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One interesting example of knitr is about the Hawaii volcano. This is one example of a volcano in Hawaii :-
Fantastically beautiful Mauna Loa Volcano, Hawaii
One example of inline code
set.seed(1213)
x = cumsum(rnorm(1000))
mean(x)
## [1] 16.74835
Plot of Brownian Motion Here
plot(x, type = 'l')