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Statistical Analysis with R Essentials For Dummies
book

Statistical Analysis with R Essentials For Dummies

by Joseph Schmuller
April 2024
Beginner content levelBeginner
192 pages
3h 18m
English
For Dummies
Content preview from Statistical Analysis with R Essentials For Dummies

Index

Symbols

  • == (double equal-sign), 32
  • %% (mod operator), 34
  • $ sign, 52–53

A

  • a priori tests, 136–137
  • abs() function, 106, 118
  • absolute zero, 6
  • alpha, 100
  • alternative hypothesis, 8–9, 100
  • analysis of variance (ANOVA)
  • aov() function, 43, 134
  • arguments, 20
  • assignment operator, 16
  • asymptotic curve, 84
  • attach() function, 53
  • attributes, 81

B

  • bell curve
    • about, 81
    • probability density (f(x)), 82
    • x, 82

C

  • c() function, 20, 24
  • cat() function, 106, 118
  • categorical variables, 28
  • CDF (cumulative density function), 85–86
  • central limit theorem
    • about, 91–93
    • applying, 114
    • simulating, 91–93
  • central tendency
    • about, 49
    • mean, 49–51
    • mean(), 51–53
    • median, 53–55
    • median(), 54–55
    • mode, 55
    • mode(), 55
  • character vector, 21
  • coefficient of determination, 166
  • comments, 23
  • comparison coefficients, 137
  • components, 24
  • Comprehensive R Archive Network (CRAN), 11, 40
  • concatenate, 16
  • conditional probability, 7
  • conditions, 64–65
  • confidence limits
    • about, 93
    • finding for a mean, 93–96
  • constant, 5
  • continuation prompt, 23
  • contrasts, 136–140
  • correlation
    • about, 161–163
    • hypothesis testing about, 166–167
    • regression and, 163–166
  • correlation coefficient, 162
  • cor.test() function, 167–168
  • CRAN (Comprehensive R Archive Network), 11, 40
  • CSV files, 45–46
  • cubic curves, 143–144
  • cumulative density function (CDF), 85–86

D

  • data
    • missing, 19–20
    • types of, 6
  • data frames
    • about, 31–33
    • extracting data from, 32–33
    • summarizing, 77–79
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Publisher Resources

ISBN: 9781394263424Purchase Link