# When do I use “Replication data for: [journal article’s title]” in the title of my dataset deposited in DR-NTU (Data)?
**Source**: https://libfaq.ntu.edu.sg/faq/261404
**Parent**: https://libguides.ntu.edu.sg/drntudataguidespolicies/depositor
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We recommend that you use "Replication data for:" only when you have **sufficient data documentation** that facilitate others to replicate your experiments to derive the same findings as reported in your journal paper. Otherwise, please use “Related data for: [journal article’s title]”.
As described in [Replication Guidelines](http://best-practices.dataverse.org/replication.html) in [Dataverse Project](https://dataverse.org/) website, **sufficient data documentation** is characterized as lists of code, scripts, documents and data files that are needed in order to make replication possible. Examples are:
- For Astronomy/Astrophysics: FITS files with image metadata stored in a human-readable ASCII header.
- For the Social Sciences: Original SPSS, STATA, R files, csv, xslx, etc with variable names and description.
- Sets of computer program recodes (if needed).
- Program commands, code or script for analysis (if needed).
- Extracts of existing publicly available data (or very clear directions for how to obtain exactly the same ones you used).
- Documentation files (full set of supporting documentation), such as:
- Codebook
- Data dictionary
- Manual/protocol
- Field notes
- Lay summary
- Readme file
- Webpage
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