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#CodeteCON @VladimirD_42 What Users Want A/B testing explained Vladimir Dejanović 11 October 2018
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@VladimirD_42 Vladimir Dejanović Let’s Meet @VladimirD_42 vladimir@itshark.xyz http://itshark.xyz #CodeteCON
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@VladimirD_42 Vladimir Dejanović Let’s Meet http://itshark.xyz #CodeteCON
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@VladimirD_42 Vladimir Dejanović Let’s Meet #CodeteCON
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@VladimirD_42 Vladimir Dejanović Let’s Meet and Others... #CodeteCON
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@VladimirD_42 #CodeteCON Agenda
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@VladimirD_42 #CodeteCON Agenda Success vs Fail
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@VladimirD_42 #CodeteCON Agenda A/B Testing Success vs Fail
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@VladimirD_42 #CodeteCON Agenda A/B Testing Failing at A/B and limitations Success vs Fail
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@VladimirD_42 #CodeteCON Agenda A/B Testing Questions Failing at A/B and limitations Success vs Fail
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@VladimirD_42 #CodeteCON Success vs Fail
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@VladimirD_42 #CodeteCON
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@VladimirD_42 #CodeteCON
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@VladimirD_42 #CodeteCON
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@VladimirD_42 #CodeteCON ref: https://media.licdn.com/mpr/mpr/AAEAAQAAAAAAAAiMAAAAJDljNzE4YjZmLWJhNTAtNGM0My04Mzc1LTYxMDNlYWIzNDBhMw.jpg
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@VladimirD_42 #CodeteCON ref: http://www.neuresourcegroup.com.au/brainwaves-for-leaders-blog//2012/08/09/hate-long-meetings-try-the-10-minute-standing-meeting/
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@VladimirD_42 #CodeteCON ref: http://www.theinquirer.net/inquirer/news/2194702/nuance-announces-dragon-naturally-speaking-12-with-android-and-ios-support
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@VladimirD_42 #CodeteCON ref: https://d1o50x50snmhul.cloudfront.net/wp-content/uploads/2016/07/05160722/f14aba_cropped-800x533.jpg
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@VladimirD_42 #CodeteCON ref: https://d1o50x50snmhul.cloudfront.net/wp-content/uploads/2016/07/05160722/f14aba_cropped-800x533.jpg Highest Paid Person Opinion
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@VladimirD_42 #CodeteCON ref: http://gogmat.com/blog
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@VladimirD_42 #CodeteCON ref: https://macpeanut.wordpress.com/2015/08/12/crystal-balls/
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@VladimirD_42 #CodeteCON ref: http://marketingland.com/view-mobile-retail-holidays-past-present-112419
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@VladimirD_42 #CodeteCON ref: http://www.desktopanimewallpaper.com/wallpaper/Super-Saiyan/
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@VladimirD_42 #CodeteCON A/B Testing
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@VladimirD_42 #CodeteCON ref: http://www.truthmove.org/news-category/surveillance/
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@VladimirD_42 #CodeteCON ref: http://www.rootsrundeep.com/hypothesis.html
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@VladimirD_42 #CodeteCON ref: http://zehno.com/news-resources/the-more-you-know-ab-testing
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@VladimirD_42 #CodeteCON ref: http://www.astekweb.com/the-web/what-is-ab-testing/
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@VladimirD_42 #CodeteCON ref: http://www.pitstopmedia.com/sem/minimize-the-impact-of-website-testing-on-seo
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@VladimirD_42 #CodeteCON ref: https://petovera.com/you-are-probably-getting-stupid-results-from-ab-testing-heres-why/
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@VladimirD_42 #CodeteCON ref: http://www.footballhub.tk/champions-league-draw-round-16/
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@VladimirD_42 #CodeteCON ref: https://www.graydon.co.uk/blog/data-driven-marketing-for-data-driven-marketers
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@VladimirD_42 #CodeteCON ref: http://www.fanpop.com/clubs/mr-spock/images/10874060/title/mr-spock-photo
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@VladimirD_42 #CodeteCON
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@VladimirD_42 #CodeteCON
