BaFe2As2 | R Documentation |
This dataset contains the results of a neutron diffraction experiment on
Barium-Ferrum-Arsenide (\mathrm{Ba Fe_2 As_2}
) powder carried out by
Kimber et al. (2009) and used in Kaishev et al. (2016). The neutron
diffraction intensity was measured at 1,151 different dispersion angles in
order to model the diffraction profile.
data(BaFe2As2)
A data.frame
with 1151 cases and 2 variables:
angle: the dispersion angle, viewed as the independent variable.
intensity: the neutron diffraction intensity, viewed as the response variable.
Kimber, S.A.J., Kreyssig, A., Zhang, Y.Z., Jeschke, H.O., Valenti, R.,
Yokaichiya, F., Colombier, E., Yan, J., Hansen, T.C., Chatterji, T.,
McQueeney, R.J., Canfield, P.C., Goldman, A.I. and Argyriou, D.N. (2009).
Similarities between structural distortions under pressure and chemical
doping in superconducting \mathrm{Ba Fe_2 As_2}
. Nat Mater,
8, 471–475.
Kaishev, V.K., Dimitrova, D.S., Haberman, S. and Verrall, R.J. (2016).
Geometrically designed, variable knot regression splines.
Computational Statistics, 31, 1079–1105.
DOI: \Sexpr[results=rd]{tools:::Rd_expr_doi("10.1007/s00180-015-0621-7")}
## Not run:
# to load the data
data('BaFe2As2')
# fit a GeDS regression and produce a simple plot of the result. See ?NGeDS
# c.f. Kaishev et al. (2016), section 4.2
(Gmod <- NGeDS(intensity ~ f(angle), data = BaFe2As2, beta = 0.6, phi = 0.99,
q = 3, show.iters = T))
plot(Gmod)
## End(Not run)
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