1. INTRODUCTION

2. BASIC SETUP

3. PARAMETRIC FRACTIONAL IMPUTATION

4. NON PARAMETRIC FRACTIONAL IMPUTATION
4.1 Fractional Hot Deck Imputation
4.2 Non parametric Fractional Imputation Using Kernels

5. SYNTHETIC DATA IMPUTATION
5.1 Fractional Imputation for Two-phase Sampling
5.2 Fractional Imputation for Statistical Matching

6. FRACTIONAL IMPUTATION VARIANTS
6.1 The Choice of M and Calibration Fractional Imputation
6.2 The Choice of the Proposal Distribution
6.3 Doubly Robust Fractional Imputation

7. COMPARISON WITH MULTIPLE IMPUTATION
7.1 Statistical Efficiency
7.2 Imputation under Informative Sampling

8. SIMULATION STUDY

9. CONCLUDING REMARKS