Shiny 0.13.0

Shiny Gadgets

With Shiny Gadgets, you can use Shiny to create interactive graphical tools that run locally, taking your data as input and returning a result. This means that Shiny isn’t just for creating applications to be delivered over the web – it can also be part of your interactive data analysis toolkit!

Your workflow could, for example, look something like this:

1. At the R console, read in and massage your data.
2. Use a Shiny Gadget’s graphical interface to build a model and tweak model parameters. When finished, the Gadget returns the model object.
3. At the R console, use the model to make predictions.

Here’s a Shiny Gadget in action (code here). This Gadget fits an lm model to a data set, and lets the user interactively exclude data points used to build the model; when finished, it returns the data with points excluded, and the model object:

When used in RStudio, Shiny Gadgets integrate seamlessly, appearing in the Viewer panel, or in a pop-up dialog window. You can even declare your Shiny Gadgets to be RStudio Add-ins, so they can be launched from the RStudio Add-ins menu or a customizable keyboard shortcut.

When used outside of RStudio, Shiny Gadgets have the same functionality – the only differences are that you invoke them by executing their R function, and that they open in a separate browser window.

Best of all, if you know how to write Shiny apps, you’re 90% of the way to writing Gadgets! For the other 10%, …read more

Source:: r-bloggers.com