Questions on categorical data analysis
- [:FAQ/E:What does a number containing an 'E' signify?]
[:FAQ/LogitNPlusHalf:How do I explain adding 0.5 to the cells for the odds ratio, d' or logit transform?]
- [:FAQ/heterogeneity: What is heterogeneity of variance in SPSS Probit and Logit procedures?]
- [:FAQ/Jaeger: When should I use a logit analysis as opposed to an arcsine transformed ANOVA?]
- [:FAQ/MatchedPairs: How do I do a matched pairs comparison on dichotomous data using covariates in SPSS?]
- [:FAQ/Messy: How do I handle messy data in SPSS to produce duration times from dates and frequencies from strings?]
[:FAQ/ChiSquaredSpss:How do I get SPSS to do a Chi-squared analysis of a two-way frequency table?]
- [:FAQ/onechi:How do I compare a list of observed frequencies with a list of my own expected frequencies?]
[:FAQ/ChiEqual:Using a chi-square to see if two or more proportions are equal]
[:FAQ/AdjRes:How do I know which elements contribute to a relationship in a two-way frequency table?]
- [:FAQ/ChiExact: When do I use Fisher's exact test instead of chi-square?]
- [:FAQ/chiwww: How do I obtain Fisher's exact test and chi-square for a two-way table in EXCEL or a 2x2 table on the web?]
- [:FAQ/yates: When do I use the correction for continuity when performing a chi-square analysis on a 2x2 table?]
[:FAQ/~ChiTrend:How do I do a linear trend of proportions in a Chi-squared analysis in SPSS?]
[:FAQ/ChiMono:How do I test for a strictly increasing or decreasing series on a set of individuals (not necessarily linear)?]
- [:FAQ/ChiMono2:How do I test for the presence of an unknown ordering across subjects using 2 Dimensional data?]
- [:FAQ/bar:How do I produce a bar chart with empty categories in SPSS?]
[:FAQ/BinomialConfidence:Improved Confidence Limits for a binomial proportion and differences in binomial proportions]
[:FAQ/Poisson:How do I compare observed numbers correct to those expected by chance in a multi-choice task?]
- [:FAQ/kappa: Additional kappa statistic evaluation in SPSS, benchmarks on size and a measure of inter-rater agreement based on Euclidean distances]
- [:FAQ/lrchi: How do I summarise a fit for a logistic regression model?]
- [:FAQ/infmles:Why are the standard errors so large in logistic regression?]
- [:FAQ/OddsRa: Using an Odds Ratio to summarise a 2x2 frequency table]
- [:FAQ/oddsr:How do I test an odds ratio?]
- [:FAQ/addcounts:How do I combine proportions?]
- [:FAQ/threshold:Which discriminant analysis should I use to obtain thresholds to indicate levels of abnormality using a single variable?]
- [:FAQ/roc:How do I plot and interpret a ROC curve in assessing strength in two group prediction?]
- [:FAQ/criteria:Can you recommend any two group discriminant diagnostics?]
- [:FAQ/sigdet:How do I compute signal detection diagnostics?]
- [:FAQ/texts: Can you recommend any statistical textbooks?]