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kplot1.do
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program kplot1
syntax anything [,TIPO(string)]
qui set obs `1'
if ("`tipo'" == "omitida") {
qui {
g w = 10*runiform()
g u = 0
replace u = 1 if w > 5
g x = 10 + 2*u + rnormal(10,1)
g y = -0.5*x + 4*u + 1+ rnormal(10,1)
local vars y x
foreach x of local vars {
egen m`x' = mean(`x') , by(u)
g `x'2 = `x' - m`x'
forvalues u = 0(1)1 {
sum `x' if u == `u'
global `x'`u' = r(mean)
}
}
cor y x
mat cor1 = r(C)
global h = round(cor1[2,1],0.001)
cor y2 x2
mat cor1 = r(C)
global ha2 = round(cor1[2,1],0.001)
twoway (scatter y x if u == 0) ///
(scatter y x if u == 1) (lfit y x) , name(a, replace) ///
graphregion(fcolor(white)) ytitle(Y) xtitle(X) ///
legend(order(1 " u = 0" 2 "u = 1")) ///
title("Datos en Bruto" "Correlacion de $h ")
graph export correlation1.png,as(png) replace
twoway (scatter y x if u == 0) ///
(scatter y x if u == 1) , name(b, replace) xline($x0) xline($x1) ///
graphregion(fcolor(white)) ytitle(Y) xtitle(X) ///
legend(off) ///
title("Que diferencias en X" "son explicadas por U" )
graph export correlation2.png,as(png) replace
twoway (scatter y x2 if u == 0) ///
(scatter y x2 if u == 1), name(c, replace) ///
graphregion(fcolor(white)) ytitle(Y) xtitle(X) ///
legend(off) ///
title("Remover las diferencias" "en X explicadas por U")
graph export correlation3.png,as(png) replace
twoway (scatter y x2 if u == 0) ///
(scatter y x2 if u == 1), name(d, replace) yline($y0) yline($y1) ///
graphregion(fcolor(white)) ytitle(Y) xtitle(X) ///
legend(off) ///
title("Que diferencias en Y" "son explicadas por U")
graph export correlation4.png,as(png) replace
twoway (scatter y2 x2 if u == 0) ///
(scatter y2 x2 if u == 1)(lfit y2 x2) , name(e, replace) ///
graphregion(fcolor(white)) ytitle(Y) xtitle(X) legend(off) ///
title("Remover las diferencias" "en Y explicadas por U" "Corr: $ha2")
graph export correlation5.png,as(png) replace
drop *
}
}
if ("`tipo'" == "psm") {
qui{
g w = 10*runiform()
g u = 0
replace u = 1 if w > 9.3
g x = 10 + rnormal(10,5)
g y = 1.5*x + 0.5*w+ 5*u + 5 + rnormal(10,4)
g k = 0
g m=.
local con " "
local line " "
gsort -u x
sum x if u == 1
forvalues i = 1(1)`r(N)'{
local u`i' = x[`i'] + `2'
local l`i' = x[`i'] - `2'
local con`i' = " (x < `u`i'' & x > `l`i'')"
local line "`line' xline(`u`i'' , lcolor(black) lpattern(shortdash) lwidth(vvvthin) ) xline(`l`i'' , lpattern(shortdash) lwidth(vvvthin) lcolor(black))"
replace m = `i' if `con`i''
}
twoway (scatter y x if u == 1, msize(vsmall)) ///
(scatter y x if u == 0, msize(vsmall)) , name(a, replace) ///
graphregion(fcolor(white)) legend(order(1 "Tratado" 2 "Control")) ///
title("Diseño Matching" "Datos en Bruto") ytitle(" ") xtitle(" ")
graph export correlation1.png,as(png) replace
twoway (scatter y x if u == 1, msize(vsmall)) ///
(scatter y x if u == 0, msize(vsmall)), `line' name(b, replace) ///
graphregion(fcolor(white)) legend(off) ///
title("Obs similares" "En terminos de X") ytitle(" ") ///
xtitle(" ")
graph export correlation2.png,as(png) replace
keep if m != .
