在<计算计量经济学----计量经济学家和金融分析师Gauss编程与应用>林光平著一书中, 从第二个例题开始, 程序运算就出了问题, 我不明白怎么处理, 求助大家: 如下

源文件是:

YEAR PGNP GNP UEM AF POP EM 1947 83.0 234289 2356 1590 107608 60323 1948 88.5 259426 2325 1456 108632 61122 1949 88.2 258054 3682 1616 109773 60171 1950 89.5 284599 3351 1650 110929 61187 1951 96.2 328975 2099 3099 112075 63221 1952 98.1 346999 1932 3594 113270 63639 1953 99.0 365385 1870 3547 115094 64989 1954 100.0 363112 3578 3350 116219 63761 1955 101.2 397469 2904 3048 117388 66019 1956 104.6 419180 2822 2857 118734 67857 1957 108.4 442769 2936 2798 120445 68169 1958 110.8 444546 4681 2637 121950 66513 1959 112.6 482704 3813 2552 123366 68655 1960 114.2 502601 3931 2514 125368 69564 1961 115.7 518173 4806 2572 127852 69331 1962 116.9 554894 4007 2827 130081 70551 /* Data Source ----------- J. W. Longley, "An Appraisal of Least Squares Program from the Point of the User," Journal of American Statistical Association, 1967, 819-841.

Data Description ---------------- YEAR = Year 1947 - 1962 PGNP = GNP Deflator 1954=100 GNP = Gross National Product in $1,000,000 UEM = Unemployed in thousands AF = Armed Forces in thousands POP = Population in thousands EM = Employed in thousands */

编程计算:

/* ** Lesson 2.2: File I/O */ output file = gpe\output2.2 reset; load data[17,7] = gpe\longley.txt; data = data[2:17,.];

PGNP = data[.,2]; GNP = data[.,3]/1000; POPU = data[.,6]/1000; EM = data[.,7]/1000;

X = PGNP~GNP~POPU~EM; print X; end;

然后运行之后是这个结果:

run C:\GAUSS\GPE\LESSON2.2;

C:\GAUSS\GPE\LESSON2.2(4) : error G0087 : 'C:\GAUSSLT50\gpe\output2.2' : Couldn't open

C:\GAUSS\GPE\LESSON2.2(5) : error G0014 : '' : File not found

不知道如何解决, 本人在编程上真是小菜, 希望能得到大家的帮助, 目前这门课清华好像在采用, 先在此表示感谢!!!!