The Analyst Application, Second Edition

paired t-test, 218

box-and-whisker plots, 219, 222

means plots, 219, 223

partial correlation, principal components, 359

Pearson correlations, 184

pie charts

colors, 131

creating, 128

fonts, 131

frequency, 129

labels, 130

line width, 131

number of slices, 129

percent, 129

slice values, 129

three-dimensional, 128

titles, 134

two-dimensional, 128

variables, 134

point display, 94

power analysis, defined, 292

power calculations, 327

confidence intervals, 333, 348

details, 346

equivalence tests, 339, 350

hypothesis tests, 329, 333, 346

one-way ANOVA, 343, 345, 348

precision, defined, 334

power of a test, defined, 327

principal components, 23, 357, 358

component plots, 360, 364

eigenvalues, eigenvectors, 359, 363

partial correlation, 359

scree plots, 359, 364

the covariance matrix, 359

printing

code results, 78

graphs, 78

results, 78

probability plots, 184

project tree, size of, 89

projects, 12

creating, 69

deleting, 73

deleting nodes, 72

folder, 13

node, 14, 16

opening, 73

renaming, 71

saving, 70

saving under another name, 71

tree, 12

proportional hazards regression, 23, 380, 388, 390

model selection techniques, 380

Protein data set, 358