WINPEPI Procedure List

This is a list of procedures and functions available in the WINPEPI suite of programs for epidemiologists.

Click on the initial letter of the function / procedure you require:

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Other

COMPARE2 A, B refers to modules A and B of the WINPEPI program COMPARE2. Items in italics (e.g. DIFFER) refer to functions that are currently provided only by the DOS version of PEPI (i.e. not by WINPEPI programs). This list is current as of 24th June 2007.

 
 

- A -

 
Adjusted rank correlation test for skewed funnel plot, COMPARE2 A, B, C, D, I
Alpha (Cronbach reliability-consistency coefficient), ETCETERA D
Analysis of covariance, for comparing changes in two groups, PAIRSetc D1, D2
Annual rate of increase or decrease, DESCRIBE B
ANOVA (analysis of variance) table, COMPARE2 E, PAIRSetc D1, H, I1, I2, L2
Attributable fraction, COMPARE2 B, C, G, PAIRSetc A
 

- B -

 
BAK (bias-adjusted kappa), PAIRSetc A, B, C
Bartholomew's test for trend, DESCRIBE B
Bartlett test for comparing two variances, COMPARE2 H2
Basic reproductive ratio, DESCRIBE M2
Before-after study (independent observations), COMPARE2 A, B, H1, H2, H3
Before-after study (paired observations), PAIRSetc A, B, C, D1, D2, D3
Before-after study (using changes in ratings), COMPARE2 F2, PAIRSetc D1, D2
Before-after study (using changes in ratings), sample size, COMPARE2 S11
Bias-adjusted kappa, PAIRSetc A, B, C
Binomial distribution, goodness of fit with, DESCRIBE C
Binomial goodness-of-fit test (any binomial probability), PAIRS
Binomial goodness-of-fit test (comparison with expected proportion) DESCRIBE A
Binomial success rate, DESCRIBE C
Birth-cohort effect (median polish procedure), SMOOTH
Bonferroni-like corrections (Finner, Haber, and Hommel corrections), ETCETERA C
Bowley skewness coefficient, DESCRIBE D
Box-and-whisker diagrams, DESCRIBE D
Bradley-Blackwood test, PAIRSetc D1, D2
 

- C -

 
Calculator, WHATIS calculator
Capture-recapture method, DESCRIBE I
Case-control study, unmatched, COMPARE2 C, G, LOGISTIC
Case-control study, matched, PAIRSetc A, C, D, E, H, J, L, LOGISTIC
Centrifugality, DESCRIBE D
Change-point test, DESCRIBE D
Changes, based on before-after ratings, COMPARE2 F2, PAIRSetc D1, D2
Chi-square goodness-of-fit test, 2 x k table, DESCRIBE C
Chi-square test, 2 x 2 table, COMPARE2 A, B, C
Chi-square test, 2 x k table, COMPARE2 F1
Chi-square tests for multiple comparisons in 2 x k table, COMPARE2 F1
Chi-square, partitioning of, in 2 x k table, COMPARE2 F1
Chi-square, partitioning of, in j x k table, CHISQ
Chi-square, value corresponding to given P, or vice versa, WHATIS P-value
Cluster-randomized trial, sample sizes,  COMPARE2 S1,S6
Cluster sample, required size, DESCRIBE K
Cluster samples, sample sizes for comparison, COMPARE2 S1,S6
Cluster samples, comparison of binary data in, COMPARE2 E, PAIRSetc A
Clustering in space or time, DESCRIBE C, H
Cochran Q test, PAIRSetc F
Cochran-Armitage chi-square test for trend, DESCRIBE B
Cochrane-Orcutt procedure, DESCRIBE B
Cohort study, unmatched, COMPARE2 B, D, F, H, LOGISITIC
Cohort study, matched, PAIRSetc A, C, D, E, H, J, L, LOGISTIC
Combinations and permutations, WHATIS calculator
Concordance coefficient, Kendall, PAIRSetc I1
Concordance correlation coefficient, PAIRSetc D1, D2, D3
Confidence intervals, WHATIS C.I.; also look up name of measure
Confidence level for values above/below a given point, WHATIS C.I.
Conover squared-rank test for difference between variances, COMPARE2 H1
Correlation coefficient between values and ranks in sequence, DESCRIBE D
Correlation coefficient, computation, PAIRSetc D1, COMPARE2 F2
Correlation coefficient, test and confidence intervals for, ETCETERA  F1 
Correlation coefficient, power and sample size for test, ETCETERA  F5
Correlation coefficient,  based on Mantel-Haenszel procedure, MANTELX
Correlation coefficients, comparison, ETCETERA  F2, F3 
Correlation coefficients, partial and multiple, ETCETERA  F4
Correlation coefficients, pooling, ETCETERA F2
Covariance, analysis of, for comparing changes in two groups, PAIRSetc D1, D2
Counts, heterogeneity of, DESCRIBE D
Cox-Stuart test for trend, DESCRIBE D
Cramer-von Mises test, COMPARE2 F2, G, H1
Cressie-Read goodness-of-fit test, DESCRIBE C

