statistikk
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Concepts you Need to Understand to Run a Mixed or Multilevel Model

Have you ever been told you need to run a mixed (aka: multilevel) model and been thrown off by all the new vocabulary? It happened to me when I first started my statistical consulting job, oh so many years ago.

Concepts you Need to Understand to Run a Mixed or Multilevel Model

Have you ever been told you need to run a mixed (aka: multilevel) model and been thrown off by all the new vocabulary? It happened to me when I first started my statistical consulting job, oh so many years ago.

Intraclass Correlations (ICC) and Interrater Reliability in SPSS

Intraclass correlation (ICC) is one of the most commonly misused indicators of interrater reliability, but a simple step-by-step process will do it right.

Marielle Caccam   Jewel Refran

Marielle Caccam Jewel Refran

Clustered Samples and Assuming Independence of Observations

I sometimes speak to researchers who have a design where units are nested within clusters (e., 200 employees nested within 50 stores).

The Intraclass Correlation Coefficient in Mixed Models

The ICC, or Intraclass Correlation Coefficient, can be very useful in many statistical situations, but especially so in Linear Mixed Models. Linear Mixed Models are used when there is some sort of clustering in the data.

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