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Hello, R users, I have two factors (treat, section) anova design experiment where there are 3 replicates. The objective of the experiment is to test if there is significant difference of yield between top (section 9 to 11) and bottom (section 9 to 11) of the fruit tree under treatment. I found that there are interaction between two factors. I wonder if I can contrast means from levels of

I?m setting up a new system and installed a new UPS with nut. System Specifics: OS: Debian 3.16.36 Nut version: 2.7.2 Install method: apt-get Device: TRIPPLITE SMART1300LCDT using usbhid-ups driver Problem: The output from upsc has a few incorrect values. They appear to be a matter of scale. root at server:/etc/nut# upsc tripplite at localhost Init SSL without certificate database

Hello, R experts, If I understand Ted's anwser correctly, then I can not contrast the mean yields between sections 1-8 and 9-11 under "Trt" but I can contrast mean yields for sections 1-3 and 6-11 because there exists significant interaction between two factors (Trt:section4, Trt:section5). Could I use the commands below to test the difference between sections 1-3 and 6-11 ?