paste column values to another column <p>I have a simple questions that possibly can be solved with <code>paste</code> My data frame looks like this:</p> <pre><code>x&lt;-c(3,6,7) y&lt;-c(0.25,0.35,0.62) dta1&lt;-data.frame(x,y) x y 1 3 0.25 2 6 0.35 3 7 0.62 </code></pre> <p>I want to paste these values together in one column. And add or remove some characters at the same time. it will looks like this :</p> <pre><code> x 1 3(.25) 2 6(.35) 3 7(.62) </code></pre>