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From |
Christopher Baum <kit.baum@bc.edu> |

To |
"statalist@hsphsun2.harvard.edu" <statalist@hsphsun2.harvard.edu> |

Subject |
re:st: Finding Maximum of a series |

Date |
Sat, 19 Nov 2011 10:03:25 -0500 |

<> I have a time series dataset ranging from 1940 to 2000. I have to find the maximum value in series(wage) in the following way: Maximum wage in 1940 to 1941 Maximum wage in 1940 to 1942 Maximum wage in 1940 to 1943 Maximum wage in 1940 to 1944 and so on till Maximum wage in 1940 to 2000 Although there are several elementary ways to do this, a useful tool is part of Nick Cox's -egenmore- package on SSC, which contains the egen record() function. That allows you to compute, for instance, the 'record', or largest value to date, for the time series (In this case the 'record' value is the highest, as in most points scored per World Cup final game, rather than the smallest, e.g., fastest Olympic marathon; record() can do either). By just pulling out values of the new variable for end 1941, end 1942, etc. you have what you refer to above. webuse wpi1,clear egen highest_price = record(wpi) Kit Kit Baum | Boston College Economics & DIW Berlin | http://ideas.repec.org/e/pba1.html An Introduction to Stata Programming | http://www.stata-press.com/books/isp.html An Introduction to Modern Econometrics Using Stata | http://www.stata-press.com/books/imeus.html * * For searches and help try: * http://www.stata.com/help.cgi?search * http://www.stata.com/support/statalist/faq * http://www.ats.ucla.edu/stat/stata/

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