please tell me what kind of mistake in the following codes. 1849  ********* Calculate GRS F-Statistics; 1850 1851 1852  proc iml; NOTE: IML Ready 1853 1854  use fcov; 1855  read b  into O;            -            22            76 ERROR 22-322: Syntax error, expecting one of the following: INTO, POINT, VAR, VARIABLES. ERROR 76-322: Syntax error, statement will be ignored. 1856  print O; ERROR: Matrix O has not been set to a value. statement : PRINT at line 1856 column 1 1857 1858  invO=inv(O); ERROR: (execution) Matrix has not been set to a value. operation : INV at line 1858 column 9 operands  : O O      0 row       0 col     (type ?, size 0) statement : ASSIGN at line 1858 column 1 1858!              ***Inverse Omega; 1859  print invO; ERROR: Matrix invO has not been set to a value. statement : PRINT at line 1859 column 1 1860 1861  use fmean; 1862  read b into M;            -            22            76 ERROR 22-322: Syntax error, expecting one of the following: INTO, POINT, VAR, VARIABLES. ERROR 76-322: Syntax error, statement will be ignored. 1863  print M; ERROR: Matrix M has not been set to a value. statement : PRINT at line 1863 column 1 1864 1865  tM=M`; ERROR: (execution) Matrix has not been set to a value. operation : ` at line 1865 column 5 operands  : M M      0 row       0 col     (type ?, size 0) statement : ASSIGN at line 1865 column 1 1865!        ***Transpose E(f); 1866  print tM; ERROR: Matrix tM has not been set to a value. statement : PRINT at line 1866 column 1 1867 1868  tM_invO=tM*invO; ERROR: (execution) Matrix has not been set to a value. operation : * at line 1868 column 11 operands  : tM, invO tM      0 row       0 col     (type ?, size 0) invO      0 row       0 col     (type ?, size 0) statement : ASSIGN at line 1868 column 1 1869  print tM_invO; ERROR: Matrix tM_invO has not been set to a value. statement : PRINT at line 1869 column 1 1870 1871  tM2_invO=tM_invO*M; ERROR: (execution) Matrix has not been set to a value. operation : * at line 1871 column 17 operands  : tM_invO, M tM_invO      0 row       0 col     (type ?, size 0) M      0 row       0 col     (type ?, size 0) statement : ASSIGN at line 1871 column 1 1872  print tM2_invO; ERROR: Matrix tM2_invO has not been set to a value. statement : PRINT at line 1872 column 1 1873 1874  Z=1+tM2_invO; ERROR: (execution) Matrix has not been set to a value. operation : + at line 1874 column 4 operands  : *LIT1001, tM2_invO *LIT1001      1 row       1 col     (numeric)          1 tM2_invO      0 row       0 col     (type ?, size 0) statement : ASSIGN at line 1874 column 1 1875  invZ=inv(Z); ERROR: (execution) Matrix has not been set to a value. operation : INV at line 1875 column 9 operands  : Z Z      0 row       0 col     (type ?, size 0) statement : ASSIGN at line 1875 column 1 1876 1877  use rinvcov; 1878  read b var _num_ into invS;            -            22            76 ERROR 22-322: Syntax error, expecting one of the following: INTO, POINT, VAR, VARIABLES. ERROR 76-322: Syntax error, statement will be ignored. 1879  print invS; ERROR: Matrix invS has not been set to a value. statement : PRINT at line 1879 column 1 1880 1881  use parms; 1882  read b var _num_ into A;            -            22            76 ERROR 22-322: Syntax error, expecting one of the following: INTO, POINT, VAR, VARIABLES. ERROR 76-322: Syntax error, statement will be ignored. 1883  print A; ERROR: Matrix A has not been set to a value. statement : PRINT at line 1883 column 1 1884 1885  tA=A`; ERROR: (execution) Matrix has not been set to a value. operation : ` at line 1885 column 5 operands  : A A      0 row       0 col     (type ?, size 0) statement : ASSIGN at line 1885 column 1 1886  print tA; ERROR: Matrix tA has not been set to a value. statement : PRINT at line 1886 column 1 1887 1888  tA_invS=tA*invS; ERROR: (execution) Matrix has not been set to a value. operation : * at line 1888 column 11 operands  : tA, invS tA      0 row       0 col     (type ?, size 0) invS      0 row       0 col     (type ?, size 0) statement : ASSIGN at line 1888 column 1 1889  print tA_invS; ERROR: Matrix tA_invS has not been set to a