clinical trials, 9–10, 61–74

cloudbased storage,

60

CLT (centrallimit theorem),

134

cluster sampling, 84

Cochrane Collaboration, 297

code, 241

codebased methods,

60

coding categories, 105–107

coefficient of determination, 227

coefficient of variation (CV), 120

Cohen’s Kappa, 189

cohort study, 90, 93–96

collecting data

introduction to, 1–2, 9–10

manually and digitally, 74, 101–110

collinearity, 246–247, 266

commercial software, 54–58

common logarithms, 22

comparing averages, 142

complete separation, 267–268

complicated formulas, 24

Comprehensive R Archive Network (CRAN), 58

computer science, 18

computerized tomography (CAT) scans, 188

concordance, 342

confidence interval (CI)

calculating, 226

definition of, 10, 39, 130–131

using, 131–138, 183, 194–197

confidence level (CL), 39

confidence limits (CL), 130, 134

confidentiality, 71