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Please note that the program may not be able to read special characters such as ė, ö, ý, ş, etc. not used in English. Users should take care to avoid the use of these in either path or file names when using HLM.

Documentation

• HLM 8 User Guide

• HLM Quickstart Guide

• HLM 8.1 Handling of missing data in all modules

• HLM 8.1 Description of currently implemented weighting scheme

• HLM References

• HLM Examples

FAQS

• Anything Else option for data import

• Batch creation of multiple MDMs

• Specifying an AR model at level-1 for unequally spaced measurements

• Running multiple analyses using a batch file

• Calculating cross-level interactions

• Calculating posterior variances

• Comparing model fit

• Confidence intervals for fixed effects

• Constraints and hypothesis testing

• Deviance statistic in HGLM

• Degrees of freedom: HCM2

• Degrees of freedom: HCM3

• Degrees of freedom: HLM2

• Degrees of freedom: HLM3

• Degrees of freedom: HLM4

• Degrees of freedom: HLMHCM

• Effect size and standardized coefficients

• HGLM models: extreme values of p

• HGLM models: level-1 variance

• HLM2: REML and FML

• Evaluating random slopes for an HMLM model

• Creating indicator variables for HMLM modules

• Hypothesis testing for variance-covariance components

• Level-1 variance in the case of HGLM models

• Level-1 variance: homogeneous or heterogeneous

• Log likelihood and negative deviances

• Multicollinearity

• Multiple imputation analyses

• Ordinal model: subtraction vs addition

• Over dispersion

• Proper vs improper imputation

• Proportion variance explained in 2-level model

• Proportion variance explained in a 3-level model

• P-values

• Reliability of random coefficients

• Robust standard errors

• Standardized coefficients

• Testing significance of sigma-squared

• Use of additional output file tauvc.dat

• Use of additional output file gamvc.dat

• Transposing data for use in HMLM/HMLM2

• Use of proportion variance explained statistics

• Weighting in HCM3

Error Messages

• Actual number of occasions exceeds…

• Data not sorted

• Effect has been fixed…

• Fisher scoring algorithm is unable…

• Group X has inadequate data

• Group X not in level Y file

• HGLM specific error messages

• HLM is unable to estimate covariance components

• Improper imputation

• Invalid dictionary subtype

• Laplace iterations stops prematurely

• Errors occurred when making MDM

• MDM file not of recognized type

• Values of MDIST and CHIPCT are missing

• No robust standard errors are reported

• OLS coefficients were only computed for ….

• Only robust standard errors are reported

• Only X out of Y units used..

• P-values incorrect or not reported

• Random effects needs to be restricted

• Robust standard errors cannot be computed for this model

• System errors

• Descriptive statistics are incorrect

• The model should be respecified…

• There are no degrees of freedom left

• There is a problem in the fixed part of the model

• Unable to open the file for writing

• Very large numbers in output

• VTheta1 not invertible

• X of Y units failed the conditioning check

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