Being PC: Principal Components and Dark Energy Export

@article{citeulike:3782816, abstract = {Principal component analysis is considered as an addition to the well-tested parametrization w(a)=w\_0+w\_a(1-a) for the dark energy equation of state. This brief note cautions against some unjustified assumptions in interpretation of PCA calculations, giving quantified examples.}, archivePrefix = {arXiv}, author = {de Putter, Roland and Linder, Eric V.}, citeulike-article-id = {3782816}, citeulike-linkout-0 = {http://arxiv.org/abs/0812.1794}, citeulike-linkout-1 = {http://arxiv.org/pdf/0812.1794}, day = {9}, eprint = {0812.1794}, keywords = {dark, energy, pca}, month = {Dec}, posted-at = {2008-12-12 15:47:17}, priority = {2}, title = {Being PC: Principal Components and Dark Energy}, url = {http://arxiv.org/abs/0812.1794}, year = {2008} }

TY - JOUR ID - citeulike:3782816 L3 - citeulike-article-id:3782816 N2 - Principal component analysis is considered as an addition to the well-tested parametrization w(a)=w_0+w_a(1-a) for the dark energy equation of state. This brief note cautions against some unjustified assumptions in interpretation of PCA calculations, giving quantified examples. TI - Being PC: Principal Components and Dark Energy KW - dark KW - energy KW - pca AU - de Putter, Roland AU - Linder, Eric PY - 2008/Dec/09/ UR - http://arxiv.org/abs/0812.1794 ER -