Cronbach's alpha (reliability-consistency) coefficient, ETCETERA D

Cumulative frequency distribution, confidence interval for, FIT
Cumulative odds ratio, COMPARE2 F2, G
Cumulative rate, computed from age-specific rates, DESCRIBE G
Cumulative survival proportions, DESCRIBE F, COMPARE2 H3
Cumulative survival proportions, directly standardized, COMPARE2 H3
 

- D -

 
D'Agostini-Pearson test for normality, DESCRIBE D, COMPARE2 H2
Deciles, DESCRIBE D
Departure from linear trend, DESCRIBE B
Dersimonian-Laird estimates, COMPARE2 A, B, C
Design effect, of cluster sample, DESCRIBE J, COMPARE2 E
Diagnostic odds ratio, DESCRIBE L3
Diagnostic tests, accuracy of, DESCRIBE L1, L4, L5, PAIRSetc D1, D2, D3
Diagnostic tests, appraisal of, DESCRIBE L1, L4
Diagnostic tests, combination of, DESCRIBE L2
Diagnostic tests, comparison of, DESCRIBE L2, L5
Diagnostic tests, meta-analysis, DESCRIBE L3
Difference between paired values, PAIRSetc D1, D3
Difference between proportions or risks, COMPARE2 A, B, PAIRSetc A
Direct standardization, DESCRIBE G
Discriminatory power of a scale,  ETCETERA D
Distinguishability of categories, PAIRSetc A, B, C
Donald-Donner procedure for comparing cluster samples, COMPARE2 E
Durbin-Watson test, DESCRIBE B
 

- E -

 
Edwards test for seasonal variation, DESCRIBE E
Effect sizes (standardized differences between means), combining, COMPARE2 I
Epidemic curve, plotting of, using data, DESCRIBE M1
Epidemic curve, plotting of, using models, DESCRIBE M2
Epidemic models (Reed-Frost, SIR, SEIR), DESCRIBE M2
Equivalence test for areas under ROC curve DESCRIBE L5
Equivalence test for means, COMPARE2 H2
Equivalence test for means, sample sizes for, COMPARE2 S7, PAIRSetc S7
Equivalence test for proportions, COMPARE2 A, PAIRSetc A
Equivalence test for proportions, sample sizes for, COMPARE2 S2, PAIRSetc S3
Exact tests, 2 x 2 table, power of, COMPARE2 P1, E
Exact tests, COMPARE2 A, B, C, D, F1, PAIRSetc A
Exponentially weighted moving averages, SMOOTH 
Expression solver (calculator), WHATIS calculator
 

