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→Introduction of Compustat and Preparation for Stata
*'''statastaging''' with all variables from compupatentlboyearsummary in addition to all the pulled compustat variables
*'''sicnaicsconversion''' with sic codes and naics codes as a conversion table for adding naics that correspond to the sic codes in blank rows. Table from https://www.census.gov/eos/www/naics/concordances/concordances.html
*'''statastagingnew''' with two extra columns, concordsic and concordnaics, then export to stata
