Tag: anova

86 Why is ANOVA taught / used as if it is a different research methodology compared to linear regression? 2010-07-23T15:17:56.770

55 How to visualize what ANOVA does? 2010-12-08T21:45:45.977

46 Best practice when analysing pre-post treatment-control designs 2010-10-10T13:04:18.347

43 Do we need a global test before post hoc tests? 2011-04-19T16:51:22.190

37 How are regression, the t-test, and the ANOVA all versions of the general linear model? 2013-05-15T00:46:04.307

36 If the t-test and the ANOVA for two groups are equivalent, why aren't their assumptions equivalent? 2010-08-13T09:41:13.160

36 ANOVA assumption normality/normal distribution of residuals 2011-01-18T19:07:59.347

36 How to interpret and report eta squared / partial eta squared in statistically significant and non-significant analyses? 2011-09-23T07:22:39.713

34 Why is ANOVA equivalent to linear regression? 2015-10-02T18:40:16.733

33 How to interpret F- and p-value in ANOVA? 2011-06-27T14:34:42.680

32 Using lmer for repeated-measures linear mixed-effect model 2013-05-11T21:44:08.007

31 How to interpret type I, type II, and type III ANOVA and MANOVA? 2012-01-01T18:28:11.283

29 What is compound symmetry in plain english? 2011-09-02T08:42:39.257

29 Alternatives to one-way ANOVA for heteroskedastic data 2014-03-30T04:21:17.930

28 Analysis with complex data, anything different? 2013-07-31T06:50:28.817

28 Can ANOVA be significant when none of the pairwise t-tests is? 2014-01-22T16:25:55.920

27 Multiple comparisons on a mixed effects model 2010-12-08T11:22:42.240

25 ANOVA on binomial data 2011-01-03T22:04:01.343

25 Differences between MANOVA and Repeated Measures ANOVA? 2011-07-18T15:20:42.077

25 What does the anova() command do with a lmer model object? 2013-10-04T14:05:22.683

24 Comparing two models using anova() function in R 2013-03-26T10:01:40.897

22 Why do lme and aov return different results for repeated measures ANOVA in R? 2011-08-10T15:16:03.890

21 Choice between Type-I, Type-II, or Type-III ANOVA 2013-05-29T16:57:54.203

21 How to get an "overall" p-value and effect size for a categorical factor in a mixed model (lme4)? 2014-04-24T15:35:24.527

20 Regression vs. ANOVA discrepancy (aov vs lm in R) 2011-12-19T19:53:20.957

20 Is Fisher's LSD as bad as they say it is? 2014-07-09T17:35:52.483

19 Good resource to understand ANOVA and ANCOVA? 2010-09-16T15:53:31.090

19 How does one do a Type-III SS ANOVA in R with contrast codes? 2010-11-15T17:01:36.680

19 Post hoc test after ANOVA with repeated measures using R 2011-08-10T12:49:53.707

19 Why do linear regression and ANOVA give different $p$-value in case of considering interaction between variable? 2012-05-22T15:44:22.403

19 Satterthwaite vs. Kenward-Roger approximations for the degrees of freedom in mixed models 2014-07-16T13:30:53.737

18 Difference Between ANOVA and Kruskal-Wallis test 2013-11-09T18:36:42.673

18 ANOVA vs multiple linear regression? Why is ANOVA so commonly used in experimental studies? 2016-01-16T15:53:03.190

18 Does it make sense for a fixed effect to be nested within a random one, or how to code repeated measures in R (aov and lmer)? 2016-08-28T01:21:07.773

17 Have I computed these likelihood ratios correctly? 2010-09-21T23:40:39.317

17 What is the NULL hypothesis for interaction in a two-way ANOVA? 2010-12-18T13:50:36.403

16 Checking ANOVA assumptions 2010-09-18T17:42:06.037

16 Repeated measures ANOVA with lme in R for two within-subject factors 2011-08-03T04:54:47.900

16 Why Levene test of equality of variances rather than F ratio? 2012-03-02T21:59:51.150

16 What is the non-parametric equivalent of a two-way ANOVA that can include interactions? 2013-12-02T23:46:56.560

16 Cheat Sheet ANOVA Alphabet Soup & Regression Equivalents 2015-08-23T20:45:07.433

15 A non-parametric repeated-measures multi-way Anova in R? 2010-08-04T20:01:07.787

15 Should I include an argument to request type-III sums of squares in ezANOVA? 2011-01-13T04:06:59.613

15 Logic behind the ANOVA F-test in simple linear regression 2011-03-13T15:15:05.713

15 Bonferroni or Tukey? When does the number of comparisons become large? 2011-04-11T12:08:13.933

15 Is there an equivalent to Kruskal Wallis one-way test for a two-way model? 2011-06-21T02:46:57.220

15 The order of variables in ANOVA matters, doesn't it? 2011-07-19T10:21:13.303

15 How can I get a significant overall ANOVA but no significant pairwise differences with Tukey's procedure? 2011-10-07T12:38:13.170

