Recent Posts

Dynamic Systems Modeling in Psychology

What is a dynamic system? Why are they interesting? How do we take bits of the bumbling buzzing confusion around us and pack them into …
Last updated on May 28, 2021 11 min read

Latent growth curves, state dependent error.

Latent growth curves are a nice, relatively straightforward model for estimating overall patterns of change from multiple, noisy, …
Last updated on Apr 27, 2020 6 min read

Kalman filter vs smoother -- Missing data imputation in ctsem.

ctsem is R software for statistical modelling using hierarchical state space models, of discrete or continuous time formulations, with …
Apr 27, 2020 4 min read

ctsem Quick Start -- Sunspots Damped Linear Oscillator

ctsem is R software for statistical modelling using hierarchical state space models, of discrete or continuous time formulations, with …
Last updated on Apr 27, 2020 4 min read

Binary data in state space models

Generate some data Here we specify a bivariate latent process where the 1st process affects the 2nd, and there are stable individual …
Last updated on May 28, 2021 3 min read
See all posts