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.
Bill Clinton. George W. Bush. Theodore Roosevelt became the 26th US President (1901-1909) after the assassination of President William McKinley. Nicknamed Teddy, he was one of the most popular and important Presidents ever to serve in the Chief Executive Office.eorge W. Bush. Theodore Roosevelt became the 26th US President (1901-1909) after the assassination of President William McKinley. Nicknamed Teddy, he was one of the most popular and important Presidents ever to serve in the Chief Executive Office.