# How To’s

Below we provide a few examples for using SModelS and some of the SModelS tools as a Python library 1.

## To try out the examples in interactive mode:

## Main examples:

How to run SModelS using a parameter file (download the Python code

`here`

, IPython notebook`here`

)How to run SModelS as a python library (download the Python code

`here`

, IPython notebook`here`

)

## Examples displaying several functionalities:

How to load the database (download the Python code

`here`

, IPython notebook`here`

)How to obtain experimental upper limits (download the Python code

`here`

, IPython notebook`here`

)How to obtain experimental efficiencies (download the Python code

`here`

, IPython notebook`here`

)How to print decomposition results (download the Python code

`here`

, IPython notebook`here`

)How to print theory predictions (download the Python code

`here`

, IPython notebook`here`

)How to compare theory predictions with experimental limits (download the Python code

`here`

, IPython notebook`here`

)How to use a LHE input including width information (download the Python code

`here`

, IPython notebook`here`

)How to compute the likelihood and chi2 for a theory predictions (download the Python code

`here`

, IPython notebook`here`

)How to find missing topologies (download the Python code

`here`

, IPython notebook`here`

)How to generate ascii graphs (download the Python code

`here`

, IPython notebook`here`

)How to plot likelihoods from analysis combinations (download the Python code

`here`

, IPython notebook`here`

)How to use a combinations matrix (download the Python code

`here`

, IPython notebook`here`

)

## Examples using the cross-section computer:

How to compute leading order cross sections (for MSSM) (download the Python code

`here`

, IPython notebook`here`

)How to compute next-to-leading order cross sections (for MSSM) (download the Python code

`here`

, IPython notebook`here`

)

## Examples using the Database Browser

How to obtain upper limits (download the Python code

`here`

, IPython notebook`here`

)How to select specific results (download the Python code

`here`

, IPython notebook`here`

)

## Examples using the Interactive Plots tool

How to make interactive plots (download the Python code

`here`

, IPython notebook`here`

)

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Some of the output may change depending on the database version used.