- F -

 
F (variance ratio) test, COMPARE2 H2, PAIRSetc I
F, value corresponding to given P, or vice versa, WHATIS P-value
Factorials, WHATIS calculator
Fail-safe N, COMPARE2 A, B, C, D, E, H3, I
False negative rate, DESCRIBE L1
False positive rate, DESCRIBE L1, L2, L3, L4
Finite population correction, DESCRIBE A, D, K
Fisher exact tests, see Exact tests
Fleiss-Everitt test for three ordered categories, PAIRSetc C
Fligner-Policello robust rank test, COMPARE2 H1
Forecasting efficiency, index of, PAIRS
Freedman tests for seasonal variation, DESCRIBE E
Frequency distribution, description of, DESCRIBE D, COMPARE2 H2
Friedman's two-way analysis of variance by ranks, PAIRSetc I
Funnel plot, skewed, COMPARE2 A, B, C, D, I
 

- G -

 
Gain in certainty after diagnostic test, DESCRIBE L1
Gamma (Goodman and Kruskal), RANKCORR
Gamma, in comparison of 2 samples, COMPARE2 F2, G, H1, PAIRSetc C, D3
Gehan-Wilcoxon test for comparison of survival, COMPARE2 H3
Generalized odds ratio, COMPARE2 F2, G, PAIRSetc C
Geometric mean, DESCRIBE D1
Geometric means, ratio of, COMPARE2 H2
Gold standard, comparison with, DESCRIBE L1, PAIRSetc D1, D2, D3
Goodman and Kruskal's gamma, COMPARE2 F2, G, H1, PAIRSetc C, D3
Goodman and Kruskal's tau, 2 x k table, COMPARE2 F1
Goodman and Kruskal's tau, j x k table, CHISQ
Goodness of fit with expected distribution, DESCRIBE C
Grubbs test for outliers, DESCRIBE D

Guttman scale, conformity with,  ETCETERA D

 

 

- H -

 
Haber continuity correction, COMPARE2 A, B, C
Haldane's large-table chi-square test, 2 x k table, COMPARE2 F1
Haldane's large-table chi-square test, j x k table, CHISQ
Harmonic-analysis procedure for appraisal of seasonal variation, DESCRIBE E
Harmonic mean, DESCRIBE D1
Hazard ratio, COMPARE2 H3
Herd immunity, DESCRIBE M2
Heterogeneity of correlation coefficients, CORR
Heterogeneity of counts, DESCRIBE D
Heterogeneity of season-specific slopes, DESCRIBE D
Heterogeneity tests, COMPARE2 A, B, C, F2, G, H1, H2, I, PAIRSetc A, C, D1 to D3, E, F, I1, J
Heterogeneity, measures of, COMPARE2 A, B, C, F2, G, H1, H2, I, PAIRSetc A, C
Hewitt's test for seasonal variation, DESCRIBE E
Hollander's test for bivariate symmetry, PAIRSetc D3
Hosmer-Lemeshow goodness-of-fit test, LOGISTIC 
Huber m-estimator, DESCRIBE D
 

- I -

 
Imputation of missing values in 2 x 2 table, COMPARE2 A
Incidence rate, computed from survival data, DESCRIBE F, COMPARE2 H3
Index of qualitative variation, DESCRIBE C
Indirect standardization, DESCRIBE H
Interobserver and intraobserver reliability,  PAIRSetc D1, D2, D3, I1, I2, M
Intraclass correlation coefficients in cluster samples, DESCRIBE J
Intraclass correlation coefficients, COMPARE2 E, PAIRSetc D1, D2, I1, I2, M
Intraclass correlation coefficient, sample size, PAIRSetc S6
Inverse sampling in comparative studies, COMPARE2 A, B, C, PAIRSetc A
Inverse sampling in a descriptive study, DESCRIBE A
Inverse sampling, sample size to find a given number of cases, DESCRIBE K
 

- J -

 
j x k table, CHISQ, MANTELX
Jewell's low-bias estimate of odds ratio, COMPARE2 A, B, C, PAIRSetc A, E, J
Jewell's low-bias estimate of ratio of proportions or risks, COMPARE2 A, B
Jonckheere-Terpstra test for trend, RANKCORR
 

