The plot function in R version 3.2.4 Revised is not working -

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the plot function in r version 3.2.4 revised not working, example below.

> <- c(1, 2, 3, 4)  > plot(i) no protocol specified no protocol specified error in .external2(c_x11, d$display, d$width, d$height, d$pointsize,  :    unable start device x11cairo in addition: warning message: in (function (display = "", width, height, pointsize, gamma, bg,  :   unable open connection x11 display ''

can me can solve problem? appreciate help.


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