Displaying 2 results from an estimated 2 matches for "cutid".
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cuid
2018 Feb 08
2
sparse.model.matrix Generates Non-Existent Factor Levels if Ord.factor Columns Present
...ransformed, but the following factors don't. For example:
diamonds <- as.data.frame(ggplot2::diamonds)
> colnames(sparse.model.matrix(~ . -1, diamonds))
[1] "carat" "cutFair" "cutGood" "cutVery Good" "cutPremium" "cutIdeal" "color.L" "color.Q" "color.C" "color^4" "color^5"
[12] "color^6" "clarity.L" "clarity.Q" "clarity.C" "clarity^4" "clarity^5" "...
2018 Feb 08
0
sparse.model.matrix Generates Non-Existent Factor Levels if Ord.factor Columns Present
...following factors don't. For example:
>
> diamonds <- as.data.frame(ggplot2::diamonds)
>> colnames(sparse.model.matrix(~ . -1, diamonds))
> [1] "carat" "cutFair" "cutGood" "cutVery Good" "cutPremium" "cutIdeal" "color.L" "color.Q" "color.C" "color^4" "color^5"
> [12] "color^6" "clarity.L" "clarity.Q" "clarity.C" "clarity^4" "clarity^5" &...