- K -

 
Kaplan-Meier life table procedure, DESCRIBE F, COMPARE2 H3
Kappa, PAIRSetc A, B, C, E, F, G, J, K
Kappa, in appraisal of screening or diagnostic text, DESCRIBE L1
Kappa, sample size, PAIRSetc S2
Kappa, weighted, PAIRSetc C
Kendall concordance coefficient, PAIRSetc I1
Kendall correlation coefficient (tau), MANNWHIT, RANKCORR 
Kendall tau between ranks and values of numbers, DESCRIBE D
Kendall tau in comparison of 2 samples, COMPARE2 F2, G, H1, PAIRSetc C, D3
Kernel smoothing,  DESCRIBE B
Kernel smoothing, with log transformation, SMOOTH
Knox test for space-time clustering, DESCRIBE H
Kolmogorov-Smirnov test for a normal or lognormal distribution, FIT
Kolmogorov-Smirnov test for an even distribution, DESCRIBE D
Kolmogorov-Smirnov test for discrete data, DESCRIBE C
Kolmogorov-Smirnov two-sample test, COMPARE2 F2, G, H1
Kruskal-Wallis one-way analysis of variance by ranks (>2 samples), MANNWHIT
Kullback-Leibler distances, DESCRIBE L1, L4, L5
Kurtosis, DESCRIBE D
 

- L -

 
Lambda, COMPARE2 A,B,C
Levene tests for equality of variances, COMPARE2 H
Likelihood ratios for positive and negative tests, DESCRIBE L1 to L5
Lilliefors test for normality, DESCRIBE D, COMPARE2 H2
Linear regression, DESCRIBE D, COMPARE2 F2, G
Linear regression, nonparametric, DESCRIBE D
Log transformation, DESCRIBE D, COMPARE2 H2, PAIRSetc D2, D3
Logistic regression analysis, conditional or unconditional, LOGISTIC
Logit-rank test for effect of covariate on survival, SURVIVAL
Logrank test for comparison of survival, COMPARE2 H3
Low-cost optimal allocation, in stratified sample, DESCRIBE K
 

- M -

 
Mann-Kendall test for trend, DESCRIBE D
Mann-Whitney test COMPARE2 F2, G, H1
Mann-Whitney test for paired data, PAIRSetc C
Mann-Whitney test, power, COMPARE2 P3, PAIRSetc P2
Mann-Whitney test, sample sizes, COMPARE2 S5, PAIRSetc S4
Mantel trend test, DESCRIBE B
Mantel-Haenszel test, COMPARE2 A, B, C, PAIRSetc E, J
Mantel-Haenszel test, extended, 2 x k table, COMPARE2 F2, G, H1
Mantel-Haenszel test, extended, j x k table or numerical data, MANTELX
Mantel-Haenszel test, power, COMPARE2 P2
Mantel-Haenszel test, sample sizes, COMPARE2 S3
McNemar test, PAIRSetc A, C
McNemar test, extended, PAIRSetc B
McNemar test, power, PAIRSetc P1
McNemar test, sample sizes, PAIRSetc S1
Mean deviation from mean, DESCRIBE D
Mean rank, COMPARE2 H1
Mean square successive difference test, DESCRIBE D
Mean, comparison with a hypothetical value, DESCRIBE D
Mean, confidence interval, WHATIS C.I.
Mean, robust estimators of, DESCRIBE D
Means, difference between, COMPARE2 H2, PAIRSetc H, L
Means, difference between, required sample sizes, COMPARE2 S6
Measures of impact of exposure, COMPARE2 B, C, G, PAIRSetc A
Median absolute deviation from median, DESCRIBE D
Median polish procedure for two-way tables, SMOOTH
Median rank, COMPARE2 H1
Median survival times, ratio of, COMPARE2 H3
Median, comparison with a hypothetical value, DESCRIBE D
Median, DESCRIBE D, COMPARE2 H2
Medians, difference between, COMPARE2 H1
Meta-analysis using available summary data, COMPARE2 I
Meta-analysis, COMPARE2 A, B, C, D, E, F1, F2, G, H1, H2, H3, I, PAIRSetc A, B, C, MANTELX
Meta-analysis, sensitivity analysis, COMPARE2 I
Meta-analysis, studies of screening or diagnostic tests, DESCRIBE L3
Mid-P exact tests, see Exact tests
Minimization, ETCETERA A6
Minimum significant change, PAIRSetc I2
Misclassification, effect on appraisal of rate or proportion, DESCRIBE A
Misclassification, effect on odds/risk ratio, COMPARE2 M, PAIRSetc M1, M2, M3
Missing values, imputation in 2 x 2 table, COMPARE2 A
Moors kurtosis coefficient, DESCRIBE D
Multiple comparisons, adjustment of P values, ETCETERA C
Multiple comparisons in 2 x k table, COMPARE2 F1
Multiple comparisons of categories, based on odds ratios, PAIRSetc C
Multiple comparisons of correlation coefficients, CORR
Multiple comparisons of means (Games-Howell procedure), DIFFER
Multiple comparisons of rates or proportions, DESCRIBE B, PAIRSetc F
Multiple comparisons of samples, PAIRSetc I
Multiple linear regression, sample sizes, COMPARE2 S8
Multiple logistic regression, conditional or unconditional, LOGISTIC
Multiple logistic regression, sample sizes, COMPARE2 S4
Multiple Poisson regression, POISSON
Multiple tests, adjustment of P-values for, ETCETERA C
 

