> 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/new-columns.md).

# New Columns

- [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