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class MultiClassDS: | |
""" | |
Generates a dataset of n points from c classes in ratio r | |
""" | |
def __init__(self, classes, length=1000, ratio=None): | |
#set params | |
self.classes, self.length, self.ratio = classes, length, ratio | |
#no ratio supplied? set it to even split | |
if not ratio: self._normalise_ratio() |
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def vis3d(ds): | |
"""Visualise a 3d MultiClassDS""" | |
fig = plt.figure() #start pyplot | |
fig.suptitle('3d vis') #add a title | |
cols = ['g', 'b', 'r', 'y'] #colour options | |
ax = fig.add_subplot(111, projection="3d") #initialise 3d | |
ax.set_xlabel('X') #set axis labels | |
ax.set_ylabel('Y') | |
ax.set_zlabel('Z') | |
for i, clas in enumerate(ds.get_vectors()): #loop through the vectorised classes |
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from django.conf import settings #for RECAPTCHA_PRIVATE key | |
def verify_recaptcha(request): | |
import urllib, urllib2, re | |
values = { | |
"privatekey": settings.RECAPTCHA_PRIVATE, | |
"remoteip": request.META['REMOTE_ADDR'], | |
"challenge": request.POST['recaptcha_challenge_field'], | |
"response": request.POST['recaptcha_response_field'], | |
} |
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""" | |
Quick and dirty experimental implementation of k-nearest neighbours technique | |
""" | |
from scipy import randn | |
import scipy.stats as stats | |
import random | |
from kdata import * |
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