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The ifelse() function evaluates a logical object (usually a vector-valued logical condition) and returns an object of the same dimension with TRUE values replaced by a value, or vector of values,…
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In this video we implement a one-way ANOVA in PROC GLM, using the same example (Example #8 on Pizza Diameters) as in the previous video. But here we discuss the important difference between the…
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In this video we analyze the pizza diameter data using a two-way ANOVA model implemented in PROC GLM. Here we see how to specify the model and how to use the SLICE option on the LSMEANS to test…
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PROC ANOVA can handle one-way ANOVA models and multi-way ANOVAs with balanced data. It should not be used to fit and make inference from unbalanced multi-way ANOVA models. In this video we introduce…
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This video illustrates PROC TTEST for conducting two-sample t tests. Our example is the Dominos-Eagle Boys Pizza dataset. In this example we see that it is important to conduct this test separately…
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This video illustrates PROC UNIVARIATE for conducting a one sample t test and examining the assumption of normality underlying the t test. It also features the use of the ODS SELECT statement. PROC…
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This video demonstrates the use of PROC TTEST for paired and one-sample t tests on means. We also examine the ODS Graphics produced by this PROC when implementing these tests.
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In this video we read in the pizza data with a combination of delimited input and formatted input. Follow along with Example #6 in InputExamps.sas.
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