コード例 #1
0
def draw_line(x0, y0, x1, y1, screen, color):
    if x0 == x1 or y0 == y1: return
    # draw_line(x1, y1, x0, y0, screen, color)
    print(x0, y0, x1, y1)
    if x0 == x1 or y0 == y1: return
    midX = floor((x1 + x0) / 2)
    midY = floor((y1 + y0) / 2)
    if midX == x1 or midY == y1: return
    if midX == x0 and midX != x1:
        x0 += 1
        midX += 1
    if midY == x0 and midY != x1:
        y0 += 1
        midY += 1
    plot(screen, color, midX, midY)
    draw_line(x0, y0, midX, midY, screen, color)
    draw_line(midX, midY, x1, y1, screen, color)
コード例 #2
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ファイル: example.py プロジェクト: iontrapnet/BEM
import random
import time

import display


def generate_image():
    X, Y = numpy.meshgrid(numpy.linspace(0, numpy.pi, 512),
                          numpy.linspace(0, 2, 512))
    z = (numpy.sin(X) + numpy.cos(Y))**2 + 0.5
    return z


i1 = generate_image()
i2 = generate_image()

display.image(i1, title='gradient')

# display.images([i2, i2, i2, i2], width=200, title='super fabio', labels=['a', 'b', 'c', 'd'])

data = []
for i in range(15):
    data.append([i, random.random(), random.random() * 2])

win = display.plot(data, labels=['position', 'a', 'b'], title='progress')

for i in range(15, 25):
    time.sleep(0.2)
    data.append([i, random.random(), random.random() * 2])
    display.plot(data, win=win)
コード例 #3
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    def train(self, fImgs, fLbls, fIterations, fName):
        '''Training algorithm. Can evolved according to your need.

        INPUT  : Images set, labels set (None for autoencoders),
                 number of iterations before stopping, name for save
        OUTPUT : Nothing'''

        if PREPROCESSING:
            fImgs, _key = ld.normalization(fName, fImgs)

        print "Training...\n"
        
        _gcost = []
        _gtime = []
        _gperf = []
        
        _done  = fIterations
        
        for i in xrange(fIterations):

            _gtime.append(tm.time())
            _gcost.append(0)
            _gperf.append(0)
            
            for j in xrange(self.mCycle):

                _trn, _tst = self.cross_validation(j, fImgs, fLbls)

                for k in xrange(len(_trn[0]) / self.mBatchSize):

                    if DEBUG:
                        print "Learning rates :", self.mEpsilon
                        print "Momentums :", self.mMomentum
                    
                    # Input and labels batch
                    _in, _lbls = self.build_batch(k,_trn[0],_trn[1])

                    # Activation propagation
                    _out = self.propagation(_in, DROPOUT)

                    # Local error for each layer
                    _err = self.layer_error(_out, _lbls, SPARSITY)

                    # Gradient for stochastic gradient descent    
                    _wGrad, _bGrad = self.gradient(_err, _out)
                    
                    # Gradient checking
                    if GRAD_CHECK:
                        print "Gradient checking ..."
                        self.gradient_checking(_in,_in,_wGrad,_bGrad)
                    
                    # Adapt learning rate
                    if (i > 0 or j > 0 or k > 0) and ANGLE_DRIVEN:
                        self.angle_driven_approach(_wGrad)

                    # Weight variations
                    self.variations(_wGrad)
                    
                    # Update weights and biases
                    self.update(_bGrad)

                    # Adapt learning rate
                    if AVG_GRADIENT:
                        self.average_gradient_approach(_wGrad)
                        
                # Global cost and perf update in a cycle
                _cost, _perf  = self.evaluate(_tst[0], _tst[1])
                _gcost[i]    += _cost
                _gperf[i]    += _perf

                if DEBUG:
                    print "Cost :", _cost

            #Iteration information
            _gtime[i] = tm.time() - _gtime[i]
            print "Iteration {0} in {1}s".format(i, _gtime[i])

            # Global cost for one cycle
            _gcost[i] /= self.mCycle
            print "Cost of iteration : {0}".format(_gcost[i])

