• EmpowerHelp
  • Basic operation
    • Basic operation
    • Variable manipulation
    • Create new variable
  • Project
    • New
    • Open
    • Import.cfg
    • Clean folder
    • Save
  • Data
    • Update source data
    • Import coding/labeling
    • Select population
    • Variables (missing) pattern
    • Check duplicate IDs/records*
    • Match two(cases controls) groups*
    • Multiple imputation for missing
    • Re-structure
      • Transpose M variables to M records*
      • Transpose M records to M variables*
      • Statistics by ID or time window*
      • Asynchronous repeated data imputation*
    • Export & view
      • Scatter plot view*
      • Time series plots*
      • Export
  • Analysis
    • Automatic explore
      • Exam for associations*
      • Scan for associations*
      • Quick plot and test*
      • Scan for interactions*
    • Table for publication
      • Epidemiological analysis
      • Population description
      • Univariate analysis*
      • Stratified analysis*
      • Multiple regressions*
      • Interactions test*
      • Spline smoothing plot
    • Comprehensive models
      • Covariates check*
      • GAMM for repeated data*
      • Threshold analysis*
      • Marginal structure model
      • Instrument variables model
    • Diagnosis && prediction
      • Diagnostic tests/models*
      • Predictive models/ROC*
      • ROC for cluster data
      • Machine learning and prediction*
      • Method comparison*
      • Prediction & Z-score
    • Time series data analysis
      • Case-crossover*
      • Cosinor model*
    • Latent class analysis
      • Latent class analysis
      • Confirmatory factor analysis
      • Latent class mixed model
      • Latent growth curve model
  • Statistics
    • Normality test
    • Test for means
      • One sample t-test
      • Two sample t-test
      • Analysis of variance(ANOVA)
      • Equality of variances test
    • Test for frequency
      • One way frequency table
      • R*C table & Chi-square test
    • Correlations
      • Linear correlation
      • Polychoric correlation
      • Intraclass correlation
    • Regressions
      • Generalized linear model
      • Generalized additive model
      • Generalize estimate equation (GEE)
      • Generalized additive mixed model
      • Conditional logistic regression
      • Robust linear regression
      • Multinomial logistic regression
      • Discriminant analysis
      • Classification/decision tree
      • Collinerality VIF selection
      • LASSO regression
      • Quantile regression
      • Structural equation model
    • Survival analysis
      • KM Curve
      • Competing risk CIF analysis
      • Cox model
      • Competing risk model
      • Multi-state risk model*
    • Nonparametric tests
      • Two sample U test
      • Nonparametric Comparison
      • Nonparametric regression
    • Multivariate analysis
      • Multivariate normality test
      • Mahalanobis distance
      • Hotelling T-square test
      • Multivariate ANOVA
      • Two sample profile analysis
      • Multivariate regression using GEE*
      • Empirical P value by permutation*
      • Scree test (determine factors)
      • Maximum likelihood factor analysis
      • Principle components analysis
      • Multiple correspondence analysis
    • Genetic statistics
      • Hardy-Weinberg equilibrium test
      • Haplotype Frequency Estimation
      • Haplotype Score Test
      • Gene associations test*
  • Tools
    • Data Tools
      • Data scan*
      • Data extraction and clean
      • Non-structured data tools*
      • Data merge
      • Data book*
      • Data convert
    • Statistical Tools
      • Tests for continuous variables
      • Mixed model for repeated data*
      • Linear regression and correlation
      • Multivariate analysis*
      • 2x2 paired or non-paired table
      • 2x2 diagnostic test table
      • 2x2 epidemiological table
      • R*C table analysis
      • Meta analysis using mixed model*
      • Meta analysis for diagnosis tests
      • Sample size for simple sampling
      • Sample size and power calculation
      • Power simulation
      • Pool estimates from MI data
      • Simulation for standardized rate & CI
      • Life table
      • E Value calculator
    • Graphic Tools
      • Heat map
      • Lines (points) plot
      • Mean (effect) and 95%CI plot
      • Simple bar plot
      • Grouped bar plot
      • 3D bar plot
      • Forest plot
      • 95%CI shade plot
    • Empower Guide
    • Tutorials
    • Empower.Go
  • Install & Register
    • My account
    • License renew
    • Logout
    • System setting
    • Update version