Useful tips for everyday
What is the difference between directed graphs and undirected graphs? Undirected graphs have edges that do not have a direction. The edges indicate a two-way…
Is point estimate the same as interval estimate? A point estimate is a single value estimate of a parameter. An interval estimate gives you a…
How do you propagate uncertainties in calculations? Suppose you have a variable x with uncertainty δx. You want to calculate the uncertainty propagated to Q,…
What is my growth rate? Like any other growth rate calculation, a population’s growth rate can be computed by taking the current population size and…
How do you zoom in on a plot in R? Scroll to zoom in and out. Hold left mouse button to move….Keyboard: Left / Right…
Is random number generator normal distribution? This form allows you to generate random numbers from a Gaussian distribution (also known as a normal distribution). The…
How is the VIX Annualized? VIX values are quoted in percentage points and are supposed to predict the stock price movement in the S&P 500…
How are conditional and joint probabilities related in calculus? By definition, (called the fundamental rulefor probability calculus), they are related in the following way: 2)…
How do I run a multiple regression in R? Steps to apply the multiple linear regression in R Step 1: Collect the data. Step 2:…
How do you find degrees of freedom in statistics? The most commonly encountered equation to determine degrees of freedom in statistics is df = N-1.…