---
isPrivate: true
title: Graphing FAQ
description: Datadog, the leading service for cloud-scale monitoring.
breadcrumbs: Docs > Dashboards > Graphing FAQ
---

# Graphing FAQ

- [How to Merge Screenboards ?](https://github.com/DataDog/Miscellany/tree/master/merge_screenboards)
- [How can I graph the percentage change between an earlier value and a current value?](https://docs.datadoghq.com/dashboards/faq/how-can-i-graph-the-percentage-change-between-an-earlier-value-and-a-current-value)
- [There are too many lines on my graph, can I only display the most important ones?](https://docs.datadoghq.com/dashboards/faq/there-are-too-many-lines-on-my-graph-can-i-only-display-the-most-important-ones)
- [What is the granularity of my graphs? Am I seeing raw data or aggregates on my graph?](https://docs.datadoghq.com/dashboards/faq/what-is-the-granularity-of-my-graphs-am-i-seeing-raw-data-or-aggregates-on-my-graph)
- [How can I graph host uptime percentage?](https://docs.datadoghq.com/dashboards/faq/how-can-i-graph-host-uptime-percentage)
- [Why does zooming out a timeframe also smooth out my graphs?](https://docs.datadoghq.com/dashboards/faq/why-does-zooming-out-a-timeframe-also-smooth-out-my-graphs)
- [The same color is used twice in my graph!](https://docs.datadoghq.com/dashboards/faq/the-same-color-is-used-twice-in-my-graph)
- [Historical Data](https://docs.datadoghq.com/dashboards/faq/historical-data)