Data Visualization Basics

Kameerath Kareem describes a few basic visualizations and explains when you might use them:

Cumulative distribution graph is a commonly used chart type to express the performance metrics in percentile; it plots the percent of users who had performance metric greater or lesser than the threshold for the website.

The graph below shows the CDF graph for web page response time

From the CDF graph above, we see that at the 90th percentile, the web page response time of a website is 10.3 seconds. This means that 10% of the users in the time frame that the data was collected in had an overall web page load time of more than 10.3 seconds.

These are metrics as they relate to systems operations, but the general rules apply elsewhere as well.  Also, 10.3 seconds to load a webpage seems…slow.

Related Posts

WVPlots

Nina Zumel announces a new version of WVPlots on CRAN: WVPlots was originally a catch-all package of ggplot2 visualizations that we at Win-Vector tended to use repeatedly, and wanted to turn into “one-liners.” A consequence of this is that the older visualizations had our preferred color schemes hard-coded in. More recent additions to the package sometimes had palette […]

Read More

NFL Passer Dashboard

Rob Collie has a new dashboard for you: So I’ll just leave these here.  Yes, these images are all Power BI.  They are all clickable links to interactive pages. It’s fun to click through and gives you some ideas of what Power BI can do.

Read More

Categories

June 2017
MTWTFSS
« May Jul »
 1234
567891011
12131415161718
19202122232425
2627282930