topic Re: SAS function to generate 100 observations from a normal distribution in New SAS User

SAS function to generate 100 observations from a normal distribution

James1214 — Sun, 21 Oct 2018 18:10:28 GMT

For my homework in my computing class, I need to use SAS function to generate 100 observations from a normal distribution with mean 20 and standard deviation 10.

This is what I have so far in my code.

%LET N = 100; /* size of sample */

Data Rand(keep=x u);

call streaminit(4321); /* set seed */

DO I = 1 to 100; /* generate 100 random values */

x = rand("Normal"); /* x ~ N(0,1) */

u = rand("Uniform"); /* u ~ U(0,1) */

output;

end;

run;

proc print;

run;

Can someone please help me with how do I make my code have the mean = 20 and standard deviation = 10?

Please let me know.

Thank you:)

Re: SAS function to generate 100 observations from a normal distribution

Rick_SAS — Sun, 21 Oct 2018 18:27:24 GMT

To sample from a normal distribution with mean=20 and stddev=10, use

x = rand("Normal", 20, 10);

Of course, the SAMPLE will not have exactly the same mean and std dev, because it is a random sample.

Re: SAS function to generate 100 observations from a normal distribution

James1214 — Sun, 21 Oct 2018 20:05:14 GMT

Thank you very much.

Re: SAS function to generate 100 observations from a normal distribution

Reeza — Sun, 21 Oct 2018 22:23:46 GMT

You declared a macro variable N but didn’t use it, was that intentional?

@James1214 wrote:

For my homework in my computing class, I need to use SAS function to generate 100 observations from a normal distribution with mean 20 and standard deviation 10.

This is what I have so far in my code.

%LET N = 100; /* size of sample */

Data Rand(keep=x u);

call streaminit(4321); /* set seed */

DO I = 1 to 100; /* generate 100 random values */

x = rand("Normal"); /* x ~ N(0,1) */

u = rand("Uniform"); /* u ~ U(0,1) */

output;

end;

run;

proc print;

run;

Can someone please help me with how do I make my code have the mean = 20 and standard deviation = 10?

Please let me know.

Thank you:)