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187 results for “Multivariate analysis”
Figure 9 in A multivariate morphometric analysis and systematic review of Pseudonaja (Serpentes, Elapidae, Hydrophiinae)
Figure 9. Plot of scores for first and second canonical roots extracted in a discriminant function analysis including male P. affinis, P. inframacula and P. textilis clade group specimens.
Figure 13 in A multivariate morphometric analysis and systematic review of Pseudonaja (Serpentes, Elapidae, Hydrophiinae)
Figure 13. Geographical distribution of Pseudonaja inframacula specimens examined in this study (closed circles) and/or included in Skinner et al.'s (2005) phylogenetic analysis (open circles represent specimens not included in the morphometric analyses). Codes for geographical groups correspond with those in Table 2.
Figure 12 in A multivariate morphometric analysis and systematic review of Pseudonaja (Serpentes, Elapidae, Hydrophiinae)
Figure 12. Pseudonaja inframacula (SAMA R38606), ventrolateral perspective of midbody illustrating contrasting sectorial markings on ventrals laterally.
Figure 16 in A multivariate morphometric analysis and systematic review of Pseudonaja (Serpentes, Elapidae, Hydrophiinae)
Figure 16. Geographical distribution of Pseudonaja textilis specimens examined in this study (closed circles) and/or included in Skinner et al.'s (2005) phylogenetic analysis (open circles represent specimens not included in the morphometric analyses). Skinner et al.'s (2005) analysis also included two specimens from Merauke, West Papua (not shown). Codes for geographical groups correspond with those in Table 2.
Figure 18 in A multivariate analysis of the fringe-toed lizards of the Acanthodactylus scutellatus group (Squamata: Lacertidae): systematic and biogeographical implications
Figure 18. Geographical distribution of Acanthodactylus dumerili. Dotted lines indicate the approximate limits of the distribution of Acanthodactylus scutellatus in the Sahara. Data from Salvador (1982), Bons & Geniez (1996), Nouïra (1996), this study.
Figure 16 in A multivariate analysis of the fringe-toed lizards of the Acanthodactylus scutellatus group (Squamata: Lacertidae): systematic and biogeographical implications
Figure 16. (a) Acanthodactylus scutellatus audouini, male, paralectotype of Acanthodactylus scutellatus var. audouini, BMNH 97.10.28.316, Wadi Halfa (Egypt), close-up of dorsal scales. (b) A. senegalensis, male, EPHE Mch1, coast north of Dakar (Senegal), close-up of dorsal scales. (c) A. dumerili, male, MNHN 1997.3764, Blaouakh (Mauritania), close-up of dorsal scales. (d) A. longipes, male, EPHE AF4, Akreïdil, 50 km NE of Nouakchott (Mauritania), close-up of dorsal scales.
Figure 15 in A multivariate analysis of the fringe-toed lizards of the Acanthodactylus scutellatus group (Squamata: Lacertidae): systematic and biogeographical implications
Figure 15. Snout-vent length of females in our samples of continental Sahara Acanthodactylus dumerili and A. scutellatus audouini.
Figure 19 in A multivariate analysis of the fringe-toed lizards of the Acanthodactylus scutellatus group (Squamata: Lacertidae): systematic and biogeographical implications
Figure 19. Geographical distribution of Acanthodactylus longipes. Data from Salvador (1982), Baha El Din (1994), Bons & Geniez (1996), Nouïra (1996), this study.
Figure 10 in A multivariate analysis of the fringe-toed lizards of the Acanthodactylus scutellatus group (Squamata: Lacertidae): systematic and biogeographical implications
Figure 10. Bivariate plot of PC3 and PC4 scores generated by a PCA run on all adult specimens of Acanthodactylus aureus and A. taghitensis (males and females together) using the same 12 variables as in the other PCAs.
Figure 8 in A multivariate analysis of the fringe-toed lizards of the Acanthodactylus scutellatus group (Squamata: Lacertidae): systematic and biogeographical implications
Figure 8. Number of longitudinal rows of dorsal scales at mid-body for different geographical samples of Acanthodactylus dumerili.
Figure 12 in A multivariate analysis of the fringe-toed lizards of the Acanthodactylus scutellatus group (Squamata: Lacertidae): systematic and biogeographical implications
Figure 12. (a) Acanthodactylus senegalensis, male (above), MNHN 1997.4688, female (below), MNHN 1997.4659. Both from Tamzakt camp (Mauritania). (b) A. dumerili, from left to right male, MNHN 1997.3764, male MNHN 1997.3774, male MNHN 1997.3763, female MNHN 1997.3769, female MNHN 1997.3777, all from Blaouakh (Mauritania). (c) A. dumerili, male, PHG 48, Douz (Tunisia), picture by V. Rufray. (d) A. dumerili, female, PHG 3, 12 km from Mecissi toward Rissani (Morocco), picture by P. Geniez.
