set more off

cd /users/willa/desktop/econ174_274/repset1
use "pset1-2011a.dta", clear



stop


*********************************
*Loops:
*********************************

/*Basic*/
foreach sister in {
	disp "Happy Birthday `sister'"
}

/*loop over variables*/
foreach var in sex indig dist_sec sc grc fam_n {
	sum `var' if treat==0
	sum `var' if treat==1
}

/*OR*/
foreach var of varlist sex-fam_n {
	sum `var' if treat==0
	sum `var' if treat==1
}

/*OR*/
foreach var of varlist sex-fam_n {
	foreach a in 0 1{
		sum `var' if treat==`a'
	}
}

/*loop over numbers*/
foreach e of numlist 0/10{
	disp `e'
}

foreach e of numlist 0(2)10{
	disp `e'
}

foreach e in 0 1 2 3 4 5 6 7 8 9 10{
	disp `e'
}


help foreach


************************
*Locals
************************

local classlist=" "

foreach name in `classlist'{
	disp `name'
}

disp `classlist'

***Hint: can avoid re-writing controls ...

************************
*Graphing***************
************************

*Repeat from pset 1: 


bysort hohedu: egen mean_sc=mean(sc)

scatter mean_sc hohedu
lfit mean_sc hohedu

twoway (scatter mean_sc hohedu) (lfit mean_sc hohedu) 
twoway (scatter mean_sc hohedu) (lfit mean_sc hohedu) (qfit mean_sc hohedu)
twoway (scatter mean_sc hohedu) (lfit mean_sc hohedu) (qfit mean_sc hohedu) (lowess mean_sc hohedu)

bysort hohedu: egen mean_hohwag=mean(hohwag)
twoway (scatter mean_hohwag hohedu) (lfit mean_hohwag hohedu) (qfit mean_hohwag hohedu)
twoway (scatter mean_hohwag hohedu) (lowess mean_hohwag hohedu)

bysort hohedu: egen count_ed=count(sc)
twoway (scatter mean_hohwag hohedu [w=count_ed]) (lowess mean_hohwag hohedu)
twoway (scatter mean_hohwag hohedu [w=count_ed],  mfcolor(gs15) mlcolor(gs4) ) (lowess mean_hohwag hohedu)

twoway (scatter hohwag hohedu) (lfit hohwag hohedu) (qfit hohwag hohedu)

/*BTW*/
scatter min_dist dist_cap

/*Single variable*/


hist hohedu
kdensity hohedu
twoway (hist hohedu) (kdensity hohedu)




help twoway
*title
*xtitle
*legend