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The MI Procedure
Overview
Getting Started
Syntax
PROC MI Statement
BY Statement
CLASS Statement
EM Statement
FCS Statement
FREQ Statement
MCMC Statement
MNAR Statement
MONOTONE Statement
TRANSFORM Statement
VAR Statement
Details
Descriptive Statistics
EM Algorithm for Data with Missing Values
Statistical Assumptions for Multiple Imputation
Missing Data Patterns
Imputation Methods
Monotone Methods for Data Sets with Monotone Missing Patterns
Monotone and FCS Regression Methods
Monotone and FCS Predictive Mean Matching Methods
Monotone and FCS Discriminant Function Methods
Monotone and FCS Logistic Regression Methods
Monotone Propensity Score Method
FCS Methods for Data Sets with Arbitrary Missing Patterns
Checking Convergence in FCS Methods
MCMC Method for Arbitrary Missing Multivariate Normal Data
Producing Monotone Missingness with the MCMC Method
MCMC Method Specifications
Checking Convergence in MCMC
Input Data Sets
Output Data Sets
Combining Inferences from Multiply Imputed Data Sets
Multiple Imputation Efficiency
Number of Imputations
Imputer’s Model Versus Analyst’s Model
Parameter Simulation versus Multiple Imputation
Sensitivity Analysis for the MAR Assumption
Multiple Imputation with Pattern-Mixture Models
Specifying Sets of Observations for Imputation in Pattern-Mixture Models
Adjusting Imputed Values in Pattern-Mixture Models
Summary of Issues in Multiple Imputation
Plot Options Superseded by ODS Graphics
ODS Table Names
ODS Graphics
Examples
EM Algorithm for MLE
Monotone Propensity Score Method
Monotone Regression Method
Monotone Logistic Regression Method for CLASS Variables
Monotone Discriminant Function Method for CLASS Variables
FCS Methods for Continuous Variables
FCS Method for CLASS Variables
FCS Method with Trace Plot
MCMC Method
Producing Monotone Missingness with MCMC
Checking Convergence in MCMC
Saving and Using Parameters for MCMC
Transforming to Normality
Multistage Imputation
Creating Control-Based Pattern Imputation in Sensitivity Analysis
Adjusting Imputed Continuous Values in Sensitivity Analysis
Adjusting Imputed Classification Levels in Sensitivity Analysis
Adjusting Imputed Values with Parameters in a Data Set
References
Details: MI Procedure
Subsections:
Descriptive Statistics
EM Algorithm for Data with Missing Values
Statistical Assumptions for Multiple Imputation
Missing Data Patterns
Imputation Methods
Monotone Methods for Data Sets with Monotone Missing Patterns
Monotone and FCS Regression Methods
Monotone and FCS Predictive Mean Matching Methods
Monotone and FCS Discriminant Function Methods
Monotone and FCS Logistic Regression Methods
Monotone Propensity Score Method
FCS Methods for Data Sets with Arbitrary Missing Patterns
Checking Convergence in FCS Methods
MCMC Method for Arbitrary Missing Multivariate Normal Data
Producing Monotone Missingness with the MCMC Method
MCMC Method Specifications
Checking Convergence in MCMC
Input Data Sets
Output Data Sets
Combining Inferences from Multiply Imputed Data Sets
Multiple Imputation Efficiency
Number of Imputations
Imputer’s Model Versus Analyst’s Model
Parameter Simulation versus Multiple Imputation
Sensitivity Analysis for the MAR Assumption
Multiple Imputation with Pattern-Mixture Models
Specifying Sets of Observations for Imputation in Pattern-Mixture Models
Adjusting Imputed Values in Pattern-Mixture Models
Summary of Issues in Multiple Imputation
Plot Options Superseded by ODS Graphics
ODS Table Names
ODS Graphics
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