cubicBsplines

Computation of a Cubic B-Spline Basis and Its Derivatives

CRAN Package

Computation of a cubic B-spline basis for arbitrary knots. It also provides the 1st and 2nd derivatives, as well as the integral of the basis elements. It is used by the author to fit penalized B-spline models, see e.g. Jullion, A. and Lambert, P. (2006) doi:10.1016/j.csda.2006.09.027, Lambert, P. and Eilers, P.H.C. (2009) doi:10.1016/j.csda.2008.11.022 and, more recently, Lambert, P. (2021) doi:10.1016/j.csda.2021.107250. It is inspired by the algorithm developed by de Boor, C. (1977) doi:10.1137/0714026.


Documentation


Team


Insights

Last 30 days

This package has been downloaded 196 times in the last 30 days. Now we're getting somewhere! Enough downloads to populate a lively group chat. The following heatmap shows the distribution of downloads per day. Yesterday, it was downloaded 3 times.

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0 downloadsMar 2, 2025
0 downloadsMar 3, 2025
19 downloadsMar 4, 2025
4 downloadsMar 5, 2025
4 downloadsMar 6, 2025
5 downloadsMar 7, 2025
8 downloadsMar 8, 2025
0 downloadsMar 9, 2025
4 downloadsMar 10, 2025
8 downloadsMar 11, 2025
5 downloadsMar 12, 2025
15 downloadsMar 13, 2025
2 downloadsMar 14, 2025
6 downloadsMar 15, 2025
4 downloadsMar 16, 2025
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6 downloadsMar 18, 2025
6 downloadsMar 19, 2025
11 downloadsMar 20, 2025
9 downloadsMar 21, 2025
4 downloadsMar 22, 2025
5 downloadsMar 23, 2025
14 downloadsMar 24, 2025
2 downloadsMar 25, 2025
1 downloadsMar 26, 2025
5 downloadsMar 27, 2025
8 downloadsMar 28, 2025
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6 downloadsMar 30, 2025
1 downloadsMar 31, 2025
13 downloadsApr 1, 2025
3 downloadsApr 2, 2025
0 downloadsApr 3, 2025
0 downloadsApr 4, 2025
0 downloadsApr 5, 2025
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19

The following line graph shows the downloads per day. You can hover over the graph to see the exact number of downloads per day.

Last 365 days

This package has been downloaded 2,653 times in the last 365 days. Consider this 'mid-tier influencer' status—if it were a TikTok, it would get a nod from nieces and nephews. The day with the most downloads was Sep 11, 2024 with 32 downloads.

The following line graph shows the downloads per day. You can hover over the graph to see the exact number of downloads per day.

Data provided by CRAN


Binaries


Dependencies

  • Reverse Imports3 packages