Figure 4 in A multivariate analysis of the fringe-toed lizards of the Acanthodactylus scutellatus group (Squamata: Lacertidae): systematic and biogeographical implications
Figure 4. Bivariate plot of PC1 and PC2 scores generated by a PCA run on all adult specimens of (following Salvador's 1982 classification) Acanthodactylus dumerili and Acanthodactylus scutellatus. The specimen marked 'd' is the holotype of dumerili, the specimen marked 's' the holotype of senegalensis.
Figure 21 in A multivariate analysis of the fringe-toed lizards of the Acanthodactylus scutellatus group (Squamata: Lacertidae): systematic and biogeographical implications
Figure 21. Geographical distribution of Acanthodactylus aureus (circles) and Acanthodactylus taghitensis (triangles). Data from Böhme (1978), Salvador (1982), Geniez & Foucart (1995), Bons & Geniez (1996), Hasi et al. (1998), Donaire et al. (2000), this study.
Figure 2 in A multivariate analysis of the fringe-toed lizards of the Acanthodactylus scutellatus group (Squamata: Lacertidae): systematic and biogeographical implications
Figure 2. Bivariate plot of PC2 and PC3 scores generated by a PCA run on all adult specimens (males and females separately) using the 12 morphological variables (see Methods).
Figure 5 in A multivariate analysis of the fringe-toed lizards of the Acanthodactylus scutellatus group (Squamata: Lacertidae): systematic and biogeographical implications
Figure 5. Box plots of the discriminant function scores for Acanthodactylus dumerili and A. scutellatus (both sexes together) in allopatric and sympatric situation. The DFA was run using the 12 variables included in the PCAs and the variables SO1, SO4 and GPRO (see Table 1).
Figure 20 in A multivariate analysis of the fringe-toed lizards of the Acanthodactylus scutellatus group (Squamata: Lacertidae): systematic and biogeographical implications
Figure 20. (a) Acanthodactylus longipes, male, MNHN 1997.4771, Azzefâl (Mauritania). (b) Acanthodactylus longipes, male, lectotype, BMNH 1946.8.4.31, Wargla (Algeria), close-up of head. (c) Acanthodactylus aureus, male, PHG 35, Sidi Ouassaï, near Massa (Morocco), picture by P. Geniez. (d) Acanthodactylus taghitensis, female, PHG 28, 5 km SSW of Taghit (Algeria), picture by M. Geniez.
Figure 3 in A multivariate analysis of the fringe-toed lizards of the Acanthodactylus scutellatus group (Squamata: Lacertidae): systematic and biogeographical implications
Figure 3. Bivariate plot of PC1 and PC2 scores generated by a PCA run on all adult specimens except Acanthodactylus aureus and A. taghitensis (males and females separately) using the same 12 variables as in the previous analysis. Arrows indicate A. longipes syntypes.
Figure 7 in A multivariate analysis of the fringe-toed lizards of the Acanthodactylus scutellatus group (Squamata: Lacertidae): systematic and biogeographical implications
Figure 7. Number of longitudinal rows of ventral scales for different geographical samples of Acanthodactylus dumerili.
Figure 11 in A multivariate analysis of the fringe-toed lizards of the Acanthodactylus scutellatus group (Squamata: Lacertidae): systematic and biogeographical implications
Figure 11. (a) Acanthodactylus scutellatus audouini, male, lectotype, BMNH 1923.1.20.3006, Wadi El Kreil (Tunisia), dorsal view of specimen. (b) A. s. audouini, female, paralectotype of Acanthodactylus scutellatus var. audouini, BMNH 97.10.28.319, Wadi Halfa (Sudan).
Dataset: 1H NMR metabolomic study of auxotrophic starvation in yeast using Multivariate Curve Resolution-Alternating Least Squares for Pathway Analysis
<p>This dataset contains the set of 1H NMR data used in https://doi.org/10.1038/srep30982.</p> <p>Yeast was grown in five different liquid media and their metabolism was characterized at 6 different time-points during 24 h.</p> <p>The media used were YSC (Yeast nitrogen base Synthetic Complete) and four Drop-Out (DM) medium that do not contain one of the following nutrients (L-histidine, L-leucine, L-methionine and uracil). Since the used yeast strain does not encode in its genome some genes relative to the biosynthesis of these four nutrients, some gene de-regulations process will occur, detectable at the metabolome level.</p> <p>In this study, we have characterized the metabolome using <sup>1</sup>H NMR spectroscopy, detecting more than 40 metabolites, and the evolution of this metabolome along the measured time-points was described by application of PCA, ASCA and MCR-ALS chemometric methods.</p>
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.