Tukey Post Hoc Test Example. Substitute the values in the HSD Formula HSD 30 - 20 sqrt 252 HSD 10 35355. The post hoc test Ill use is Tukeys method.
Games-Howell Post-hoc Test The Tukey test above assumes equal sample sizes for each group and equal variances among the groups. Plantlm - lmweight group data PlantGrowth plantav - aovplantlm summaryplantav. Well use a post hoc test and specify that the family of six comparisons should collectively produce a familywise error rate of 005.
Tukey R code TukeyHSDtwo.
Games-Howell Post-hoc Test The Tukey test above assumes equal sample sizes for each group and equal variances among the groups. The following example shows how to perform the Tukey-Kramer test in Excel. Tukey R code TukeyHSDtwo. The post hoc test Ill use is Tukeys method.
