Howdy, Stranger!

It looks like you're new here. If you want to get involved, click one of these buttons!

Supported by

Spearman's correlation

I notice that JASP doesn't haven an option to do Spearman's correlations. Has this functionality simply not been implemented yet? Or is there some sense in which Spearman's correlations are inappropriate in a Bayesian context?

Comments

  • EJEJ
    edited 9:32AM

    Dear researcher,

    JASP does compute Spearman but not yet in a Bayesian framework. We have completed a Bayesian version of Kendall's tau (paper accepted pending minor revision) and hope to add this to JASP soon. Spearman might follow suit. Nonparametric analyses are a little more tricky within the Bayesian framework, but we do believe they are important and so we aim to develop them and include them in JASP.

    Cheers,
    E.J.

  • edited 9:32AM

    Thanks for the quick response. I look forward to using the Bayesian Kendaull's tau once it has been implemented.

  • HRHHRH
    edited 9:32AM

    Hi - I was just wondering if there was a timeframe for adding the Bayesian Kendall's tau? as I would be really interested in using it for my analysis.

    Thank you

  • EJEJ
    edited 9:32AM

    It will not be in the next release (scheduled for a week or so after today) but it will probably be in the one after that. I would say it is a few months away.
    Cheers,
    E.J.

  • HRHHRH
    edited 9:32AM

    EJ - does this mean that your paper is also imminent? I'm looking forward to reading it!

  • The paper has a "minor revision from The American Statistician. We've almost completed the revision and I'm pretty confident. But you never know.

  • Meanwhile, you added Kendall's tau as an option for Baysian non-parametric correlation analysis. I'm not sure whether there are implemented statistics that adjust the tau coefficient for ties. Anyways, I'm interested in Bayesian Spearman correlation analysis. I assume that transforming my data into ranked data with ties and conducting a Bayesian Pearson correlation would not be equivalent to a Bayesian Spearman correlation!? Otherwise it would have been relatively simple to implement it into JASP. But please correct me if I'm wrong. Another minor remark: It would be nice to have an option to output the exact p values in a future Version of JASP.

    Thank you very much!

  • Hi Philippe,

    About the exact p-values: check out next week's blog post (https://jasp-stats.org/blog/)
    About Bayesian Spearman: no, unfortunately it is not that simple! For instance, if you have N=3 and the ranks perfectly correspond, conducting a test on the rank numbers gives a BF of infinity :-)

    Cheers,
    E.J.

  • That said, we actually have developed a Bayesian version of Spearman. Paper and implementation in JASP will hopefully follow soon.
    Cheers,
    E.J.

  • Hi E.J,

    I'm happy to read you developed a Bayesian version of the Spearman rank correlation! I wondered whether this option is already available in JASP3 (on mac OS)?

    Kind regards,

    Joanne

  • Not yet, but Johnny is working on it

    We do have a Bayesian version of Kendall's tau in there (which I personally find more elegant than Spearman)

    E.J.

  • Hi,

    I was wondering what the progress on the Bayesian version of the Spearman rank correlation is?

    Thanks!

  • Me too! I'll ping Johnny.

    E.J.

  • Yes! I was waiting till all the internal JAPS rewrites were done, which almost seems to be the case. Implementing the Bayesian Spearman's rho and one-sample Wilcoxon tests is at the top of my JASP todo list =)

  • Hello !

    Any news on the bayesian module for spearman correlations?

    Thanks a lot!

  • Just following up on this and wondering when/if there were any updates/timelines? Thank you for all the work you do! :)

  • Sorry, there were all sorts of things that popped up instead.. it's still on our radar, just not with such high priority (since we do already have Bayesian inference for a rank-based correlation coefficient in Kendall's tau).

    Kind regards

    Johnny

  • Fair enough Johnny, thanks for the prompt response, appreciate it.

  • edited February 4

    From a frequentist perspective, there's never any need to have an algorithm that specifically tests a Spearman in contrast to a Pearson's correlation coefficient. To compute and test Spearman's one need only rank-transform each of the two variables and then conduct an analysis of Pearson's R on the transformed data. Shouldn't the same hold true for a Bayesian analysis? -- just rank-transform each variable, then conduct a JASP Bayesian analysis of the Pearson Correlation between the two rank-transformed variables?

    R

  • Hi All,

    @andersony3k according to the paper,

    van Doorn, J., Ly, A., Marsman, M., & Wagenmakers, E.-J. (2020). Bayesian rank-based hypothesis testing for the rank sum test, the signed rank test, and Spearman’s ρ. Journal of Applied Statistics, 47(16), 2984–3006. https://doi.org/10.1080/02664763.2019.1709053

    the difficulty seems to relate not having a clear likelihood function available. But some of the maths looks a bit scary for my taste, so let's hope Johnny will explain it to us!


