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.
The 1996 U.S. Surgeon General's Report on Physical Activity and Health is a landmark document that emphasizes the important link between physical fitness and American health. The components of skill-related fitness include agility, balance, coordination, power, speed and reaction time.