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Snack wrappers and noisy parents: Being a virtual intern during COVID-19
I was supposed to be behind a desk downing M&M’s and enjoying the SAS campus and all its glory. But instead, I’m working from home as an external communications intern. Working from home has been a blessing filled with challenges I never thought I’d experience this summer. The first one
How to evaluate the multivariate normal log likelihood
The multivariate normal distribution is used frequently in multivariate statistics and machine learning. In many applications, you need to evaluate the log-likelihood function in order to compare how well different models fit the data. The log-likelihood for a vector x is the natural logarithm of the multivariate normal (MVN) density