> For the complete documentation index, see [llms.txt](https://sandyzeng.gitbook.io/kql/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://sandyzeng.gitbook.io/kql/kql-quick-guide/need-to-learn-later.md).

# Need to learn later 🐢

- [scan](https://sandyzeng.gitbook.io/kql/kql-quick-guide/need-to-learn-later/scan.md)
- [ExtractParseParse-kv-Tabular](https://sandyzeng.gitbook.io/kql/kql-quick-guide/need-to-learn-later/extractparseparse-kv-tabular.md)
- [decode](https://sandyzeng.gitbook.io/kql/kql-quick-guide/need-to-learn-later/decode.md)
- [mv-apply](https://sandyzeng.gitbook.io/kql/kql-quick-guide/need-to-learn-later/mv-apply.md)
- [prev and next](https://sandyzeng.gitbook.io/kql/kql-quick-guide/need-to-learn-later/prev-and-next.md)
- [row\_cumsum](https://sandyzeng.gitbook.io/kql/kql-quick-guide/need-to-learn-later/row_cumsum.md)
- [any](https://sandyzeng.gitbook.io/kql/kql-quick-guide/need-to-learn-later/any.md)
- [top-nested](https://sandyzeng.gitbook.io/kql/kql-quick-guide/need-to-learn-later/top-nested.md)
- [Time Series](https://sandyzeng.gitbook.io/kql/kql-quick-guide/need-to-learn-later/time-series.md)
- [series\_stats](https://sandyzeng.gitbook.io/kql/kql-quick-guide/need-to-learn-later/time-series/series_stats.md)
- [series\_fir](https://sandyzeng.gitbook.io/kql/kql-quick-guide/need-to-learn-later/time-series/series_fir.md)
- [series\_iir](https://sandyzeng.gitbook.io/kql/kql-quick-guide/need-to-learn-later/time-series/series_iir.md)
- [series\_fit\_line](https://sandyzeng.gitbook.io/kql/kql-quick-guide/need-to-learn-later/time-series/series_fit_line.md)
- [series\_fit\_2lines](https://sandyzeng.gitbook.io/kql/kql-quick-guide/need-to-learn-later/time-series/series_fit_2lines.md)
- [Machine Learning](https://sandyzeng.gitbook.io/kql/kql-quick-guide/need-to-learn-later/machine-learning.md)
- [basket](https://sandyzeng.gitbook.io/kql/kql-quick-guide/need-to-learn-later/machine-learning/basket.md)
- [autocluster](https://sandyzeng.gitbook.io/kql/kql-quick-guide/need-to-learn-later/machine-learning/autocluster.md)
- [diffpatterns](https://sandyzeng.gitbook.io/kql/kql-quick-guide/need-to-learn-later/machine-learning/diffpatterns.md)
- [reduce](https://sandyzeng.gitbook.io/kql/kql-quick-guide/need-to-learn-later/machine-learning/reduce.md)