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Linear regression model interval-valued data example.
data(int_prost_test)
An object of class symbolic_tbl (inherits from tbl_df, tbl, data.frame) with 30 rows and 9 columns.
symbolic_tbl
tbl_df
tbl
data.frame
HASTIE, T., TIBSHIRANI, R. and FRIEDMAN, J. (2008). The Elements of Statistical Learning: Data Mining, Inference and Prediction. New York: Springer.