search for: sigmamu

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2006 Nov 01
1
Fitting mean and covariance of Multivariate normal with censored data
Hello, I have been googling for 2 days and I cannot find the answer in previous posts. I have a set of d-dimensional data elements (d=11 .. 14), each data point can be censored at different values both Lower-limit and upper limit. N = 2000 sets of vectors of D=11 data points per vector. Each of the N*D points can have different upper and lower limits. I "simply" want to fit a
2014 Sep 18
0
"no visible global function definition" using R-Devel check utility
...ng note: . assetsMeanCov: no visible binding for global variable 'scaleTau2' . I'll try to explain why with a minimal example. Let's have a look at the following function: assetsMeanCov <- function(x, method = c("cov", "MCD", "OGK"), alpha = 1/2, sigmamu = scaleTau2, ...) { if (method == "cov") {cov(x, ...)} if (method == " MCD") {robustbase::covMcd(x, alpha = alpha, ...)} if (method == " OGK") {robustbase::covOGK(x, sigmamu = substitute(sigmamu), ...)} } where robustbase is mentioned under "Suggests:&qu...