Пример #1
0
 def setup(self):
     """Data from table 11.3 in Legendre & Legendre 1998."""
     Y = np.loadtxt(get_data_path('example2_Y'))
     X = np.loadtxt(get_data_path('example2_X'))
     self.ordination = RDA(Y, X, [
         'Site0', 'Site1', 'Site2', 'Site3', 'Site4', 'Site5', 'Site6',
         'Site7', 'Site8', 'Site9'
     ], [
         'Species0', 'Species1', 'Species2', 'Species3', 'Species4',
         'Species5'
     ])
Пример #2
0
import os
import numpy as np

from skbio.math.stats.ordination import CA, RDA, CCA


path = os.path.dirname(os.path.abspath(__file__))


def get_path(fn):
    return os.path.join(path, os.pardir, 'math', 'stats', 'ordination',
                        'test', 'data', fn)

X = np.loadtxt(get_path('L&L_CA_data'))
ordint = CA(X)
ordint.biplot(1)
ordint.biplot(2)

Y = np.loadtxt(get_path('example2_Y'))
X = np.loadtxt(get_path('example2_X')).reshape(-1, 4, order='F')
ordint = RDA(Y, X)
ordint.biplot()

Y = np.loadtxt(get_path('example3_Y'))
X = np.loadtxt(get_path('example3_X')).reshape(-1, 4, order='F')
ordint = CCA(Y, X)
ordint.biplot()