We first define the function as a variable, myFirstFun, using the keyword function, which also receives n as argument (no type specification). The latter will exist within the function. We used an integer, but 'n' could also be a vector or a matrix or a string: R handles all this nicely for us.
America in the 20th Century. The 20th century heralded the beginning of a new era in fitness. President Theodore Roosevelt, perhaps the most physically fit president ever to occupy the Oval Office, used his power and own example to encourage U.S. citizens to be physically active.
William McKinley, Jr. was the 25th President of the United States of America, serving from 1897 until 1901 as a Republican.In Congress he was a foremost advocate of high tariffs on imported goods that would encourage industry and protect high wages from cheap competition.illiam McKinley, Jr. was the 25th President of the United States of America, serving from 1897 until 1901 as a Republican.