bardet | R Documentation |
Gene expression data (20 genes for 120 samples) from the microarray experiments of mammalian eye tissue samples of Scheetz et al. (2006).
bardet
An object of class list
of length 2.
This data set contains 120 samples with 100 predictors (expanded from 20 genes using 5 basis B-splines, as described in Yang, Y. and Zou, H. (2015)).
A list with the following elements:
x |
a [120 x 100] matrix (expanded from a [120 x 20] matrix) giving the expression levels of 20 filtered genes for the 120 samples. Each row corresponds to a subject, each 5 consecutive columns to a grouped gene. |
y |
a numeric vector of length 120 giving expression level of gene TRIM32, which causes Bardet-Biedl syndrome. |
Scheetz, T., Kim, K., Swiderski, R., Philp, A., Braun, T.,
Knudtson, K., Dorrance, A., DiBona, G., Huang, J., Casavant, T. et al.
(2006), “Regulation of gene expression in the mammalian eye and its
relevance to eye disease”, Proceedings of the National Academy of
Sciences 103(39), 14429-14434.
Huang, J., S. Ma, and C.-H. Zhang (2008). “Adaptive Lasso for sparse
high-dimensional regression models”. Statistica Sinica 18,
1603-1618.
Yang, Y. and Zou, H. (2015), “A Fast Unified Algorithm for Computing
Group-Lasso Penalized Learning Problems,” Statistics and Computing.
25(6), 1129-1141.
BugReport: https://github.com/emeryyi/gglasso
# load gglasso library
library(gglasso)
# load data set
data(bardet)
# how many samples and how many predictors ?
dim(bardet$x)
# repsonse y
bardet$y
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