Websysuse sp500, clear tsset date // 对日期排序 gen t = _n tsset t gen lnP = ln (close) gen return = D. lnP //收益率(D.表示一阶差分) gen Lreturn = L. return //前一天的收益率(L.表示一阶滞后项) gen L2return = L2. return //前两天的收益率 reg return L. return L2. return reg return L (1 / 3). return F (1 / 2). return ... WebJul 26, 2011 · ***** Begin example ***** sysuse sp500, clear tsset date rolling Var = r(Var), window(60) step(1): summarize open, d list in 1/10 ***** End example ***** Best Oliver Am 25.07.2011 13:00, schrieb Nadine R: Dear Statalisters! I have a new problem: I want to calculate the volatility of some stock returns using Equally Weighted Moving Averages …
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How can I graph data with dates? Stata FAQ - University of …
WebApr 20, 2024 · 01 首先以系统数据sp500为例介绍区间的纵向强调,假设我们重点强调1-2月份和7-8月份的数据,就可以执行下面的命令来实现: sysuse sp500,clear twoway functiony=64.29004,range (14977 15034) recast (area) color (gs12) base (-54) /// function y=64.29004,range (15158 15218) recast (area) color (gs12) base (-54) /// function y= … WebJul 16, 2024 · sysuse sp500, clear keep in 1/5 graph twoway (connected close date),xlabel(14977(1)14983, labsize(vsmall) nogextend) The produced graph has data … WebAug 1, 2014 · sysuse sp500, clear keep date gen in_bcal=1 tsset date tsfill gen day25=cond(day(date)==25,1,0) drop if missing(in_bcal) & day25==0 sort date replace … burgatory cranberry township