Roosevelt,Truman,Eisenhower,Johnson,Nixon,Reagan,Clinton,BushII all had plenty of time to plan for 2nd term.
Of course so did Ford, Carter and Bush I.
There may not be enough samples to get a good p-value, but more often than not the recipe of "just don't mess up too bad" gets a another term for a sitting President.
Roosevelt,Truman,Eisenhower,Johnson,Nixon,Reagan,Clinton,BushII all had plenty of time to plan for 2nd term.
Of course so did Ford, Carter and Bush I.
There may not be enough samples to get a good p-value, but more often than not the recipe of "just don't mess up too bad" gets a another term for a sitting President.