiman5755 5 років тому

    So helpful!

  • @ruksarjiwani7263
    @ruksarjiwani7263 6 років тому

    It Really helpful Thankssss

  • @utubemania9079
    @utubemania9079 5 років тому

    Thanks a lot.🙏

  • @--Zaki--
    @--Zaki-- 7 років тому

    Hi sir, U lectures are superb and easy to comprehend. But I have a small suggestion that your speed is little bit fast. Sir your lectures are learnt by everyone worldwide so there are different people with different pronunciation. Hope you don't mind

  • @abrarawwubet2297
    @abrarawwubet2297 7 років тому

    thank you post this video

  • @pashmak2000
    @pashmak2000 12 років тому

    It's cool. Teaching Stats in a simple way...

  • @willknowledgecentre
    @willknowledgecentre 7 років тому

    Thank you

  • @McMurchie
    @McMurchie 11 років тому

    This was great!

  • @garretthaslam3869
    @garretthaslam3869 5 років тому +7

    Oh my GOD, I had no idea that stats could make sense.

  • @kylmaz5782
    @kylmaz5782 Рік тому

    Hello. If our hypothesis was "Ho: μA1 = 5", what would our solution be? (That is, judging by its equality to any number.)

  • @deepvarma6474
    @deepvarma6474 9 років тому

    Good one

  • @ahmedam77
    @ahmedam77 11 років тому

    excellent :)

  • @fluteophone54
    @fluteophone54 11 років тому

    im still lost on the f-statistic :(

  • @casseykenflandez4693
    @casseykenflandez4693 4 роки тому

    the dependent and independent variable part so confusing..

  • @darraghh6384
    @darraghh6384 6 років тому

    you're good

  • @tusharmodi9883
    @tusharmodi9883 8 років тому +9

    your content is really very good but the speed is very fast for beginner.

    • @lovebunnykaz
      @lovebunnykaz 8 років тому +5

      +tushar modi Pause the vid, take notes and research on google. It's perfect speed.

    • @saryarohit2925
      @saryarohit2925 8 років тому

      This is exactly what I do! Sometimes you need the person to repeat it again and again until you get it.

  • @marialenacarrera9377
    @marialenacarrera9377 12 років тому +1

    hi, I'm nena and OMG I GET IT... and I never understand anything in stats.

  • @irfanarisaldy
    @irfanarisaldy 6 років тому

    good presentation, but is to fast for beginner bro

  • @sohailahmed7283
    @sohailahmed7283 5 років тому

    Great

  • @maxpercer7119
    @maxpercer7119 4 роки тому

    I think F should be F = treatment differences / random differences

  • @jesseparker1999
    @jesseparker1999 5 років тому

    ANOVA compares the means of three or more groups, not two or more. Other than that, great video.

    • @nguri139
      @nguri139 5 років тому

      As far as i know, eventhough t-test are more preferable and commonly used for two groups.. Anova can be used too

  • @kylarae367
    @kylarae367 2 роки тому

    Bro you sound like Michael Cera

  • @Serwada237
    @Serwada237 2 місяці тому

    2024 team where you

  • @pastortreywilliams
    @pastortreywilliams 2 роки тому +3

    this was filed in 2010 when we only had two genders

  • @guestone160
    @guestone160 8 років тому +1

    gender is a bad example for factor in ANOVA as it considers more than two means(levels),

    • @KJKP
      @KJKP 7 років тому +8

      Male and female. Where there is physical or psychological confusion, those people should not be selected for the study.

    • @padaisehikalh9773
      @padaisehikalh9773 5 років тому +2

      @@KJKP yes you are right

  • @BasZz2119
    @BasZz2119 11 років тому

    Here's the asian ruin it for everyone who barely understands with the.. whatever it is. JK