practice-pulgones.sas

/*
 * University: Universidad de Valladolid
 * Degree: Grado en Estadística
 * Subject: Regresión y ANOVA
 * Year: 2017/18
 * Teacher: Lourdes Barba Escribá
 * Author: Sergio García Prado (garciparedes.me)
 * Name: Práctica Pulgones

 */
data pulgones;
	do semana=1 to 6;

		do repet=1 to 40;
			input recuento @@;
			output;
		end;
	end;
	datalines;
	12 1 6 1 5 7 1 1 2 1 20 0 9 7 0 12 2 0 0 2 8 0 11 2 21 0 3 18 2 2 6 6
	5 1 12 0 3 1 1 18 40 16 32 15 44 41 43 53 67 21 6 31 15 11 21 40 15 50
	17 32 24 7 25 11 64 22 50 27 3 46 45 10 8 27 34 19 86 83 17 36 86 63
	20 68 55 42 24 29 20 27 26 63 40 46 7 15 10 30 46 26 15 42 6 28 7 9 5
	35 6 9 108 38 35 64 21 20 62 25 0 0 29 2 3 0 4 2 6 7 5 4 6 0 0 5 1 3 2
	2 2 5 0 1 1 0 3 1 2 0 3 3 18 7 21 0 0 0 2 3 0 40 5 7 0 0 0 1 1 2 1 0
	25 1 0 0 0 0 0 0 0 5 0 2 0 0 0 2 0 0 0 4 0 0 0 0 2 0 0 0 0 2 1 0 0 1 7
	0 0 0 4 1 5 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
;


proc print data=pulgones (obs=8);
run;

proc univariate data=pulgones plot;
	by semana;
	var recuento;
	qqplot recuento / normal;
run;

proc glm data=pulgones;
	class semana;
	model recuento=semana;
	output out= resal p=pred r=res student=rst;
proc print data=resal;run;

proc univariate plot normal data=resal;
	var res;
run;

proc glm data=pulgones;
	class semana;
	model recuento=semana;
run;