            # Global perf for one cycle
            _gperf[i] /= self.mCycle
            print "Current performances : {0}".format(_gperf[i])

            # Parameters
            print "Epsilon {0} Momentum {1}\n".format(self.mEpsilon,
                                                      self.mMomentum)

            # Stop condition
            if(i > 0):
                if(abs(_gcost[i-1] - _gcost[i])  < CONVERGENCE):
                    _done = i + 1
                    break

        dy.plot(xrange(_done), _gcost, fName, "_cost.png")
        dy.plot(xrange(_done), _gperf, fName, "_perf.png")
        dy.plot(xrange(_done), _gtime, fName, "_time.png")
コード例 #4
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ファイル: main.py プロジェクト: alexbol99/skeleton-patterns
from input import read_data
from segment_detector import detect_segments
from arc_detector import detect_arcs
from display import plot

import tkinter as tk
from tkinter import filedialog

root = tk.Tk()
root.withdraw()

file_path = filedialog.askopenfilename()

data = read_data(file_path)
segments, filtered_data = detect_segments(data)
# plot(filtered_data, segments)

arcs, filtered_data = detect_arcs(filtered_data)
plot(data, segments, arcs)
コード例 #5
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ファイル: candles.py プロジェクト: afcarl/exercise-serverless
import client
import pandas as pd
import numpy as np
import display as d

df = pd.read_csv('./equities.csv', index_col='symbol')
for index, item in df.iterrows():
    symbol = item.name
    equity = client.get_last(symbol)
    #normalize
    norm_equity = equity.drop(['date','volume'], axis=1)
    min_equity = norm_equity['low'].min()
    max_equity = norm_equity['high'].max()
    norm_equity = (norm_equity - min_equity) / (max_equity - min_equity)

    norm_volume = equity.drop(['date','open', 'high', 'low', 'close'], axis=1)
    min_volume = norm_volume['volume'].min()
    max_volume = norm_volume['volume'].max()
    norm_volume = (norm_volume - min_volume) / (max_volume - min_volume)

    d.plot(symbol, norm_equity, norm_volume)
    
print("Done.")
コード例 #6
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ファイル: example.py プロジェクト: dimatura/display
#!/usr/bin/env python

import numpy
import random
import time

import display

def generate_image():
    X, Y = numpy.meshgrid(numpy.linspace(0, numpy.pi, 512), numpy.linspace(0, 2, 512))
    z = (numpy.sin(X) + numpy.cos(Y)) ** 2 + 0.5
    return z

i1 = generate_image()
i2 = generate_image()

display.image(i1, title='gradient')

# display.images([i2, i2, i2, i2], width=200, title='super fabio', labels=['a', 'b', 'c', 'd'])

data = []
for i in range(15):
    data.append([i, random.random(), random.random() * 2])

win = display.plot(data, labels=[ 'position', 'a', 'b' ], title='progress')

for i in range(15, 25):
    time.sleep(0.2)
    data.append([i, random.random(), random.random() * 2])
    display.plot(data, win=win)
コード例 #7
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    def train(self, fImgs, fLbls, fIterations, fName):
        '''Training algorithm. Can evolved according to your need.

        INPUT  : Images set, labels set (None for autoencoders),
                 number of iterations before stopping, name for save
        OUTPUT : Nothing'''

        if PREPROCESSING:
            fImgs, _key = ld.normalization(fName, fImgs)

        print "Training...\n"

        _gcost = []
        _gtime = []

        _done = fIterations

        for i in xrange(fIterations):

            _gtime.append(tm.time())
            _gcost.append(0)

            for j in xrange(self.mCycle):

                _trn, _tst = self.cross_validation(j, fImgs)

                for k in xrange(len(_trn) / self.mBatchSize):

                    if DEBUG:
                        print "Learning rates :", self.mEpsilon
                        print "Momentums :", self.mMomentum

