added STATA data pre-processing script

data-pre-processing.do

+* Stata script to merge & process original time use data
+local ipath "/Users/ben/Documents/Work/Data/Social Science Datatsets/Time Use 2005/processed/"
+local opath "/Users/ben/Documents/Dropbox/energy-storage-dtc/data/"
+* survey variables to add
+local keepvars "gora numadult numdepch respsex respmar respwith numcar qhealth1 wrking nsecac5 agex ageh tengrp month agegrp"
+use "`ipath'/timeusefinal_for_archive_diary_long_v2.0.dta", clear
+
+merge m:1 serial using "`ipath'/timeusefinal_for_archive_survey_v2.0.dta", keepusing(`keepvars')
+
+compress
+
+save "`opath'/UK-2005-TU-merged-long-reduced.dta", replace