- N -

 
Negative predictive value (NPV) of a test, DESCRIBE L1, L2
Neymann allocation, in stratified sample, DESCRIBE K
Nominal-scale dependent variable, COMPARE2 F, PAIRSetc B
Nonparametric regression analysis, DESCRIBE D
Nonparametric regression analysis, PAIRSetc D3
Normality, tests for, DESCRIBE D, COMPARE2 H2
Number needed to treat, avoid/produce one case, COMPARE2 B, C, D, H3, PAIRSetc A
 

- O -

 
Odds in favour of a higher value in one group, COMPARE2 H1
Odds ratio, confidence interval, WHATIS C.I.
Odds ratio, cumulative, COMPARE F2, G
Odds ratio, diagnostic, DESCRIBE L3
Odds ratio, for matched data, PAIRSetc A, B, C, E, J
Odds ratio, generalized, COMPARE2 F2, G, PAIRSetc C
Odds ratio, in 2 x 2 table, COMPARE2 A, B, C
Ordinal-scale dependent variable, COMPARE2 F, G, PAIRSetc C
Ordinal-scale variables, appraisal of association of, RANKCORR
Outliers, test for, DESCRIBE D
Overall odds ratio, COMPARE2 A, B, C, E
Overall's continuity correction, CHISQ
 

- P -

 
PABAK (prevalence-adjusted bias-adjusted kappa), PAIRSetc A, B, C
Page's test for trend, PAIRSetc F, I
Paired t test, PAIRSetc D1, D2, H, L
Paired t test, sample size, PAIRSetc S5
Partitioning of chi-square in 2 x k table, COMPARE2 F1
Percentage agreement, PAIRSetc A, B, C, DESCRIBE L1
Permutation (randomization) test, COMPARE2 H1
Permutation test for matched pairs, PAIRSetc C
Permutation test for paired replicates, PAIRSetc D3
Permutations and combinations, WHATIS calculator
Phi, 2 x 2 or 2 x k table, COMPARE2 A, B, C, F1
Pitman's test for equality of variances, PAIRSetc D1, D2
Pococks harmonic analysis procedure, DESCRIBE E
Poisson dispersion test, DESCRIBE D
Poisson distribution, goodness of fit with, DESCRIBE C
Poisson distribution, mean of, DESCRIBE C
Poisson regression analysis, POISSON
Poisson variate, confidence intervals for, DESCRIBE H, WHATIS C.I.
Poisson variates, comparison of two numbers of events, COMPARE2 D
Poisson variates, ratio of, confidence interval for, WHATIS C.I.
Positive predictive value (PPV) of a test, DESCRIBE L1, L2
Post-test probabilities, DESCRIBE L1, L2, L4, L5
Power of tests for comparison of independent samples, COMPARE2 P1 to P6
Power of tests for comparison of matched samples, PAIRSetc P1, P2, P3
Power of tests for regression and correlation coefficients, REGPOWER
Predictive value of a test, DESCRIBE L1, L2
Prevalence, confidence interval, DESCRIBE A, I
Prevalence, estimation by capture-recapture method, DESCRIBE I
Prevalence, estimation from cluster or stratified sample, DESCRIBE J
Prevalence, estimation from screening test, DESCRIBE L1
Prevalence, estimation from simple random sample, DESCRIBE A
Prevalence-adjusted bias-adjusted kappa, PAIRSetc A, B, C
Prevented or preventable fraction, COMPARE2 B, C, G, PAIRSetc A
Proportion, comparison with hypothetical value, DESCRIBE A, WHATIS C.I.
Proportion, confidence interval, DESCRIBE A, WHATIS C.I.
Proportional allocation, in stratified sample, DESCRIBE K
Proportions, difference between, COMPARE2 A,B, PAIRSetc A, WHATIS C.I.
Proportions, sequence of, DESCRIBE B
P-value for given chi-square, t, Z, or F, or vice versa, WHATIS P-value
P-value, overall (pooled), COMPARE2 I
P-values, adjustment for multiple tests, ETCETERA C
 

