= R multilevel = '''multilevel''' is a library of functions for working with multilevel data. <> ---- == Installation == {{{ install.packages('multilevel') }}} ---- == Usage == To calculate the [[Statistics/SobelTest|Sobel test statistic]], try: {{{ sorel(data$X, data$M, data$Y) }}} This displays: * the component models, including the estimated coefficients and intercepts * the indirect effect * the pooled standard error * the calculated Z statistic ---- CategoryRicottone