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"""Calculate a Confusion Matrix for multi-class classification | |
model results | |
2019 Colin Dietrich | |
""" | |
import numpy as np | |
import pandas as pd | |
import matplotlib.pyplot as plt | |
import seaborn as sns |
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# List unique values in a DataFrame column | |
pd.unique(df.column_name.ravel()) | |
# Convert Series datatype to numeric, getting rid of any non-numeric values | |
df['col'] = df['col'].astype(str).convert_objects(convert_numeric=True) | |
# Grab DataFrame rows where column has certain values | |
valuelist = ['value1', 'value2', 'value3'] | |
df = df[df.column.isin(valuelist)] |
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# -*- coding: utf-8 -*- | |
""" | |
Colors and markers for contrast plotting large numbers of series | |
Created on Fri Sep 2 10:31:04 2016 | |
@author: Colin Dietrich | |
""" | |
import colorsys | |
from math import pi |
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import numpy as np | |
from math import pi, log | |
import pylab | |
from scipy import fft, ifft | |
from scipy.optimize import curve_fit | |
i = 10000 | |
x = np.linspace(0, 3.5 * pi, i) | |
y = (0.3*np.sin(x) + np.sin(1.3 * x) + 0.9 * np.sin(4.2 * x) + 0.06 * | |
np.random.randn(i)) |