Description Usage Arguments Details Value Examples
We provide a wrapper function to generate from three data-generating models:
sim_unif
Multivariate uniform distributions
sim_normal
Multivariate normal distributions with intraclass covariance matrices
sim_student
Multivariate Student's t distributions each with a common covariance matrix
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family |
the family of distributions from which to generate data |
... |
optional arguments that are passed to the data-generating function |
For each data-generating model, we generate n_k observations (k =
1, …, K_0) from each of K_0 multivariate distributions so that
the Euclidean distance between each of the population centroids and the
origin is equal and scaled by Δ ≥ 0. For each model, the
argument delta
controls this separation.
This wrapper function is useful for simulation studies, where the efficacy of supervised and unsupervised learning methods and algorithms are evaluated as a the population separation is increased.
named list containing:
A matrix whose rows are the observations generated and whose
columns are the p
features (variables)
A vector denoting the population from which the observation in each row was generated.
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