Mr responses are given in bold below.
1.edit existing rows or columns values in the dataset within Tableau desktop - No
2.edit display values in dashboard before and after publishing dahsboard either in Tableau server or tableau online - No
3. create new records in the dataset inside Tableau - No
4.extracting data(Columns) with calculated (sum/running sum of field X) from tableau
->here I have a problem saying, It cannot display the agg. values and all the values are showing as undefined - Please attach your packaged workbook so that someone can see and suggest an appropriate solution.
Tableau is a visualization tool - not designed to "edit" data - if you have data that needs to be changed either do it before you import it into Tableau or consider using Tableau Prep - Prep has some editing capability in addition being able to restructure, aggregate, combine, and pivot data
If this posts assists in resolving the question, please mark it helpful or as the 'correct answer' if it resolves the question. This will help other users find the same answer/resolution. Thank you.