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Manipulating the Factorial ANOVA
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0
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64
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October 19, 2021
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"Error in `contrasts<-`(`*tmp*`, value = contr.funs[1 + isOF[nn]]) : contrasts can be applied only to factors with 2 or more levels
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0
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55
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October 15, 2021
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Error in ezANOVA: One or more cells is missing data
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2
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139
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August 15, 2021
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Printing the chi-squared value from Mauchley's test of Sphericity
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1
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118
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July 20, 2021
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function predict but with a warning message object not found
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4
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149
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June 13, 2021
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what statistical test is needed for multiple boxplot graph
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3
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204
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June 3, 2021
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warnings in anova
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3
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238
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April 17, 2021
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RM ANOVA unsure about variables
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2
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103
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April 13, 2021
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Mixed ANOVA with replication but without repeats
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1
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167
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March 8, 2021
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Mixed/Rm Anova using anova_test, incomplete result
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1
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150
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January 25, 2021
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Problem with post hoc comparison using Robust ANOVA in R
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1
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312
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December 29, 2020
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Anova table: $ operator is invalid for atomic vectors
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3
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761
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November 27, 2020
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How to donate letters to significant differences in R?
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3
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448
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November 2, 2020
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Using sapply for running anovas on many variables
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7
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328
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October 7, 2020
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Using lmer(REML) from lme4 package to perform variance analysis
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1
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390
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August 27, 2020
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ANOVA & Orthogonal Constrasts
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5
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315
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August 4, 2020
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Unexpected results using Anova and TukeyHSD when I halve the groups
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1
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204
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July 12, 2020
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Error in eval(predvars, data, env) : object 'CO2.f' not found when doing an Anova
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2
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878
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June 9, 2020
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How to compute power in unequal sample size anova?
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1
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271
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June 4, 2020
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MANOVA with Repeated Measures
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1
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363
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May 26, 2020
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Repeated measures anova in R: comparing each month against itself across a ten year period
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4
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887
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May 6, 2020
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Testing for interactions using the Aligned Rank Transformation test (non-parametric two-way ANOVA)
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1
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662
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April 19, 2020
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Can I Run ANOVA with 2 Columns of Data?
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7
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1530
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April 7, 2020
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Normality plot and shapiro test for repeated-measures ANOVA: very nearly significant but not quite...
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2
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850
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March 31, 2020
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My normality plot and Shapiro's test say different things
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1
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353
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March 31, 2020
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Performing a shapiro-wilk test on residuals from an LMER and repeated-measures ANOVA
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1
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454
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March 31, 2020
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How to check the assumption of normality in a two-way repeated measures ANOVA?
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1
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363
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March 28, 2020
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Normally distributed data assumption not met for repeated measures ANOVA
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3
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434
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March 27, 2020
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The column `Condition` doesn't exist. Even though I can see the column is there!
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23
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8407
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March 22, 2020
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Pairwise T-test: Error in complete.cases(x, y) : not all arguments have the same length
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5
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3254
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March 8, 2020
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