clear

set more off

cd "C:\Users\5604641851\Downloads"

use CEOSAL2.DTA, clear

sum

codebook

describe

regress lsalary lsales lmktval

regress lsalary lsales lmktval profits
describe
regress lsalary lsales lmktval profits profmarg
regress lsalary lsales lmktval profits ceoten

regress lsalary lmktval profits
correlate lmktval profits
 
clear

set more off

cd "C:\Users\5604641851\Downloads"

use WAGE2.DTA, clear
regress lwage educ exper tenure 

test exper==tenure
clear

3.
use discrim.DTA, clear
regress lpsoda prpblck lincome prppov

ttest prpblck==0

clear

set more off

cd "C:\Users\5604641851\Downloads"

use discrim.dta, clear

regress lpsoda prpblck lincome prppov
regress lpsoda prpblck lincome prppov lhseval
test exper==tenure
test (lincome=0)(prppov=0)
ttest lincome == 0
regress lpsoda prpblck
regress lpsoda prpblck lincome
regress lpsoda prpblck prppov
regress lpsoda prpblck lhseval