search for: g30

...odel. and the level-1 model deals with the student,and the level-2 model deals with the class level the students belong to. Level-1 Model Y = B0 + B1*(ZLEAD) + B2*(ZBUL) + B3*(ZSHY) + R Level-2 Model B0 = G00 + U0 B1 = G10 + G11*(ZWARMT) + U1 B2 = G20 + G21*(ZWARMT) + G22*(ZABLET) + U2 B3 = G30 + G31*(ZWARMT) + G32*(ZSHYT1) + U3 i have seen the ?lme in nlme,but still have no ideal how to do. ps:i know how to do if the Level-2 Model are: B0 = G00 + U0 B1 = G10 + U1 B2 = G20 + U2 B3 = G30 + U3 2005-06-10 ------ Deparment of Sociology Fudan University Blog:www.sociology...

I'm trying to sort a DATAFRAME by a column "ID" that contains alphanumeric data. Specifically,"ID" contains integers all preceeded by the character "g" as in: g1, g6, g3, g19, g100, g2, g39 I am using the following code: DATAFRAME=DATAFRAME[order(DATAFRAME1$ID),] and was hoping it would sort the dataframe by ID in the following manner g1, g2, g3, g6, g19,