sc.mod.env.msrhat, sc.mod.env.msrhatmu,
coefficients=c("(Intercept)",'MeanSpeed', 'RH', 'MeanUpdraft', 'TKEsc.mod.env.msrhatmu="a) Global model w/ horizontal wind speed", sc.mod.env.tkerhatmu="b) Global model w/
number range
dftest = dfjoin.withColumn("random1", round(rand()*(10-5)+5,0)).withColumn("random2", round(rand()*(10-5)+5,0)).withColumn("random3", round(rand()*(10-5)+5,0)).withColumn("random4", r