Tutorials

This section contains tutorials for common things you might want to do using the code. If you think of something which is missing please open an issue or, better still, a pull request (see Adding to the Documentation and Reviewing pull requests).

Running fits

• How to run a PDF fit
• How to run an iterated fit
• Including a general theory covariance matrix in a fit
• How to include a theory covariance matrix in a fit

Analysing results

• How to compare two fits
• How to generate a report
• How to plot PDFs, distances and luminosities
• Plotting non-trivial combinations of PDFs
• How to do a data theory comparison
• Interpreting the \(\mathcal{R}_O\) overfit metric

Adding new data

• How to implement a new experiment in buildmaster
• How to generate APPLgrid and FastNLO tables
• How to benchmark and store APPLgrid/FastNLO tables
• How to generate and implement FK tables

Closure tests

• How to run a closure test
• How to analyse a closure test

Special PDF sets

• How to reproduce an NNPDF4.0 fit
• Bundle PDFs with \(\alpha_s\) replicas
• How to transform a Monte Carlo PDF set into a Hessian PDF set
• How to create PDF sets with flavor-number variations

Miscellaneous

• How to list the available resources
• Obtaining the pseudodata used by an n3fit fit
• How to add a new type of plot or table in validphys
• How to add a new metadata group
• How to build conda-packages
• How to run a Future Test