R Shell

An interactive R Shell that can be used to execute R commands in the cloud using OpenCPU.

Example:

<RShell
    code="abs(c(-2,3,-1))"
/>

Open interactive preview

Options:

• code | string: R code to be evaluated. Default: ''.
• solution | string: for programming questions, R code string representing the official solution for the problem. Default: ''.
• hints | array: for programming questions, an array of hints providing guidance on how to approach the problem. Default: [].
• addPreceding | boolean: if set to true, the shell will evaluate all the code from the current component and all previous ones occurring in the lesson. Default: false.
• libraries | array: R libraries that should be loaded automatically when the input code is executed. Default: [].
• precompute | boolean: controls whether the default code should be executed once the component has mounted. Default: false.
• prependCode | (string|array): R code string (or array of R code blocks) to be prepended to the code stored in code when evaluating. Default: ''.
• chat | boolean: controls whether group chat functionality should be enabled. Default: false.
• disabled | boolean: controls whether to disable all user inputs and make the code block static. Default: false.
• fontFamily | string: font-family used in the shell window. Default: 'Courier New'.
• fontSize | number: used font size in the shell window. Default: 16.
• lines | number: number of lines to display. Default: 5.
• resettable | boolean: controls whether to display a reset button for restoring the default code input. Default: false.
• style | object: CSS inline styles. Default: {}.
• onEvaluate | function: callback invoked whenever the Evaluate button is clicked. Default: onEvaluate(){}.
• onResult | function: callback invoked whenever the result of a code execution is obtained from the cloud. The result string is passed as the only argument to the callback function. Default: onResult() {}.