Solution Manual for Analysis of Categorical Data with R 1st Edition by Bilder - Ch. 1-6, 9781439855676, with Rationales 4

Biostatistics & Research Methods
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By




Waqas Latif v



M.Sc. Biostatistics v


Data Analyst (Quality Enhancement Cell) University
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of Health Sciences, Lahore
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E-mail:
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,Inferential Statistics
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➢ Analysis of Categorical data
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1. Chi-Square Goodness-of-Fit Test
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2. Chi-Square test of Independence
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➢ Correlation Analysis
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, INTRODUCTION

Parametric & non- v v




parametric tests are used when the outcome res
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ponse is quantitative and our interest is to deter
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mine whether there are any statistical differences
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between groups (which are categorical)
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, ParametricTests vs. Non-parametricTests
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Non-
Goals Parametric Test v

parametric v




test
Compare one group to a hypothetical One-sample t test
v v v v v v v Sign test or Wilcoxon
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value or reference
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value
Compare two independent groups
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v v Mann-Whitney U v




test

Compare two paired groups
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v v Wilcoxon signed- v




ranked test v