S language the notation is as follows<br><br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;r &lt;- R(x0, x1)<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br>Where the first argument must be a variable in the model defined by a univariate distribution and the second argument is a scalar. The first argument provides two kinds of information: which<br>distribution to calculate the reliability function for and the values of its parameters 
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