Can anyone tell me what is this doing...?

/* New Section to determine the effect of variance on BS estimates */ /* Section #4 */ set more off use "/Users/macuser/Desktop/Final exam 2/WAGE1. DTA", clear forvalues i=1(1)24 { gen error i' = 100*invnorm(uniform( ) ) gen wage i'=wage+error* i' quietly regress wage i' educ estimates store bs'i' matrix BS'i' = (i', el(e(b), 1,1)) matrix BS= (BS1\\BS2\\B53\\B54\\B55\\\\B56\\BS7\\BS8\\BS9\\BS10\\BS11\\BS12\\BS13\\B514\\B515\\B516\\BS17\\BS18\\BS19\\BS20\\BS21\\B522\\B523\\BS24) matrix colnames BS = iter beta_educ svmat BS, names (col) quietly save "BS25", replace quietly use BS25. dta sum beta_educ histogram beta_educ, bin(7) freq log close