> For the complete documentation index, see [llms.txt](https://resources.less.tech/less-tech/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://resources.less.tech/less-tech/modelling/action-guides.md).

# Action Guides

- [Basics](https://resources.less.tech/less-tech/modelling/action-guides/basics.md)
- [Input](https://resources.less.tech/less-tech/modelling/action-guides/basics/input.md): Bring data to the Canvas
- [Output](https://resources.less.tech/less-tech/modelling/action-guides/basics/output.md): Store the output of your workflow as a new table
- [Fill](https://resources.less.tech/less-tech/modelling/action-guides/basics/fill.md): Handle nulls or empty cells in your data set
- [Filter](https://resources.less.tech/less-tech/modelling/action-guides/basics/filter.md): Make rules that removes rows
- [Formats](https://resources.less.tech/less-tech/modelling/action-guides/basics/formats.md): Change the data format of columns
- [Limit](https://resources.less.tech/less-tech/modelling/action-guides/basics/limit.md): Reduce the number of rows in your data set
- [Rename](https://resources.less.tech/less-tech/modelling/action-guides/basics/rename.md): Rename your columns
- [Replace](https://resources.less.tech/less-tech/modelling/action-guides/basics/replace.md): Replace text values in one or multiple columns
- [Pick](https://resources.less.tech/less-tech/modelling/action-guides/basics/pick.md): Select the columns you want to keep
- [Sort](https://resources.less.tech/less-tech/modelling/action-guides/basics/sort.md): Sort your data
- [Text Transform](https://resources.less.tech/less-tech/modelling/action-guides/basics/text-transform.md): Change how your text columns looks
- [Unique](https://resources.less.tech/less-tech/modelling/action-guides/basics/unique.md): Remove duplicates
- [New Columns](https://resources.less.tech/less-tech/modelling/action-guides/new-columns.md)
- [Compare](https://resources.less.tech/less-tech/modelling/action-guides/new-columns/compare.md): Move values vertically
- [Cumulative](https://resources.less.tech/less-tech/modelling/action-guides/new-columns/cumulative.md): Perform cumulative calculations
- [Date Difference](https://resources.less.tech/less-tech/modelling/action-guides/new-columns/date-difference.md): Calculate difference in time between two dates
- [Date Format](https://resources.less.tech/less-tech/modelling/action-guides/new-columns/date-format.md): Extract date formats from date
- [Date Math](https://resources.less.tech/less-tech/modelling/action-guides/new-columns/date-math.md): Add or subtract days, seconds or hours from existing date columns
- [Difference](https://resources.less.tech/less-tech/modelling/action-guides/new-columns/difference.md): Vertically calculate the difference between rows
- [Calculate](https://resources.less.tech/less-tech/modelling/action-guides/new-columns/calculate.md): Calculate your way to new columns
- [IF Column](https://resources.less.tech/less-tech/modelling/action-guides/new-columns/if-column.md): Create new columns with conditions
- [Text Column](https://resources.less.tech/less-tech/modelling/action-guides/new-columns/text-column.md): Create new text columns
- [Parse JSON](https://resources.less.tech/less-tech/modelling/action-guides/new-columns/parse-json.md): Convert nested JSON to new columns
- [Row ID](https://resources.less.tech/less-tech/modelling/action-guides/new-columns/row-id.md): Add a Row ID column to your dataset
- [Running Interval](https://resources.less.tech/less-tech/modelling/action-guides/new-columns/running-interval.md): Perform interval calculations
- [Split Columns](https://resources.less.tech/less-tech/modelling/action-guides/new-columns/split-columns.md): Split columns to rows or columns by a delimiter
- [Reshape](https://resources.less.tech/less-tech/modelling/action-guides/reshape.md)
- [Pivot](https://resources.less.tech/less-tech/modelling/action-guides/reshape/pivot.md): Convert rows to columns
- [Group By](https://resources.less.tech/less-tech/modelling/action-guides/reshape/group-by.md): Put data in categories and perform math within groups
- [Transpose](https://resources.less.tech/less-tech/modelling/action-guides/reshape/transpose.md): Turn columns into rows
- [Merge](https://resources.less.tech/less-tech/modelling/action-guides/merge.md)
- [Append](https://resources.less.tech/less-tech/modelling/action-guides/merge/append.md): Add columns from one table to another (cross-join, cartesian join, etc.)
- [Combine](https://resources.less.tech/less-tech/modelling/action-guides/merge/combine.md): Combine two different tables into a unified data set
- [Stack](https://resources.less.tech/less-tech/modelling/action-guides/merge/stack.md): Merge data set by stacking them on top of each other