g u2 = 1
replace u2 = 0 if u == 1
egen z = total(u + u2), by(m)
twoway (scatter y x if u == 1, msize(vsmall)) ///
(scatter y x if u == 0, msize(vsmall)), `line' ///
name(c, replace) graphregion(fcolor(white)) ///
legend(off) ///
title("Nos enfocamos en" "las Obs similares" "En un radio de `2'")
graph export correlation3.png,as(png) replace
egen my = mean(y),by(u)
forvalues i = 0(1)1{
sum y if u == `i'
local m`i' = `r(mean)'
}
keep if z > 1
sum z
twoway (scatter y x if u == 1, msize(vsmall) yline(`m1' , lcolor(black))) ///
(scatter y x if u == 0, msize(vsmall) yline(`m0' , lcolor(black))), graphregion(fcolor(white)) ///
name(d, replace) legend(off) ///
title("Mantemos `r(N)' Obs" "Comparables" "Calculamos E(y) Para" "cada grupo") ///
ytitle(" ") xtitle(" ")
graph export correlation4.png,as(png) replace
twoway (line my x if u == 1, msize(vsmall) lcolor(navy)) ///
(line my x if u == 0, msize(vsmall) lcolor(maroon)) ///
, graphregion(fcolor(white)) ///
name(e, replace) legend(off) ///
title("El ATE es" "E(Y|D=1) - E(Y|D=0)")
graph export correlation5.png,as(png) replace
drop *
}
}
if ("`tipo'" == "dd") {
qui {
g w = 10*runiform()
g t = 10*runiform()
g u = 0
replace u = 1 if w > 5
g d = 0
replace d = 1 if t > 5
g y = 3*u + 5*t^0.5+ d*2+ 5*u*d + rnormal(5,2)
g k = 0
forvalues i = 0(1)1{
forvalues j = 0(1)1{
qui sum y if d == `i' & u == `j'
local m`i'`j' = r(mean)
}
}
local m1 = `m10' - `m00'
local m0 = `m11' - `m01'
g y2 = y
replace y2 = y - `m1' if u == 0 & d == 1
replace y2 = y - `m1' if u == 1 & d == 1
egen my = mean(y), by(u d)
egen my2 = mean(y2), by(u d)
global op1 mcolor(gs7) msize(vsmall)
global op2 mcolor(black) msize(vsmall)
global op3 msize(vsmall)
global op4 mcolor(maroon) msize(vsmall)
global op5 mcolor(navy8) msize(vsmall) lcolor(navy8)
global op6 lcolor(maroon) msize(vsmall)
twoway (scatter y t if u == 0 , $op1 ) ///
(scatter y t if u == 1, $op2 ) , name(a, replace) ///
graphregion(fcolor(white)) legend(off) xtitle("Tiempo") ///
xline(5, lpattern(longdash)) ytitle("Resultado") ///
title("Diseño DIFDIF" "Datos en Bruto")
graph export correlation1.png,as(png) replace
twoway (scatter y t if u == 0, $op1 ) ///
(scatter y t if u == 1, $op2 ) ///
(line my t if u == 0 & d == 0 , $op5) ///
(line my t if u == 0 & d == 1 , $op5) ///
(line my t if u == 1 & d == 0, $op6) ///
(line my t if u == 1 & d == 1, $op6), name(b, replace) ///
graphregion(fcolor(white)) legend(off) xtitle("Tiempo") ///
xline(5, lpattern(longdash)) ytitle("Resultado") ///
title("Variacion explicada" "por Grupos y Tiempo")
graph export correlation2.png,as(png) replace
twoway (line my t if u == 0 & d == 0, $op5) ///
(line my t if u == 0 & d == 1, $op5) ///
(line my t if u == 1 & d == 0 , $op6 ) ///
(line my t if u == 1 & d == 1 , $op6 ) , name(c, replace) ///
graphregion(fcolor(white)) legend(off) xtitle("Tiempo") ///
xline(5, lpattern(longdash)) ytitle("Resultado") ///
title("Mantenemos los" "promedios" "en D y T")
graph export correlation3.png,as(png) replace
twoway (line my2 t if u == 0 , $op3 ) ///
(line my2 t if u == 1 & d == 1, $op6 ) ///
(line my2 t if u == 1 & d == 0, $op6 ) , ///
graphregion(fcolor(white)) name(d, replace) ///
legend(off) xtitle("Tiempo") ///
xline(5, lpattern(longdash)) ytitle("Resultado") ///
title("ATE" "Doble Diferencia")
graph export correlation4.png,as(png) replace
drop *
}
}
if ("`tipo'" == "rd") {
qui {
g t = 10*runiform()
g d = 0
replace d = 1 if t > 5
g y = 2 + t - 0.8*t^2 + 10*d + 0.1*t^3 + rnormal(5,5)
xtile q = t, nquantiles(10)
egen my0 = mean(y) if d == 0, by(q)
egen my1 = mean(y) if d == 1, by(q)
g my = my0 if d == 0
replace my = my1 if d == 1
scatter y t , xline(5, lpattern(longdash)) ///
name(a, replace) msize(vsmall) xtitle("Puntaje") ///
ytitle("Resultado") graphregion(fcolor(white)) ///
title("Diseño RD" "Datos en Bruto")
graph export correlation1.png,as(png) replace
twoway (scatter y t , xline(5, lpattern(longdash)) msize(vsmall)) ///
(scatter my t , xline(5, lpattern(longdash)) ///
msize(vsmall)) , name(b, replace) xtitle("Puntaje") ///
ytitle("Resultado") graphregion(fcolor(white)) legend(off) ///
title("Variacion Explicada por" "la variable Running")
graph export correlation2.png,as(png) replace
scatter my t , msize(vsmall) ///
xline(5, lpattern(longdash)) name(c, replace) ///
msize(vsmall) mcolor(maroon) xtitle("Puntaje") ///
ytitle("Resultado") graphregion(fcolor(white)) ///
title("Nos quedamos" "la variacion" "explicada por R")
graph export correlation3.png,as(png) replace
twoway (scatter my t if t < 5 & t > 5 - `2', msize(vsmall) ) ///
(scatter my t if t > 5 & t < 5 + `2', msize(vsmall) ) , ///
xline(5, lpattern(longdash)) name(d, replace) ///
xtitle("Puntaje") ///
ytitle("Resultado") graphregion(fcolor(white)) ///
title("Efecto LATE" "Impacto Local") legend(off)
graph export correlation4.png,as(png) replace
drop *
}
}
end