The Bioinformatics Core at the UC Davis Genome Center has all the Documentation for the workshops and courses, past and current, available on the bioinformatics training program GitHub page. The Genome Center Event Registration offers the same material in a different listing order based on the date.
Most of the material is available as Github repositories that are also deployed as web sites.
The depository page is at https://github.com/ucdavis-bioinformatics-training and currently has 83 entries.
This is an good resources for self-learners
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