Parhelp: 
   pull variables for hours of help given by R to own parents or inlaws
   sum to total hours helped, all parents
   include also:
   - count of living parents, unmarried parents, parents living within 10 mi or cores
   - parent age
   - whether parents are alive H*PARLIV = count of living parents
   - whether parent married, and whether married to each other.
   - whether co-resident or lives within 10 mi of parent

Program to run:

parhelp.sas
	Include files:
		[root]/fem_env.sas - file to set up libnames, fmt/mac locations 
		[root]/FEM_Sas/HRS/Mac/wvlist.mac - macro to list wave-specific vars (e.g., r*[stem])
		[root]/FEM_Sas/HRS/Mac/wvlabel.mac - macro to label wave-specific vars (e.g., r*[stem])
		
	Input files:
		/sch-stor1-a/data-library/public-data/HRS/SAS/rndhrs_k.sas7bdat
		/sch-stor1-a/projects/public-data-projects/HRS/Datalib/Data/Parents/parents1b.sas7bdat
		/sch-stor1-a/data-library/public-data/HRS/formats.sas7bcat [formats library]
	
	Output files:
		[root]/input_data/parhelp.sas7bdat
		[root]/input_data/parhelp.dta
		
	Key variables (* is the wave, 4-9; [yy] is year 98-08):
   r*parhelphours	Total hours helped parents-own and inlaws
   r*paralive 		Total # living parents-own and inlaws
   r*parnotmar		Total # unmarried parents-own and inlaws
   r*par10mi  		Total # parents living w/in 10 mi-own and inlaws

   rm*alive				R mom whether alive
   rf*alive				R dad whether alive
   sm*alive				R mom-inlaw whether alive
   sf*alive				R dad-inlaw whether alive
              		
   rm*married			R mom whether married and to whom
   rf*married			R dad whether married and to whom
   sm*married			R mom-inlaw whether married and to whom
   sf*married			R dad-inlaw whether married and to whom
            			
   rm*liv10mi			R mom whether live within 10 mi
   rf*liv10mi			R dad whether live within 10 mi
   sm*liv10mi			R mom-inlaw whether live within 10 mi
   sf*liv10mi			R dad-inlaw whether live within 10 mi

Program to check things:
	parhelpf.sas - runs some tables on parhelp variables