                    # Inputs and labels batch
                    _in = self.build_batch(k, _trn)

                    # Activation propagation
                    _out = self.propagation(_in, DROPOUT)

                    # Local error for each layer
                    _err = self.layer_error(_out, _in, SPARSITY)

                    # Gradient for stochastic gradient descent
                    _wGrad, _bGrad = self.gradient(_err, _out)

                    # Gradient checking
                    if GRAD_CHECK:
                        print "Gradient checking ..."
                        self.gradient_checking(_in, _in, _wGrad, _bGrad)

                    # Adapt learning rate
                    if (i > 0 or j > 0 or k > 0) and ANGLE_DRIVEN:
                        self.angle_driven_approach(_wGrad)

                    # Weight variations
                    self.variations(_wGrad)

                    # Update weights and biases
                    self.update(_bGrad)

                    # Adapt learning rate
                    if AVG_GRADIENT:
                        self.average_gradient_approach(_wGrad)

                # Evaluate the network
                _cost = self.evaluate(_tst)
                _gcost[i] += _cost

                if DEBUG:
                    print "Cost :", _cost

            # Iteration information
            _gtime[i] = tm.time() - _gtime[i]
            print "Iteration {0} in {1}s".format(i, _gtime[i])

            # Global cost for one cycle
            _gcost[i] /= self.mCycle
            print "Cost of iteration : {0}".format(_gcost[i])

            # Parameters
            print "Epsilon {0} Momentum {1}\n".format(self.mEpsilon,
                                                      self.mMomentum)

            # Stop condition
            if i > 0 and abs(_gcost[i - 1] - _gcost[i]) < 0.001:
                _done = i + 1
                break

            elif self.mStop:
                _done = i + 1
                break

        dy.plot(xrange(_done), _gcost, fName, "_cost.png")
        dy.plot(xrange(_done), _gtime, fName, "_time.png")

        if fName is not None:
            self.save_output(fName, "train", fImgs)
コード例 #8
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ファイル: draw.py プロジェクト: Zilby/Stuy-Stuff
def draw_line(screen, x0, y0, x1, y1, color):
    dx = x1 - x0
    dy = y1 - y0

    if dx + dy < 0:
        dx = 0 - dx
        dy = 0 - dy
        tmp = x0
        x0 = x1
        x1 = tmp
        tmp = y0
        y0 = y1
        y1 = tmp

    if dx == 0:
        y = y0
        while y <= y1:
            plot(screen, color,  x0, y)
            y = y + 1
    elif dy == 0:
        x = x0
        while x <= x1:
            plot(screen, color, x, y0)
            x = x + 1
    elif dy < 0:
        d = 0
        x = x0
        y = y0
        while x <= x1:
            plot(screen, color, x, y)
            if d > 0:
                y = y - 1
                d = d - dx
            x = x + 1
            d = d - dy
    elif dx < 0:
        d = 0
        x = x0
        y = y0
        while y <= y1:
            plot(screen, color, x, y)
            if d > 0:
                x = x - 1
                d = d - dy
            y = y + 1
            d = d - dx
    elif dx > dy:
        d = 0
        x = x0
        y = y0
        while x <= x1:
            plot(screen, color, x, y)
            if d > 0:
                y = y + 1
                d = d - dx
            x = x + 1
            d = d + dy
    else:
        d = 0
        x = x0
        y = y0
        while y <= y1:
            plot(screen, color, x, y)
            if d > 0:
                x = x + 1
                d = d - dy
            y = y + 1
            d = d + dx
コード例 #9
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state_win = 1
l_stats = []
w_stats = []
b_stats = []

for t in range(500):
    W.grad.data.zero_()
    b.grad.data.zero_()

    y_pred = torch.mm(W, x_data)
    y_pred += b.unsqueeze(0).expand_as(y_pred)

    loss = ((y_pred - y_data)**2).mean()
    loss.backward()

