eventstudy2使用过程报错

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运行后在merging event dates and stock market data…阶段报错
op. sys.  refuses to provide memory
设置了运行内存8g也不行

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关键词：Events Event study Even vent

. eventstudy2 Security_id Date using Security_returns, eswlb(-270) eswub(-21)  evwlb(-20) evwub(20) ret(Return) car1LB(-1) car1UB(1) car2LB(0) car2UB(1) car3LB(-3) car3UB(3) car4LB(-5) car4UB(5) car5LB(-10) car5UB(10) car6LB(-15) car6UB(15) mod(FM) marketfile(Factor_returns2009) mar(MKT1) idmar(Market_reference) factor1(SMB1_3) factor2(HML1_3) risk(risk_free_rate1)
Generating dateline ...
...succeeded
Preparation of event list ...
...succeeded
Preparation of security return data...
...succeeded
Preparation of market and/or factor return data...
...succeeded
Merging event dates and stock market data...
op. sys. refuses to provide memory