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                logB(X)=log(X) / log10(B)

Note:   X is the variable whose log will be determined. B is the base of the log that will be determined. Y is the log, base b, of x.

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These sample files and code examples are provided by SAS Institute Inc. "as is" without warranty of any kind, either express or implied, including but not limited to the implied warranties of merchantability and fitness for a particular purpose. Recipients acknowledge and agree that SAS Institute shall not be liable for any damages whatsoever arising out of their use of this material. In addition, SAS Institute will provide no support for the materials contained herein.

data test;
  b=6;
  do i=1 to 10;
    x=int(ranuni(12345)*100);

    /* Y equals the LOG, base B, of X*/
    y=LOG10(x)/LOG10(b);
    output;
  end;
run;

proc print;
run;

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These sample files and code examples are provided by SAS Institute Inc. "as is" without warranty of any kind, either express or implied, including but not limited to the implied warranties of merchantability and fitness for a particular purpose. Recipients acknowledge and agree that SAS Institute shall not be liable for any damages whatsoever arising out of their use of this material. In addition, SAS Institute will provide no support for the materials contained herein.

Obs    b     i     x       y

 1    6     1    36    2.00000
 2    6     2    74    2.40214
 3    6     3    83    2.46620
 4    6     4    27    1.83944
 5    6     5    18    1.61315
 6    6     6    72    2.38685
 7    6     7     7    1.08603
 8    6     8    73    2.39455
 9    6     9    70    2.37113
10    6    10    76    2.41703

Operating System and Release Information