CODE DESIGN, MACROS, AND SUBROUTINES

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WHY USE <strong>SUBROUTINES</strong>?Using a code library improves the productivity andquality of your codeEncourages the re-use of well tested algorithmsEnforces consistent results across time and teammembersSome loss of transparencyCode in subroutine is hidden from view whencalled from the main programWednesday, August 21, 13

presentation - VirtualRDC @ Cornell - Cornell University

<strong>SUBROUTINES</strong>Subroutines can be isolated from the main codeProvide a local name spaceReturning results to the main programWednesday, August 21, 13

Page 2 and 3: CODE DESIGNDo not simply start writ
Page 4 and 5: CODE STYLEMake your code as transpa
Page 6 and 7: REWRITE 1*** Use the data created i
Page 8 and 9: REWRITE 3*** Use the data created i
Page 10 and 11: SIMPLE EXAMPLESAS%let rhs_vars=x1 x
Page 14 and 15: EXAMPLE: CPI MACRO*** Adjust earnin
Page 16 and 17: STATALinks to web tutorialshttp://w
Page 18: CONCLUSIONWrite code with a consist

CODE DESIGN, MACROS, AND SUBROUTINES

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