Description Usage Format Details Examples
Contour data constructed with the Momocs
package of several fish shapes and arbitrary polygons. Intended for training of PCA and LDA analysis with LDA
. Shapes are classified with shape, type, and edge factors.
1 |
An object of class "Out"
and "Coo"
; see Out
.
'shape': names the contour
'type': classifies the shape as 'fish' or not.fish'
'edge': is every coordinate of the contour represented, i.e., not cut off by an edge of the field? One level of 'FALSE'.
Shapes of type 'fish' include the follow classification levels:
'eel' (genus Anguilla) swimming with body undulations
'sunfish_BCF' (genus Lepomis) swimming with body-caudal fin propulsion
'sunfish_pect' (genus Lepomis) swimming with both body-caudal fin and pectoral fin oscillations
'trout' (genus Oncorhynchus) swimming with body-caudal fin propulsion
Each of these fish types include contours sampled regularly over one tail-beat cycle.
Shapes of type 'not.fish' include 'Ellipse', 'Lshape', 'Ushape', Ushape2', 'Ushape3','triangle', 'rectangle', and 'square'. Each 'not.fish' type was resampled 6 times with different efourier
analyses with 'nb.h' values ranging from 5 to 30. This produces shape classes with subtly variable contours.
The 'edge' factor is included so as to have the classification factors match those of the efourier
and LDA
analysis in kin.LDA
.
1 2 3 | library(Momocs)
data(fishshapes)
panel(fishshapes)
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