- Q -

 
Qstar (Q*), DESCRIBE L3
Quantiles (quartiles, quintiles, octiles, deciles), DESCRIBE D
 

- R -

 
r x c table, CHISQ,  MANTELX 
Randles-Fligner-Policello-Wolfe test for symmetry, FIT
Randles-Fligner-Policello-Wolfe test, DESCRIBE D
Random decision (tossing a coin), ETCETERA B7 
Random effects model, COMPARE2 A, B, C, I
Random numbers (tables), ETCETERA B6
Random sampling, ETCETERA B1, B2, B3, B4
Random sequence, ETCETERA A7, B5
Randomization test, COMPARE2 H1
Randomization, ETCETERA A1, A2, A3, A4, A5
Randomness, tests for, DESCRIBE D
Rank correlation between ordinal-scale variables, RANKCORR
Rank correlation between ranks and values of numbers, DESCRIBE D
Rank correlation coefficients, partial, RANKCORR
Rank correlation in comparison of two samples, PAIRSetc C ,D3
Rao-Scott procedure for comparing cluster samples, COMPARE2 E
Ratchet circular scan test for seasonal variation, DESCRIBE E
Rate difference, COMPARE2 D, WHATIS C.I.
Rate of homogeneity. in cluster sample, DESCRIBE J
Rate ratio, COMPARE2 D, WHATIS C.I.
Rate, comparison with hypothetical value, DESCRIBE A
Rate, confidence interval, DESCRIBE A, WHATIS C.I.
Rates, sequence of, DESCRIBE B
Ratio of paired values, PAIRSetc D2, D3
Ratio of proportions or risks, COMPARE2 A, B
Ratios of counts, sequence of, DESCRIBE B
Recurrence, chances of, DESCRIBE A
Reed-Frost epidemic model, DESCRIBE M2
Regression analysis, DESCRIBE D, COMPARE2 F2, G
Regression analysis, Mantel-Haenszel procedure, MANTELX
Regression analysis, nonparametric, PAIRSetc D3
Regression analysis, sequence of rates or proportions, DESCRIBE B
Regression asymmetry test for skewed funnel plot, COMPARE2 A, B, C, D, I
Regression equations, reciprocal/log-root/exponential/power/quadratic, PAIRS
Regression to the mean, estimated effect of, PAIRSets D5
Relative difference between proportions, PAIRSetc A
Relative survival curve, LIFETAB
Reliability of numerical observations, PAIRSetc D1, D2, D3, I1, I2, M
Reliability of ratings, using kappa, PAIRSetc A, B, C, E, F, G, J, K

Reliability of scale (alpha coefficient), ETCETERA D

 

