It does matter, because if it were log base 10, it would imply that the yield of the fields in 1982 varied approximately a factor of 30, which I would have trouble believing. But with the natural logarithm, it is only roughly a factor of four, which is much more reasonable.
It does matter, because if it were log base 10, it would imply that the yield of the fields in 1982 varied approximately a factor of 30, which I would have trouble believing. But with the natural logarithm, it is only roughly a factor of four, which is much more reasonable.