Chunk #29 — Methods — Statistical analyses — Software

Source: Parental alcohol use and adolescent school adjustment in the general population: results from the HUNT study.
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The "polycor" library of R version 2.11.1 was used for calculating polychoric correlations. Mplus 5.2 was used to factor analyse the polychoric correlation matrix. Subsequent analyses were run in SPSS 17.0.