15 When is a repeated measures ANOVA preferred over a mixed-effects model? 2012-03-08T11:06:18.237

15 Why use ANOVA at all instead of jumping straight into post-hoc or planned comparisons tests? 2013-06-30T21:13:59.573

15 How is MANOVA related to LDA? 2014-01-21T22:08:32.700

15 Practically speaking, how do people handle ANOVA when the data doesn't quite meet assumptions? 2014-05-09T18:59:17.200

14 Follow up: In a mixed within-between ANOVA plot estimated SEs or actual SEs? 2010-08-24T10:05:42.533

14 Can I trust ANOVA results for a non-normally distributed DV? 2010-12-21T21:38:00.003

14 Conflicting results of Type III sum of squares in ANOVA in SAS and R 2012-02-20T21:41:57.850

14 How to estimate variance components with lmer for models with random effects and compare them with lme results 2012-06-26T10:02:58.663

13 Post hoc tests in ANCOVA 2010-09-08T05:41:48.627

13 Removing factors from a 3-way ANOVA table 2010-12-06T14:04:10.083

13 Is there any difference between the terms "paired t-test" and "pairwise t-test"? 2011-02-16T04:34:46.397

13 How to setup and interpret ANOVA contrasts with the car package in R? 2011-07-13T15:52:10.600

13 How is an ANOVA calculated for a repeated measures design: aov() vs lm() in R 2011-09-01T09:29:24.793

13 How to justify the error term in factorial ANOVA? 2011-10-20T13:38:54.933

13 Phylogenetic dependent variables: ANOVA? 2012-02-01T18:41:17.657

13 How to choose between ANOVA and ANCOVA in a designed experiment? 2012-03-04T04:34:15.900

13 How to run two-way ANOVA on data with neither normality nor equality of variance in R? 2012-05-16T13:21:32.007

13 How would you do Bayesian ANOVA and regression in R? 2013-01-05T04:07:04.313

13 Why do the ANOVA assumptions (equality of variance, normality of residuals) matter? 2017-01-13T00:32:32.673

13 Why do t-test and ANOVA give different p-values for two-group comparison? 2017-03-10T15:19:06.597

12 How to determine the sample size needed for repeated measurement ANOVA? 2010-08-18T10:56:21.970

12 Split-Plot ANOVA: model comparison tests in R 2011-02-03T23:57:29.870

12 How to obtain the results of a Tukey HSD post-hoc test in a table showing grouped pairs? 2012-07-03T02:30:30.697

12 How much smaller can $p$ values from ANOVA's $F$-test be vs. those from multiple $t$-tests on the same data? 2014-01-23T16:01:47.140

12 Common statistical tests as linear models 2017-09-15T07:53:19.707

12 Equivalence of (0 + factor|group) and (1|group) + (1|group:factor) random effect specifications in case of compound symmetry 2017-09-21T20:09:16.200

11 How can I adapt ANOVA for binary data? 2010-07-19T19:24:12.187

11 ANOVA with non-independent observations 2010-07-27T21:07:20.127

11 Interpretation of the p-values produced by Levene's or Bartlett's test for homogeneity of variances 2011-01-23T21:42:19.447

11 Sample size required to determine which of a set of advertisements has the highest click through rate 2011-03-10T14:52:20.337

11 How to specify specific contrasts for repeated measures ANOVA using car? 2011-08-29T13:09:27.030

11 How to perform a 4 by 4 mixed ANOVA with between- and within-subjects contrasts using R? 2011-09-14T04:30:54.363

11 Departure from normality assumption in ANOVA: is kurtosis or skewness more important? 2015-01-04T14:23:10.987

11 Is ANOVA relying on the method of moments and not on the maximum likelihood? 2015-12-23T18:14:58.587

11 Is it wrong to use ANOVA instead of a t-test for comparing two means? 2016-09-25T22:47:20.807

11 Why are these regression anova tables identical? 2017-12-06T22:44:26.763

10 Effect size for interaction effect in pre-post treatment-control design 2010-11-25T01:33:26.563

10 MANOVA and correlations between dependent variables: how strong is too strong? 2011-01-03T17:12:09.590

10 Using ANOVA on percentages? 2011-05-27T00:39:52.903

10 Why do we use a one-tailed test F-test in analysis of variance (ANOVA)? 2013-08-16T06:36:58.590

10 How do you "control" for a factor/variable? 2013-12-06T22:40:59.057

10 Interpreting output from anova() when using lm() as input 2014-09-12T20:55:37.660

10 How to get ANOVA table with robust standard errors? 2015-01-06T13:45:07.137

10 Repeated measures ANOVA: what is the normality assumption? 2015-05-10T19:50:23.203

10 What is the relationship between ANOVA to compare means of several groups and ANOVA to compare nested models? 2017-11-27T21:49:35.867

9 Multi-way nonparametric anova 2010-10-15T15:42:56.067

9 Testing the normality assumption for repeated measures anova? (in R) 2011-01-08T11:26:07.737

9 Paired, repeated-measures ANOVA or a mixed model? 2011-07-07T14:00:56.323

9 Should the difference between control and treatment be modelled explicitly or implicitly? 2011-09-02T09:25:59.907

9 Understanding repeated measure ANOVA assumptions for correct interpretation of SPSS output 2011-09-05T11:21:06.020

9 How to compute confidence interval in ANOVA with repeated measures? 2012-08-25T06:35:24.637