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@VladimirD_42 #CodeteCON
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@VladimirD_42 #CodeteCON ref: https://s-media-cache-ak0.pinimg.com/originals/d3/14/d2/d314d211d6fe7f8967819858e4fa5333.jpg
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@VladimirD_42 #CodeteCON Original
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@VladimirD_42 #CodeteCON Base Original
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@VladimirD_42 #CodeteCON Base Control Original
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@VladimirD_42 #CodeteCON Base Control Variant Original
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@VladimirD_42 #CodeteCON Base Control Variant Variant Original
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@VladimirD_42 #CodeteCON Base Control Variant Variant Experiment Original
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@VladimirD_42 #CodeteCON Process
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@VladimirD_42 #CodeteCON Process
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@VladimirD_42 #CodeteCON Process
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@VladimirD_42 #CodeteCON Visitors Process
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@VladimirD_42 #CodeteCON Visitors Process
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@VladimirD_42 #CodeteCON Visitors Conversion Process
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@VladimirD_42 #CodeteCON
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@VladimirD_42 #CodeteCON
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@VladimirD_42 #CodeteCON
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@VladimirD_42 #CodeteCON
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@VladimirD_42 #CodeteCON A
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@VladimirD_42 #CodeteCON A B
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@VladimirD_42 #CodeteCON A B
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@VladimirD_42 #CodeteCON A B
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@VladimirD_42 #CodeteCON ref: https://vignette2.wikia.nocookie.net/breakingbad/images/9/9d/1x02_-_Coin_flip.jpg
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@VladimirD_42 #CodeteCON A B
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@VladimirD_42 #CodeteCON B1 B1 A A A1 A1 B B
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@VladimirD_42 #CodeteCON ref: https://i.stack.imgur.com/sHtyh.png
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@VladimirD_42 #CodeteCON ref: http://brightcove.vo.llnwd.net/d21/unsecured/media/1033249144001/1033249144001_2257652098001_video-still-for-video-2255602883001.jpg
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@VladimirD_42 #CodeteCON ref: https://www.geek-vintage.com/wp-content/uploads/invention-gaston.jpg
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@VladimirD_42 #CodeteCON ref: http://www.ru.nl/publish/pages/733019/mathematics-blackboard-article.jpg
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@VladimirD_42 #CodeteCON Yes No A B Total
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@VladimirD_42 #CodeteCON Yes No A A_Total B Total
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@VladimirD_42 #CodeteCON Yes No A A_Total B B_Total Total
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@VladimirD_42 #CodeteCON Yes No A A_Total B B_Total Total Total_Num
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@VladimirD_42 #CodeteCON Yes No A A_Yes A_Total B B_Total Total Total_Num
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@VladimirD_42 #CodeteCON Yes No A A_Yes A_No A_Total B B_Total Total Total_Num
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@VladimirD_42 #CodeteCON Yes No A A_Yes A_No A_Total B B_Yes B_Total Total Total_Num
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@VladimirD_42 #CodeteCON Yes No A A_Yes A_No A_Total B B_Yes B_No B_Total Total Total_Num
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@VladimirD_42 #CodeteCON Yes No A A_Yes A_No A_Total B B_Yes B_No B_Total Total Total_Yes Total_Num
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@VladimirD_42 #CodeteCON Yes No A A_Yes A_No A_Total B B_Yes B_No B_Total Total Total_Yes Total_No Total_Num
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@VladimirD_42 #CodeteCON ref: http://anthonyrealestate.net/anthony3/wp-content/uploads/2011/12/crunching-numbers.jpg
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@VladimirD_42 #CodeteCON Expectations Ex_A_Yes Ex_A_No Ex_B_Yes Ex_B_No