Reproducibility, Guttman's coefficient of,  ETCETERA D 

Repeatability, coefficient of, PAIRSetc D1, D2, H, I1, I2, M
Replicate measurements, PAIRSetc D1, D2, D3, I1, I2, M
Residuals, adjusted (chi-square test), CHISQ
Ridit analysis, COMPARE2 F
Risk ratio, COMPARE2 A, B, PAIRSetc A, WHATIS C.I.
Risk, comparison with hypothetical value, DESCRIBE A, WHATIS C.I.
Risk, computed from age-adjusted (cumulative) rate, DESCRIBE G
Risk, confidence interval, DESCRIBE A, WHATIS C.I.
Risk marker, appraisal of, DESCRIBE L1
Robust estimators of mean, DESCRIBE D
ROC curve and area under ROC curve, DESCRIBE L4, L5 
ROC curve, in meta-analysis of screening or diagnostic tests, DESCRIBE L3
Rosner's test, PAIRSetc H, L
Running medians, DESCRIBE D
Runs test for serial correlation, DESCRIBE B
Runs tests for randomness, DESCRIBE D
 

- S -

 

Sample, random, selection of, ETCETERA B1, B2, B3, B4

Sample size for descriptive study, DESCRIBE K
Sample size for estimating proportion, rate, or mean, DESCRIBE K
Sample size for regression and correlation analysis, REGPOWER
Sample size to find a given number of cases, DESCRIBE K
Sample sizes for comparison of matched samples, PAIRSetc S1 to S7
Sample sizes for comparison of cluster samples, COMPARE2 S1,S6
Sample sizes for comparison of two independent samples, COMPARE2 S1 to S11
Scalability, coefficient of, ETCETERA D
Scale, internal consistency and discriminatory power of, ETCETERA D
Screening and diagnostic test, optimal cut-point for, DESCRIBE L4, L5
Screening tests, accuracy of, DESCRIBE L1, L4, L5, PAIRSetc D1, D2, D3
Screening tests, appraisal of, DESCRIBE L1, L4, L5
Screening tests, combination of, DESCRIBE L2
Screening tests, comparison of, DESCRIBE L2, L5
Screening tests, meta-analysis, DESCRIBE L3
Seasonal Mann-Kendall test, DESCRIBE D
Seasonal variation, appraisal of, DESCRIBE E
Seasonal variation, control of, DESCRIBE D
SIR epidemic model, DESCRIBE M2
Sen estimator of slope, DESCRIBE D
Sensitivity analysis in meta-analysis, COMPARE2 I
Sensitivity of a measure or test, DESCRIBE L1 to L5
Sensitivity, chance corrected, DESCRIBE L1, L2
Sensitivity test in meta-analysis, COMPARE2 I
Sequence of numbers, appraisal of, DESCRIBE D
Sequence of rates or proportions or ratios, appraisal of, DESCRIBE B
Serial correlation of residuals, DESCRIBE B
Shannon's index of the diversity of distribution, COMPARE2 F1
Shapiro-Francia W' test for normality, FIT
Shoemaker's test for comparing two variances, COMPARE2 H2
Sign test, PAIRS
SIR epidemic model, DESCRIBE M2
Skewed funnel plot, COMPARE2 A, B, C
Skewness, DESCRIBE D
Smoothing of curve, DESCRIBE D
Smoothing of curve, exponentially weighted moving averages, SMOOTH
Smoothing of curve, kernel smoothing, DESCRIBE B
Smoothing of curve, kernel smoothing, with log transformation, SMOOTH
Smoothing of curve, median and quartile paths, SMOOTH
SMR (standardized morbidity or mortality ratio), DESCRIBE H
Somers' D, RANKCORR
Somers' D, in comparison of 2 samples, PAIRSetc C, D3
Space-time clustering, Knox test, DESCRIBE H
Spearman correlation coefficient (rho), RANKCORR
Spearman rho between ranks and values of numbers, DESCRIBE D
Spearman rho in comparison of 2 samples, PAIRSetc C, D3
Specificity of a measure or test, DESCRIBE L1 to L5
St Laurent's gold-standard correlation coefficient, PAIRSetc D1, D2
Standard deviation, confidence interval for, WHATIS C.I.
Standard error of measurement, PAIRSetc D1, D2, I2
Standard populations, world, European and African, DESCRIBE G
Standardization, direct, DESCRIBE G
Standardization, indirect, DESCRIBE H
Standardized morbidity or mortality ratio, DESCRIBE H
Standardized odds ratios, COMPARE2 C
Stratified sample, for estimation of prevalence, DESCRIBE J
Stratified sample, required size, DESCRIBE K
Strickland-Lu test for difference between changes, COMPARE2 F2
Strickland-Lu test, sample sizes for, COMPARE2 S11
Stuart-Maxwell test for marginal heterogeneity, PAIRSetc B, C
Summary ROC curve, DESCRIBE L3
Survival curve, DESCRIBE F
Survival curve, relative to expectation, LIFETAB
Survival periods, calculation of, WHATIS timespan
Survival time, DESCRIBE F
Survival time, effects of covariates on, SURVIVAL
Survival time, mean and median, DESCRIBE F, COMPARE2 H3
Survival times, comparison of, COMPARE2 H3
Survival times, comparison of, sample sizes for, COMPARE2 S10
Symmetry test, PAIRSetc B
Synergism, appraisal of, ETCETERA E
Synergism, appraisal of (median polish procedure), SMOOTH
 

