By: Corey T. Williams 03 May 2001

Situation Objective

Mathematica SAS

Type of Experiment Randomization –Areas –Flora Blocks –Month –Area –Replication

Power Plant D Water Flow S1S1 S2S2 S3 S4S4

GLM Procedure Classification of Variables Model Scheffe’s Test on Means

options linesize=75; data PwrPlant; input month $ station rep flora cards; May May May May May May May May Jun Jun Jun Jun Jun Jun Jun Jun Jul Jul Jul Jul Jul Jul Jul Jul Aug Aug Aug Aug Aug Aug Aug Aug ; proc print; title 'Plant Growth in Nearby Bay'; proc glm; class station month rep; model flora=month station rep station*month; lsmeans station month rep; means station month rep/scheffe; proc sort; by month station rep; proc means mean; var flora; by month station; output out=PwrPlant2 mean=mflora; proc plot data=PwrPlant2; plot mflora*station=month mflora*month=station; run;

DEPENDENT VARIABLE: Flora Sum of Source DF Squares Mean Square F-Value Pr > F Model <.0001 Error Corrected Total R-Square Coeff Var Root MSE blades Mean Source DF Type III SS Mean Square F-Value Pr > F month station <.0001 rep station*month

Block by Station Scheffe Grouping** Mean N Station A B C C C Block by Month Scheffe Grouping** Mean N Month A Aug A A Jul A A Jun A A May **Means with the same letter are not significantly different.

Model Areas Months Replications