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.
President James Madison. 1  James was 5 feet 4 inches tall and weighed 100 pounds. 2  Madison and George Washington are the only presidents who signed the Constitution. 3  Both of his vice presidents, George Clinton and Elbridge Gerry, died in office. 4  He never held a job outside of politics. 5  His last words were I talk better lying down..