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Linear Mixed Models
iMap4 calls LinearMixedModel from Matlab for model estimations. You can find the relate concepts in Matlab help file:
Linear Mixed-Effects Models
This page explains the basic concept of Linear Mixed Model.
Estimating Parameters in Linear Mixed-Effects Models
This page explains the methods for estimating parameters in Matlab: Maximum likelihood estimation (ML) and Restricted maximum likelihood estimation (ReML).
Linear formula notation (Wilkinson Notation)
This page explains how to express your linear formula.
This wiki is adapted from the original iMap4 guidebook.
If you have any questions about the iMap4 usage, please email [email protected]
Getting started
Theory
- Linear Mixed Models
- Pixel Wise Modeling and non-parametric statistics
- Family-wise error rate (FWER) under H0
- Power analysis of iMap4
Data structures and function usage
- Core functions
- Input Matrix
- LMMmap
- StatMap, Posthoc and figure outputs
- Other useful features and function
Example 1 (GUI)
- Background of Example 1
- Using the GUI (1): Import Data and label columns
- Using the GUI (2): Parameters and Conditions
- Using the GUI (3): Create smoothed fixation matrix
- Using the GUI (4): Optional for preprocessing
- Using the GUI (5): Descriptive Statistics Report
- Using the GUI (6): Spatial Mapping Using Linear Mixed Models
- Using the GUI (7): Hypothesis testing and Display results
- Using the GUI (8): Post-hoc analysis
Example 2 (Code)
Example 3 (Code)
Example 4 (Code)
Future development
Additional information