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@VladimirD_42 #CodeteCON Expectations Ex_A_Yes A_Total * Total_Yes / Total_Num Ex_A_No Ex_B_Yes Ex_B_No
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@VladimirD_42 #CodeteCON Expectations Ex_A_Yes A_Total * Total_Yes / Total_Num Ex_A_No A_Total * Total_No / Total_Num Ex_B_Yes Ex_B_No
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@VladimirD_42 #CodeteCON Expectations Ex_A_Yes A_Total * Total_Yes / Total_Num Ex_A_No A_Total * Total_No / Total_Num Ex_B_Yes B_Total * Total_Yes / Total_Num Ex_B_No B_Total * Total_No / Total_Num
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@VladimirD_42 #CodeteCON G-Test
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@VladimirD_42 #CodeteCON G-Test 2 * Measured * log ( Measured /Expected )
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@VladimirD_42 #CodeteCON G-Test 2 * ( A_Yes * log(A_Yes / Ex_A_Yes) + A_No * log(A_No / Ex_A_No) + B_Yes * log(B_Yes / Ex_B_Yes) + B_No * log(B_No / Ex_B_No) )
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@VladimirD_42 #CodeteCON Chi-squared Probability Test
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@VladimirD_42 #CodeteCON Chi-squared Probability Test P = Chi_Square_Probability(1, G_Test)
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@VladimirD_42 #CodeteCON Chi-squared Probability Test P = Chi_Square_Probability(1, G_Test) 0 ≤ P≤ 1
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@VladimirD_42 #CodeteCON Significant Difference
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@VladimirD_42 #CodeteCON Significant Difference Sig_Diff = 1- P
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@VladimirD_42 #CodeteCON Significant Difference Sig_Diff = 1- P Sig_Diff = 0.95 => 95% chance
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@VladimirD_42 #CodeteCON Failing at A/B and Limitations
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@VladimirD_42 #CodeteCON Failing at A/B Testing
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@VladimirD_42 #CodeteCON Failing at A/B Testing Visitor != Saw Experiment
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@VladimirD_42 #CodeteCON Failing at A/B Testing Visitor != Saw Experiment Distribution for multiple experiments
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@VladimirD_42 #CodeteCON B1 B1 A A A1 A1 B B
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@VladimirD_42 #CodeteCON Failing at A/B Testing Errors interfering with Experiment
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@VladimirD_42 #CodeteCON Failing at A/B Testing
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@VladimirD_42 #CodeteCON Failing at A/B Testing Not looking at whole process
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@VladimirD_42 #CodeteCON
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@VladimirD_42 #CodeteCON A/B Experiment
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@VladimirD_42 #CodeteCON A/B Experiment Issues
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@VladimirD_42 #CodeteCON Failing at A/B Testing Stopping experiment to fast
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@VladimirD_42 #CodeteCON Mon Thu Wed Tue Fri Sun Sat
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@VladimirD_42 #CodeteCON Mon Thu Wed Tue Fri Sun Sat
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@VladimirD_42 #CodeteCON Mon Thu Wed Tue Fri Sun Sat
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@VladimirD_42 #CodeteCON Failing at A/B Testing Understanding seasonality
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@VladimirD_42 #CodeteCON ref: http://aws-cf.caradisiac.com/prod/uploads/200401/ziriako_1073088347_gasapo1f.gif
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@VladimirD_42 #CodeteCON Failing at A/B Testing Using Experiment 1 data to prove “Experiment 2”
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@VladimirD_42 #CodeteCON Limitations
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@VladimirD_42 #CodeteCON
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@VladimirD_42 #CodeteCON ref: http://www.tashakheiriddin.com/wp-content/uploads/2016/12/chicken-or-egg2.jpg
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@VladimirD_42 #CodeteCON ref: https://media3.s-nbcnews.com/j/newscms/2018_23/2455046/180605-big-bang-illustration-al-1141_c426a54e8d4f6d67f0b33d1abb671d40.fit-2000w.jpg
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@VladimirD_42 #CodeteCON Thank You
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@VladimirD_42 Questions @VladimirD_42 vladimir@itshark.xyz http://itshark.xyz #CodeteCON