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Threads 3181 to 3192 of 3192

Forum: Statistical Research

Statistical theory and methodology. Mathematical statistics. Parametric inference. Nonparametric inference.

  1. Sticky Thread Sticky: Proof of the day

    In this thread we post one (or more if you can't wait) proof a day. I'll start by proving the that V=\sigma^2(X'X)^{-1} in the linear...

    Started by Englund‎, 01-18-2014 04:56 AM
    • Replies: 14
    • Views: 18,625
    10-11-2014, 12:02 PM Go to last post
  1. [Help] What is the statistical formula applied in this problem?

    Stat/Math wizs, if you could kindly shine your beacon on this problem. I'm running some statistics using a clustering algorithm and it classified...

    Started by psynpsyn‎, 05-13-2010 02:48 AM
    • Replies: 2
    • Views: 2,152
    05-14-2010, 11:15 PM Go to last post
  2. [help]interpretation needed please

    How would you interpret the regression result is good or not?> How would you interpret coefficient and ? Would you reject the hypothesis that...

    Started by numerospy‎, 11-15-2013 10:28 AM
    2 Pages
    1 2
    • Replies: 25
    • Views: 3,655
    11-20-2013, 02:43 AM Go to last post
  3. [Multinomial Distribution] Help with applying Multinomial to a biological problem

    Hello all, I need help with a stats question I'm trying to solve for a biological question. http://en.wikipedia.org/wiki/Multinomial_distribution....

    Started by Wayne314‎, 08-12-2013 11:39 AM
    biology, cancer, multinomial, research question
    • Replies: 1
    • Views: 1,404
    08-12-2013, 11:49 AM Go to last post
  4. [R] Estimation of the emprical distribution

    Hi all, I was wondering if there's an R package online that automatically estimates the best distribution of my empirical data and gives the...

    Started by maaarten9‎, 04-27-2017 10:43 AM
    distribution, package
    • Replies: 2
    • Views: 719
    04-27-2017, 01:26 PM Go to last post
  5. [R] permanova for multivariate repeat measures toxicology data set

    Hello, I would like to use a permanova to analyze my repeated measures, multivariate data set using the package vegan (adonis function) in R. I...

    Started by e2012‎, 07-12-2013 03:55 PM
    adonis, permanova, repeat measures
    • Replies: 0
    • Views: 2,910
    07-12-2013, 03:55 PM Go to last post
  6. [SAS] Compare predicted vs actual continuous [0,1] data

    Hello, I have predicted values for year and quarter that were calculated from a linear regression, and I also have actual values. I would like to...

    Started by kdk‎, 12-08-2015 05:13 PM
    actual values, comparison, predicted values, regression
    • Replies: 1
    • Views: 2,130
    12-08-2015, 08:01 PM Go to last post
  7. Smile [SPSS - Hypothesis testing] Controlling for a variable. ANCOVA?

    Hi! I am using open data from New York City's yellow cabs and the in 2013 introduced citibikes (bikesharing service) to see if the introduction of...

    Started by dippedinice‎, 05-12-2016 03:18 PM
    hypothesis testing, spss
    • Replies: 0
    • Views: 644
    05-12-2016, 03:18 PM Go to last post
  8. [SPSS] Different sig. level with Two-way ANOVA vs. Independent T-test, Help!

    Hi, I am confused right now. I am a newbie for SPSS. The sig. level in independent t-test is different from in two-way ANOVA. Why is that? My...

    Started by mentalgoatmilk‎, 07-29-2012 05:56 PM
    • Replies: 0
    • Views: 1,360
    07-29-2012, 05:56 PM Go to last post
  9. [Statistica - Nested Anova] How to do a two-way nested anova?

    Hi, I'm trying to do a two-way nested anova in Statistica, but the results do not seen to be a two way model. In my study I need to compare if the...

    Started by Maria Costa‎, 07-14-2017 11:45 AM
    anova, anova ecology biology, anova statistica glm, neste anova, statistica
    • Replies: 0
    • Views: 222
    07-14-2017, 11:45 AM Go to last post
  10. [wilcoxon/paired t test] when to exclude data? Not normally distributed data.

    Hello! I ran an analysis of my data of research into a repeated measures design and found the difference of both conditions to be not normally...

    Started by LoudWhisper‎, 11-28-2015 05:01 AM
    • Replies: 1
    • Views: 1,326
    11-28-2015, 08:10 AM Go to last post
  11. Question [[ Which stats test(s) for assessing relative weights using ranked (ordinal) data? ]]

    Hello forum, I've been mulling this problem over for a while and getting nowhere with it (generating more questions than answers) so I thought I'd...

    Started by kaia‎, 11-25-2012 09:48 AM
    • Replies: 0
    • Views: 1,655
    11-25-2012, 09:48 AM Go to last post
  12. ¿Weighted moments references?

    Hi, I have a sample of frequencies and Sums(totals): Ni Si 23 12345 10 7800 ... Si is the sum over some variable X, measured...

    Started by uozz2‎, 04-14-2013 06:56 AM
    • Replies: 0
    • Views: 20,501
    04-14-2013, 06:56 AM Go to last post

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