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stdevof关键字计算同函数pf_stdofdown,标准差算法一样pf_semideviation,:=inttodate20110630setsysparampn_stocksw801020,pn_dateendt,:=ndayn日期sp_time涨幅,stockzf3returnpf_semideviation,…
stdevof关键字计算同函数pf_semideviation,标准差算法一样pf_stdofdown,:=inttodate20110630setsysparampn_stocksw801020,pn_dateendt,:=ndayn日期sp_time涨幅,stockzf3returnpf_stdofdown,…
sql的stdevof关键字计算pf_standarddeviation,:=inttodate20110630setsysparampn_stocksw801020,pn_dateendt,:=ndayn日期sp_time涨幅,stockzf3returnpf_standarddeviation,…
sql的stdevof关键字计算pf_stdofup,:=inttodate20110630setsysparampn_stocksw801020,pn_dateendt,:=ndayn日期sp_time涨幅,stockzf3returnpf_stdofup,…
两列数据的相关系数pf_corr,231413returnpf_corr,…
w中的债券比例pf_bondyieldtomaturity,…
返回1否则返回0pf_vartest,%fromtendreturnpf_vartest,…
与系统参数周期相关pf_standarddeviation2,array4060setsysparampn_cyclecy,dayreturnpf_standarddeviation2,…
市值所占总市值的比例pf_groupconcentrationratio,:=array6040returnpf_groupconcentrationratio,…
该字段则用0代替pf_tzbl,0行业代码sw801180returnpf_tzbl,media2024-01-08_igyqnpdpfidoi2hcimage796,…