# Where to go next

After the introductory tutorials, follow the [user guide](../user_guide/index.md)
through a complete measurement or choose the topic that answers your next
question.

| What you want to do | Read | Explore |
|---|---|---|
| Understand what a FROG trace measures | [Measurement fundamentals](../user_guide/fundamentals.md) | [First retrieval](../tutorials/01_first_retrieval.md) |
| Prepare a measured or simulated trace | [Preparing and checking data](../user_guide/data.md) | [Data preparation examples](../examples/index.md#preparing-data) |
| Decide which instrument effects to include | [Modelling the measurement](../user_guide/models.md) | [Instrument examples](../examples/index.md#instrument-effects-and-validation) |
| Choose and configure a retrieval | [Retrieval and numerical methods](../user_guide/retrieval.md) | [Algorithm comparison](../tutorials/02_choosing_an_algorithm.md) |
| Interpret a retrieved pulse | [Interpreting results](../user_guide/results.md) | [Pulse analysis examples](../examples/index.md#analysing-and-transforming-pulses) |
| Estimate an uncertainty | [Uncertainty](../user_guide/uncertainty.md) | [Thickness uncertainty](../examples/index.md#thickness-uncertainty) |
| Repeat or share an analysis | [Reproducible workflows](../user_guide/workflows.md) | [Experimental workflow](../tutorials/04_experimental_workflow.md) |

The [glossary](../reference/glossary.md) collects terminology and notation.
The [references](../reference/bibliography.md) provide further reading, and the
[API](../reference/api/index.md) documents the Python interfaces. To work on
croak itself, start with the [developer's guide](../developer_guide/index.md).