- T -

 
t, value corresponding to given P, or vice versa, WHATIS P-value
Theil's uncertainty coefficient U, COMPARE2 F1
Time intervals, WHATIS timespan
Time-to-event data, DESCRIBE F, COMPARE2 H3
Trend of rate ratios, COMPARE2 D
Trend of rates or proportions, DESCRIBE B
Trend of three or more samples, Cuzick test, MANNWHIT
Trend of three or more samples, Pee-Freedman test, MANNWHIT
Trend, DESCRIBE D
Trend, Jonckheere-Terpstra test, RANKCORR
Trial, unmatched controls, COMPARE2 B, D, F, H, LOGISTIC
Trial, matched controls, PAIRSetc A, C, D, E, H, J, L, LOGISTIC
Trimmed mean, DESCRIBE D
Trimmed means, comparison of, COMPARE2 H2
t-test, COMPARE2 H2
t-test, power, COMPARE2 P4
 

- U -

 
Up-and-down runs test for randomness, DESCRIBE D
Upton continuity correction, COMPARE2 A, B, C
 

- V -

 
Validity study, using "gold standard", DESCRIBE L1, PAIRSetc D1, D2, D3
Van Elteren procedure, COMPARE2 F2, G, H1
Variance inflation factor, in cluster sample, DESCRIBE J, COMPARE2 E
Variance ratio, confidence interval for, COMPARE2 H2
Variance, confidence interval for, WHATIS C.I.
Variances, comparison of, COMPARE2 H2, PAIRSetc I1
 

- W -

 
Walter test for numerical data, PAIRSetc H,L
Walter test for binary data, PAIRSetc E, J
Wilcoxon rank-sum test, COMPARE2 F2, G, H1
Wilcoxon signed-rank test of symmetry, DESCRIBE D
Wilcoxon signed-rank test, PAIRSetc C, D3
 

- X -

 
No entries for 'X'
 

- Y -

 
Yates continuity correction, COMPARE2 A, B, C
Youden's index, DESCRIBE L1, L2, L4, L5
Yuen's test for comparing trimmed means, COMPARE2 H2
Yule's Q, COMPARE2 A, B, C
 

- Z -

 
Z, value corresponding to given P, or vice versa, WHATIS P-value
 

- Other -

 
2 x 2 table, COMPARE2 A, B
2 x 2 table, case-control study, COMPARE2 C
2 x 2 table, for paired data, PAIRSetc A
2 x k table, COMPARE2 F1
2 x k table, ordered categories, COMPARE2 F2, G
95% limits of agreement, PAIRSetc D1, D2, D3, L2