    W.data -= learning_rate * W.grad.data
    b.data -= learning_rate * b.grad.data

    l_stats.append([t, loss.data[0]])
    w_stats.append([t, W.data[0][0], W.data[0][1]])
    b_stats.append([t, b.data[0]])

    if t % 20 == 0:
        #
        display.plot(l_stats, title="loss", win=state_win)
        display.plot(w_stats, title="weight", width=200, win=state_win + 1)
        display.plot(b_stats, title="bias", win=state_win + 2)

        print("it: #{} loss: {} W: [{}, {}], b: {}".format(
            t, loss.data[0], W.data[0][0], W.data[0][1], b.data[0]))
コード例 #10
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def draw_line_backup(x0, y0, x1, y1, screen, color):
    if x0 == x1 and y0 == y1: return
    if x0 > x1: return draw_line(x1, y1, x0, y0, screen, color)
    if x1 - x0 == 0:
        if y1 > y0:
            plot(screen, color, y0 + 1, y1)
            return draw_line(x0, y0 + 1, x1, y1, screen, color)
        else:
            plot(screen, color, y0 - 1, y1)
            return draw_line(x0, y0 - 1, x1, y1, screen, color)
    slope = (y1 - y0) / (x1 - x0)
    if slope > 1:
        plot(screen, color, x0, y0 + 1)
        return draw_line_backup(x0, y0 + 1, x1, y1, screen, color)
    elif slope == 1:
        plot(screen, color, x0 + 1, y0 + 1)
        return draw_line_backup(x0 + 1, y0 + 1, x1, y1, screen, color)
    elif slope > 0:
        plot(screen, color, x0 + 1, y0)
        return draw_line_backup(x0 + 1, y0, x1, y1, screen, color)
    elif slope > -1:
        plot(screen, color, x0 + 1, y0)
        return draw_line_backup(x0 + 1, y0, x1, y1, screen, color)
コード例 #11
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    symbol = item.name

    equity = client.get_last(symbol)

    #normalize
    norm_equity = equity.drop(['date', 'volume'], axis=1)
    min_equity = norm_equity['low'].min()
    max_equity = norm_equity['high'].max()
    norm_equity = (norm_equity - min_equity) / (max_equity - min_equity)
    norm_equity = norm_equity.reset_index(drop=True)

    norm_volume = equity.drop(['date', 'open', 'high', 'low', 'close'], axis=1)
    min_volume = norm_volume['volume'].min()
    max_volume = norm_volume['volume'].max()
    norm_volume = (norm_volume - min_volume) / (max_volume - min_volume)
    norm_volume = norm_volume.reset_index(drop=True)
    norm_sample = norm_equity.join(norm_volume)
    sample = norm_sample.values
    # drop those that dont have proper shape
    if sample.shape[0] > 0 and sample.shape[0] == 10:
        sample = sample.reshape(1, 10, 5)
        predicted = model.predict(sample)
        predicted = np.reshape(predicted, (predicted.size, ))
        predicted = predicted[0]  # get the prediction
        predicted = predicted * 100  # turn it to percentage

        print(symbol, '%.2f' % predicted, 'PSEi' if item.psei else 'not PSEi')
        display.plot(symbol, norm_equity, norm_volume)
# TODO TEST THE VERACITY OF THE MODEL!!!
print('Done.')
コード例 #12
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ファイル: main.py プロジェクト: Ellana42/BlobEating
from game import Game
from display import plot

game = Game()
game.run()
plot(game.game_stats)
コード例 #13
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# 3.数据标准化
ana4_std = StandardScaler().fit_transform(ana1_selection_drop)  # 数据标准化
ana4_std

# In[182]:

# 5.k_means聚类分析
kmeans_model = KMeans(n_clusters=5).fit(ana4_std)  # K-means聚类分析
print('done')

# In[186]:

# 6.绘制雷达图

plot(kmeans_model, ana1_selection.columns)  # 绘制客户分群结果

# In[185]:

# 测试
# 选择合适的特征,构建聚类模型,分析每一类学生群体的消费特点

# 1导入库,选取数据
data_ana1 = data5
# data_ana1.shape

# 2构建特征:Dep,Money,FundMoney,CardCount,Date
2.1
ana1_selection = data_ana1.loc[:, [
    'Money', 'CardCount', 'hour', 'Sex', 'Surplus', 'FundMoney'
]]