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Missing Data Approaches in eHealth Research: Simulation Study and a Tutorial for Nonmathematically Inclined Researchers

Missing Data Approaches in eHealth Research: Simulation Study and a Tutorial for Nonmathematically Inclined Researchers

The final four approaches are multiple imputation techniques replacing a single missing observation with multiple simulated values: NORM, MICE, SPSS MI, and Amelia II.

Matthijs Blankers, Maarten W J Koeter, Gerard M Schippers

J Med Internet Res 2010;12(5):e54


Correction for: Opening the Black Box of Electronic Health: Collecting, Analyzing, and Interpreting Log Data

Correction for: Opening the Black Box of Electronic Health: Collecting, Analyzing, and Interpreting Log Data

The full reference should read:42. van Mierlo T, Li X, Hyatt D, Ching AT. Demographic and indication-specific characteristics have limited association with social network engagement: evidence from 24,954 members of four health care support groups.

Floor Sieverink, Saskia Kelders, Mannes Poel, Lisette van Gemert-Pijnen

JMIR Res Protoc 2018;7(1):e10


Big Data and Clinicians: A Review on the State of the Science

Big Data and Clinicians: A Review on the State of the Science

Bermejo-Sanchez et al [44] observed 326 of the birth defect Amelia among 23 million live births, stillbirths, and fetal anomalies from 23 countries and 4 continents, and found the trend of higher prevalence of Amelia among younger mothers.

Weiqi Wang, Eswar Krishnan

JMIR Med Inform 2014;2(1):e1


Economic Evaluation of Internet-Based Interventions for Harmful Alcohol Use Alongside a Pragmatic Randomized Controlled Trial

Economic Evaluation of Internet-Based Interventions for Harmful Alcohol Use Alongside a Pragmatic Randomized Controlled Trial

The multiple imputation software package Amelia II [30] for R [31] has been found to yield the most accurate results in the type of data used in this study [32].

Matthijs Blankers, Udo Nabitz, Filip Smit, Maarten WJ Koeter, Gerard M Schippers

J Med Internet Res 2012;14(5):e134


Effectiveness of Different Web-Based Interventions to Prepare Co-Smokers of Cigarettes and Cannabis for Double Cessation: A Three-Arm Randomized Controlled Trial

Effectiveness of Different Web-Based Interventions to Prepare Co-Smokers of Cigarettes and Cannabis for Double Cessation: A Three-Arm Randomized Controlled Trial

Using the Amelia II multiple imputation package of the R software environment for statistical computing, Version 2.15.3 [40], we imputed 20 datasets.

Julia Becker, Severin Haug, Robin Sullivan, Michael Patrick Schaub

J Med Internet Res 2014;16(12):e273