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cdumigan
‎07-31-2018
  • 3 Posts
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Re: What adjustment to pick in a GLIMMIX variance analysis

by Calcite | Level 5 in Statistical Procedures
‎04-10-2018 10:52 AM
‎04-10-2018 10:52 AM
Thanks for the well thought out reply, I think Tukey increases my type two error rate to a large margin, and having no adjustment changes this.   I am going to inquire with others in my discipline on what they think of having no adjustment for this screen.   Thanks for the advice.   All the best, Chris ... View more

What adjustment to pick in a GLIMMIX variance analysis

by Calcite | Level 5 in Statistical Procedures
‎04-04-2018 02:34 PM
‎04-04-2018 02:34 PM
I am using Glimmix to do a variance analysis of 96 treatments, each with 3 blocks (reps). My question is whether tukey would by the correct adjustment to use as this would give 4560 pairwise combos, my lsmeans is shown below and my treatment is "strain"   lsmeans strain/pdiff adjust=tukey;    The experiment is a screen to find the highest NH4 excretion, and I am wondering if another adjustment would make more sense with this number of treatments ... View more

Error in estimate and contrast statements - need help interpreting err...

by Calcite | Level 5 in SAS Studio
‎01-25-2017 12:07 PM
‎01-25-2017 12:07 PM
Hello,   I am a student using university edition of SAS studio trying to do a contrast statement to contrast means within a factor. The factor is "variety" and I am am comparing two different groups of clover varieties. However my contrast statement always gets the same error message    145 contrast 'doublecut vs singlecut' variety 1 -5 0 1 1 1 1 1 1 1 1 -5 1; ________ 180   ERROR 180-322: Statement is not valid or it is used out of proper order.   I have attached a picture of my code. I am clueless as to why my statement is invalid or out of proper order. If anyone knows what I am doing wrong please share. ... View more
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