Note:
pA is the proportion of authoritarian regimes
N is the total number of observations
nAD is the number of transitions from authoritarianism to democracy
NA is the number of observations of authoritarian regimes
pAD is the probability of transition from authoritarianism to democracy
nDA is the number of transitions from democracy to authoritarianism
ND is the number of observations of democratic regimes
pDA is the probability of transition from democracy to authoritarianism