I have an "X" and "Y" database, in which they were supposed to be the same, but in "X there are more observations than in "Y". To better understand how observations over "X", I want to create a new database wich just those observations. Does anyone know the codes to do this?
ANOVA, or Analysis Of Variance, is used to compare the averages or means of two or more populations to better understand how they differ. Watch this tutorial for more.