R Programming MCQs MCQ: What will be the output of the following R code? function(p) { params[!fixed] ls(environment(nLL))

What will be the output of the following R code? function(p) { params[!fixed] <- p mu <- params[1] sigma <- params[2] ## Calculate the Normal density a <- -0.5length(data)log(2pisigma^2) b <- -0.5*sum((data-mu)^2) / (sigma^2) -(a + b) } > ls(environment(nLL))

Correct Answer: "data" "fixed" "params"

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What will be the output of the following R code? function(p) { params[!fixed] <- p mu <- params[1] sigma <- params[2] ## Calculate the Normal density a <- -0.5*length(data)*log(2*pi*sigma^2) b <- -0.5*sum((data-mu)^2) / (sigma^2) -(a + b) } > ls(environment(nLL))

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What will be the output of the following R code? function(p) { params[!fixed] <- p mu <- params[1] sigma <- params[2] ## Calculate the Normal density a <- -0.5length(data)log(2pisigma^2) b <- -0.5*sum((data-mu)^2) / (sigma^2) -(a + b) } > ls(environment(nLL))