[#6580] sparse model.Matrix doesn't produce correct names for terms with > 1 df

Date:
2018-05-02 20:10 Priority:
3

State:
Open

Submitted by:
Vitalie Spinu (spinuvit) Assigned to:
Nobody (None)

Hardware:
PC Product:
None

Operating System:
Linux Component:
None

Version:
None Severity:
None

Resolution:
None

URL:

Summary:
sparse model.Matrix doesn't produce correct names for terms with > 1 df

Detailed description
For sparse output colnames are wrong: > colnames(model.Matrix(speed ~ ns(dist, 4) + poly(dist, 2), data = cars, sparse = T)) [1] "(Intercept)" "1" "2" "3" "4" [6] "1" "2" > colnames(model.Matrix(speed ~ ns(dist, 4) + poly(dist, 2), data = cars, sparse = F)) [1] "(Intercept)" "ns(dist, 4)1" "ns(dist, 4)2" "ns(dist, 4)3" [5] "ns(dist, 4)4" "poly(dist, 2)1" "poly(dist, 2)2" This is with MatrixModels * 0.4-1 2015-08-22 CRAN (R 3.4.4)

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