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sparse.model.matrix Generates Non-Existent Factor Levels if Ord.factor Columns Present
2018 Feb 08
2
sparse.model.matrix Generates Non-Existent Factor Levels if Ord.factor Columns Present
...eal" "cutPremium" "cutVery Good" "colorE" "colorF" "colorG" "colorH" [11] "colorI" "colorJ" "clarityIF" "claritySI1" "claritySI2" "clarityVS1" "clarityVS2" "clarityVVS1" "clarityVVS2" "depth" [21] "table" "price" "x" "y" "z" Can it be made to work correctly for both plain and ordered factors? &...
sparse.model.matrix Generates Non-Existent Factor Levels if Ord.factor Columns Present
2018 Feb 08
0
sparse.model.matrix Generates Non-Existent Factor Levels if Ord.factor Columns Present
...uot; "cutPremium" "cutVery Good" "colorE" "colorF" "colorG" "colorH" > [11] "colorI" "colorJ" "clarityIF" "claritySI1" "claritySI2" "clarityVS1" "clarityVS2" "clarityVVS1" "clarityVVS2" "depth" > [21] "table" "price" "x" "y" "z" > > Can it be made to work correctly for both plain and orde...