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what is the diff b/w verification validation in sas
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Answer / pnprasad
Verification: After writing a program, if you want to check
is it correct or not. Ex. By using Debuging
Validation: Is the process, recorded evidence of the
actions in a sequence and gives the same outputs with out
any deviation of the given task (i.e accuracy, integrity
etc).
| Is This Answer Correct ? | 8 Yes | 0 No |
verification :
is the value is correct ot not
validation :
is the value is existable or not
EX:
0 <= p(x) <= 1
validation: value of p(x) must be lies between 0 and 1
other wise it's not validate result
verification: check again the calculation process to obtain
the valid value for p(x).......
p(x) means probability of x(Success)
| Is This Answer Correct ? | 8 Yes | 2 No |
Answer / srinivas,korasavada
simply
verification:more of sence of testing the accuracy of a
statement.
validation:more of sence declaring statement to be true
| Is This Answer Correct ? | 7 Yes | 1 No |
data task; input id date date9. visit; cards; 101 01jan2015 1 101 02jan2015 2 101 06jan2015 3 102 04jan2015 1 102 07jan2015 2 102 12jan2015 3 103 06jan2015 1 103 13jan2015 2 ; run; write a program to find out missing dates between visits by each subject.
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