    I do however another unrelated question.

    I was just wondering what we make of the advantages (according to the authors) of the methods outlined in this, paper over previous Bayesian methods of computing correlations? You have developed Spearman/ Kendall coefficients and they have added alternative formulations and a polychoric correlation

    Rodriguez, J. E., & Williams, D. R. (2022). Bayesian Bootstrapped Correlation Coefficients. The Quantitative Methods for Psychology, 18(1), 39–54. https://doi.org/10.20982/tqmp.18.1.p039

  • edited February 4

    I think the spirit of the frequentist significance test is to embrace assumption-violation. The frequentist test of Pearson's r assumes bivariate normality, while the frequentist test of Spearman's rho deliberately violates the normality assumption (by applying the Pearson test to wildly non-normal--i.e., rank--data). One could take the same approach within a Bayesian framework: Do the Bayesian test of the Pearson correlation coefficient when that coefficient has be computed on ranks, despite knowing that the result won't be strictly correct!

    Probably a better approach would be as follows.

    Knowing that the frequentist test of Spearman's rho has never been strictly correct (and knowing that it does not do a good job at handling ties), use JASP's Bayesian Kendall's Tau-b instead. (Tau-b does appropriately account for ties.)

    R

Sign In or Register to comment.

agen judi bola , sportbook, casino, togel, number game, singapore, tangkas, basket, slot, poker, dominoqq, agen bola. Semua permainan bisa dimainkan hanya dengan 1 ID. minimal deposit 50.000 ,- bonus cashback hingga 10% , diskon togel hingga 66% bisa bermain di android dan IOS kapanpun dan dimana pun. poker , bandarq , aduq, domino qq , dominobet. Semua permainan bisa dimainkan hanya dengan 1 ID. minimal deposit 10.000 ,- bonus turnover 0.5% dan bonus referral 20%. Bonus - bonus yang dihadirkan bisa terbilang cukup tinggi dan memuaskan, anda hanya perlu memasang pada situs yang memberikan bursa pasaran terbaik yaitu http://45.77.173.118/ Bola168. Situs penyedia segala jenis permainan poker online kini semakin banyak ditemukan di Internet, salah satunya TahunQQ merupakan situs Agen Judi Domino66 Dan BandarQ Terpercaya yang mampu memberikan banyak provit bagi bettornya. Permainan Yang Di Sediakan Dewi365 Juga sangat banyak Dan menarik dan Peluang untuk memenangkan Taruhan Judi online ini juga sangat mudah . Mainkan Segera Taruhan Sportbook anda bersama Agen Judi Bola Bersama Dewi365 Kemenangan Anda Berapa pun akan Terbayarkan. Tersedia 9 macam permainan seru yang bisa kamu mainkan hanya di dalam 1 ID saja. Permainan seru yang tersedia seperti Poker, Domino QQ Dan juga BandarQ Online. Semuanya tersedia lengkap hanya di ABGQQ. Situs ABGQQ sangat mudah dimenangkan, kamu juga akan mendapatkan mega bonus dan setiap pemain berhak mendapatkan cashback mingguan. ABGQQ juga telah diakui sebagai Bandar Domino Online yang menjamin sistem FAIR PLAY disetiap permainan yang bisa dimainkan dengan deposit minimal hanya Rp.25.000. DEWI365 adalah Bandar Judi Bola Terpercaya & resmi dan terpercaya di indonesia. Situs judi bola ini menyediakan fasilitas bagi anda untuk dapat bermain memainkan permainan judi bola. Didalam situs ini memiliki berbagai permainan taruhan bola terlengkap seperti Sbobet, yang membuat DEWI365 menjadi situs judi bola terbaik dan terpercaya di Indonesia. Tentunya sebagai situs yang bertugas sebagai Bandar Poker Online pastinya akan berusaha untuk menjaga semua informasi dan keamanan yang terdapat di POKERQQ13. Kotakqq adalah situs Judi Poker Online Terpercayayang menyediakan 9 jenis permainan sakong online, dominoqq, domino99, bandarq, bandar ceme, aduq, poker online, bandar poker, balak66, perang baccarat, dan capsa susun. Dengan minimal deposit withdraw 15.000 Anda sudah bisa memainkan semua permaina pkv games di situs kami. Jackpot besar,Win rate tinggi, Fair play, PKV Games