value. statement : PRINT at line 1889 column 1 1890 1891  tA2_invS=tA_invS*A; ERROR: (execution) Matrix has not been set to a value. operation : * at line 1891 column 17 operands  : tA_invS, A tA_invS      0 row       0 col     (type ?, size 0) A      0 row       0 col     (type ?, size 0) statement : ASSIGN at line 1891 column 1 1892  print tA2_invS; ERROR: Matrix tA2_invS has not been set to a value. statement : PRINT at line 1892 column 1 1893 1894  X=(T-N-K)/N; ERROR: (execution) Matrix has not been set to a value. operation : - at line 1894 column 5 operands  : T, N T      0 row       0 col     (type ?, size 0) N      0 row       0 col     (type ?, size 0) statement : ASSIGN at line 1894 column 1 1894!              ***Need to plug in figure manually; 1895  F1=X*invZ*tA2_invS; ERROR: (execution) Matrix has not been set to a value. operation : * at line 1895 column 5 operands  : X, invZ X      0 row       0 col     (type ?, size 0) invZ      0 row       0 col     (type ?, size 0) statement : ASSIGN at line 1895 column 1 1896  print F1; ERROR: Matrix F1 has not been set to a value. statement : PRINT at line 1896 column 1 1897  run; NOTE: Module MAIN is undefined in IML; cannot be RUN. 1849  ********* Calculate GRS F-Statistics; 1850 1851 1852  proc iml; NOTE: IML Ready 1853 1854  use fcov; 1855  read b  into O;            -            22            76 ERROR 22-322: Syntax error, expecting one of the following: INTO, POINT, VAR, VARIABLES. ERROR 76-322: Syntax error, statement will be ignored. 1856  print O; ERROR: Matrix O has not been set to a value. statement : PRINT at line 1856 column 1 1857 1858  invO=inv(O); ERROR: (execution) Matrix has not been set to a value. operation : INV at line 1858 column 9 operands  : O O      0 row       0 col     (type ?, size 0) statement : ASSIGN at line 1858 column 1 1858!              ***Inverse Omega; 1859  print invO; ERROR: Matrix invO has not been set to a value. statement : PRINT at line 1859 column 1 1860 1861  use fmean; 1862  read b into M;            -            22            76 ERROR 22-322: Syntax error, expecting one of the following: INTO, POINT, VAR, VARIABLES. ERROR 76-322: Syntax error, statement will be ignored. 1863  print M; ERROR: Matrix M has not been set to a value. statement : PRINT at line 1863 column 1 1864 1865  tM=M`; ERROR: (execution) Matrix has not been set to a value. operation : ` at line 1865 column 5 operands  : M M      0 row       0 col     (type ?, size 0) statement : ASSIGN at line 1865 column 1 1865!        ***Transpose E(f); 1866  print tM; ERROR: Matrix tM has not been set to a value. statement : PRINT at line 1866 column 1 1867 1868  tM_invO=tM*invO; ERROR: (execution) Matrix has not been set to a value. operation : * at line 1868 column 11 operands  : tM, invO tM      0 row       0 col     (type ?, size 0) invO      0 row       0 col     (type ?, size 0) statement : ASSIGN at line 1868 column 1 1869  print tM_invO; ERROR: Matrix tM_invO has not been set to a value. statement : PRINT at line 1869 column 1 1870 1871  tM2_invO=tM_invO*M; ERROR: (execution) Matrix has not been set to a value. operation : * at line 1871 column 17 operands  : tM_invO, M tM_invO      0 row       0 col     (type ?, size 0) M      0 row       0 col     (type ?, size 0) statement : ASSIGN at line 1871 column 1 1872  print tM2_invO; ERROR: Matrix tM2_invO has not been set to a value. statement : PRINT at line 1872 column 1 1873 1874  Z=1+tM2_invO; ERROR: (execution) Matrix has not been set to a value. operation : + at line 1874 column 4 operands  : *LIT1001, tM2_invO *LIT1001      1 row       1 col     (numeric)          1 tM2_invO      0 row       0 col     (type ?, size 0) statement : ASSIGN at line 1874 column 1 1875  invZ=inv(Z); ERROR: (execution) Matrix has not been set to a value. operation : INV at line 1875 column 9 operands  : Z Z      0 row       0 col     (type ?, size 0) statement : ASSIGN at line 1875 column 1 1876 1877  use rinvcov; 1878  read b var _num_ into invS;            -            22            76 ERROR 22-322: Syntax error, expecting one of the following: INTO, POINT, VAR, VARIABLES. ERROR 76-322: Syntax error, statement will be ignored. 