What is the difference between verification and validation?
Answers were Sorted based on User's Feedback
Answer / sunil
verification is to ensure the accuracy and the quality of
SAS programs that generated the final tables according to
the instructions in the SOP and the SAP.
validation is to ensure that the logic and intent of the
program is correct and that data errors are detected.
Is This Answer Correct ? | 7 Yes | 1 No |
Answer / vsrao
verification is nothing but are we building the product
right?
validation means r we building the right product?
(the system should do what the user really requires.
Is This Answer Correct ? | 7 Yes | 2 No |
Answer / kumaraswamy maduri
Verification: It means to check whether things are going on
as per the given input and specifications.
Validation: To test the product whether it works in
functional manner.
Is This Answer Correct ? | 5 Yes | 0 No |
Answer / jbr
Verification is in programming level and Validation is output level.
Is This Answer Correct ? | 1 Yes | 0 No |
Answer / shahena parvin munni
Verification means to checking that data is correctly
transformed into computer from the format. and validation
means to check the entered data is correct.
Is This Answer Correct ? | 1 Yes | 0 No |
Answer / ali
Validation is nothing but to find out the error in the data.
Varification ???
Is This Answer Correct ? | 4 Yes | 5 No |
Answer / sandave003
verification means , checking for errors if any.
and
validation means, proving the dataset is genuine or simply
athenticating the dataset.
Is This Answer Correct ? | 1 Yes | 3 No |
Answer / chiranjeevi
verification is nothing but cheking the missvalues(null),any
special characters and errors in ihe dataset.
validation is nothing but enables you to check the syntax of
a querry.
where statement is using in validation.
Is This Answer Correct ? | 1 Yes | 3 No |
Answer / sas
Verifcation is noting bus checking the data if having any missing values or invalid data.
validation means checking the data the we got is valid or not by using the sas (ex-obs,firstobs);
Is This Answer Correct ? | 0 Yes | 4 No |
How would you determine how far down on a page you have printed in order to print out footnotes?
What are the data types does SAS contain?
There are 200 observations in a dataset, i want to pull out the observation no's 100, 150,180,190 by using Proc SQL? How you can get it?
how can u create zero observation dataset?
what is the difference between proc means and proc summary?
What is the difference between Proc tabulate and Proc print
Does SAS ?Translate? (compile) or does it ?Interpret?? Explain.
Do you need to compute new variables? If so,should you do this before you execute the report-writing procedure?
When looking for data contained in a character string of 150 bytes, which function is the best to locate that data: scan, index, or indexc?
what is the purpose of _error_? : Sas programming
what is the difference between floor and ceil functions in sas? : Sas-administrator
Code the MEANS to produce output to be used later.