Search for tag: "pizza (recipe)"

T Tests in R.mp4

In this video we illustrate how to conduct paired, one-sample, and two-sample t tests in R. These tests are implemented in the t.test() function. We illustrate the tests with examples that are…

From  Daniel Hall 133 plays 0  

Summary Statistics in R

In Module 13 we cover the implementation of basic statistical methods in R. We begin with a discussion of some functions to compute summary statistics and to characterize univariate distributions. In…

From  Daniel Hall 112 plays 0  

Conditional Execution - Part 1 (The ifelse() Function).mp4

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,…

From  Daniel Hall 172 plays 0  

Reading Data Into R - Part 2 (read.csv() and read.fwf())

In this video we continue through Examples 4-6 in Mod9Script.R and learn how to read in comma-delimited and column-aligned plain text data files using the read.csv() and read.fwf() functions. You…

From  Daniel Hall 606 plays 0  

ANOVA - Part 3 (One-way Analysis in PROC GLM)

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…

From  Daniel Hall 790 plays 0  

ANOVA - Part 4 (Two-way ANOVA in PROC GLM)

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…

From  Daniel Hall 935 plays 0  

ANOVA - Part 2 (one-way analysis with PROC ANOVA)

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…

From  Daniel Hall 451 plays 0  

PROC TTEST - Part 2 (The Two-Sample Test)

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…

From  Daniel Hall 200 plays 0  

PROC UNIVARIATE - Part 2 (Example #2)

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…

From  Daniel Hall 217 plays 0  

PROC TTEST - Part 1 (Paired and One-Sample Tests)

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.

From  Daniel Hall 333 plays 0  

The SET Statement - Part 1

This video introduces the SET command within a SAS data step for copying one dataset into another or for combining datasets vertically (vertical concatenation). This video covers essential content…

From  Daniel Hall 671 plays 0  

Examples of Delimited Input-Part 2

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.

From  Daniel Hall 221 plays 0