1879  print invS; ERROR: Matrix invS has not been set to a value. statement : PRINT at line 1879 column 1 1880 1881  use parms; 1882  read b var _num_ into A;            -            22            76 ERROR 22-322: Syntax error, expecting one of the following: INTO, POINT, VAR, VARIABLES. ERROR 76-322: Syntax error, statement will be ignored. 1883  print A; ERROR: Matrix A has not been set to a value. statement : PRINT at line 1883 column 1 1884 1885  tA=A`; ERROR: (execution) Matrix has not been set to a value. operation : ` at line 1885 column 5 operands  : A A      0 row       0 col     (type ?, size 0) statement : ASSIGN at line 1885 column 1 1886  print tA; ERROR: Matrix tA has not been set to a value. statement : PRINT at line 1886 column 1 1887 1888  tA_invS=tA*invS; ERROR: (execution) Matrix has not been set to a value. operation : * at line 1888 column 11 operands  : tA, invS tA      0 row       0 col     (type ?, size 0) invS      0 row       0 col     (type ?, size 0) statement : ASSIGN at line 1888 column 1 1889  print tA_invS; ERROR: Matrix tA_invS has not been set to a value. statement : PRINT at line 1889 column 1 1890 1891  tA2_invS=tA_invS*A; ERROR: (execution) Matrix has not been set to a value. operation : * at line 1891 column 17 operands  : tA_invS, A tA_invS      0 row       0 col     (type ?, size 0) A      0 row       0 col     (type ?, size 0) statement : ASSIGN at line 1891 column 1 1892  print tA2_invS; ERROR: Matrix tA2_invS has not been set to a value. statement : PRINT at line 1892 column 1 1893 1894  X=(T-N-K)/N; ERROR: (execution) Matrix has not been set to a value. operation : - at line 1894 column 5 operands  : T, N T      0 row       0 col     (type ?, size 0) N      0 row       0 col     (type ?, size 0) statement : ASSIGN at line 1894 column 1 1894!              ***Need to plug in figure manually; 1895  F1=X*invZ*tA2_invS; ERROR: (execution) Matrix has not been set to a value. operation : * at line 1895 column 5 operands  : X, invZ X      0 row       0 col     (type ?, size 0) invZ      0 row       0 col     (type ?, size 0) statement : ASSIGN at line 1895 column 1 1896  print F1; ERROR: Matrix F1 has not been set to a value. statement : PRINT at line 1896 column 1 1897  run; NOTE: Module MAIN is undefined in IML; cannot be RUN. ... 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here is my codes.it have some miskates,but i can not find them.please do me a favour. thank you very much. data raw;    input stckcd 1. @3 date yyyymm7.+1return 2.; cards; 1 1995-01 1 1 1995-02 2 1 1995-03 3 1 1995-04 4 1 1995-05 5 1 1996-01 11 1 1996-02 22 1 1996-03 33 1 1996-04 44 2 1995-01 6 2 1995-02 7 2 1995-03 8 2 1995-04 9 2 1996-01 66 2 1996-02 77 2 1996-03 88 ; run; data raw1; set raw; year=year(date); month=month(date); run; proc print data=raw1;run; here is the results                          Obs    stckcd     date    return    year    month                            1       1      11995       1      1992      11                            2       1      21995       2      2020       3                            3       1      31995       3      2047       8                            4       1      41995       4      2074      12                            5       1      51995       5      2102       5                            6       1      11996      11      1992      11                            7       1      21996      22      2020       3                            8       1      31996      33      2047       8                            9       1      41996      44      2074      12                           10       2      11995       6      1992      11                           11       2      21995       7      2020       3                           12       2      31995       8      2047       8                           13       2      41995       9      2074      12                           14       2      11996      66      1992      11                           15       2      21996      77      2020       3                           16       2      31996      88      2047       8 ... View more