Useful tips for everyday
Why do we add to the unnormalized log posterior? We do this because adding to the unnormalized log posterior means to multiply a term in…
Which is better likelihood ratio or Wald test? Usually the Wald, likelihood ratio, and score tests are covered. In this post I’m going to revise…
What is the arrival distribution? Arrival distribution represents the customers arrival into your system. In most queuing system, at a given period of observation time,…
What is the difference between on policy and off-policy learning? The difference is this: In on-policy learning, the Q(s,a) function is learned from actions that…
Is negative binomial same as Poisson? The Poisson distribution can be considered to be a special case of the negative binomial distribution. The negative binomial…
How do you conduct a sensitivity analysis? To perform sensitivity analysis, we follow these steps: Define the base case of the model; Calculate the output…
What does Z sub alpha mean? Remember, a z-score is a measure of how many standard deviations a data point is away from the mean.…
How do you write a null hypothesis for a regression analysis? For simple linear regression, the chief null hypothesis is H0 : β1 = 0,…
Which is the best definition of a test statistic? Revised on January 7, 2021. The test statistic is a number calculated from a statistical test…
How do you calculate estimated probability? To work out the probability of your chosen category, you divide the total number of tally marks in your…