python - 如何在 Python 中创建高斯混合模型？

Question

出于可重复性的原因，我在这里分享几个数据集。数据集具有以下格式。

0.080505471,10
0.080709071,20
0.080835753,30
0.081004589,40
0.081009152,30
0.181258811,41
0.181674244,40

从第 2 列开始，我正在读取当前行并将其与前一行的值进行比较。如果它更大，我会继续比较。如果当前值小于前一行的值，我想将当前值（较小）除以前一个值（较大）。因此，以下代码：

import numpy as np
import scipy.stats
import matplotlib.pyplot as plt
import seaborn as sns

protocols = {}

types = {"data_g": "data_g.csv", "data_v": "data_v.csv", "data_c": "data_c.csv", "data_c": "data_c.csv"}

for protname, fname in types.items():
    col_time,col_window = np.loadtxt(fname,delimiter=',').T
    trailing_window = col_window[:-1] # "past" values at a given index
    leading_window  = col_window[1:]  # "current values at a given index
    decreasing_inds = np.where(leading_window < trailing_window)[0]
    quotient = leading_window[decreasing_inds]/trailing_window[decreasing_inds]
    quotient_times = col_time[decreasing_inds]

    protocols[protname] = {
        "col_time": col_time,
        "col_window": col_window,
        "quotient_times": quotient_times,
        "quotient": quotient,
    }
    plt.figure(); plt.clf()

    plt.plot(quotient_times, quotient, ".", label=protname, color="blue")
    plt.ylim(0, 1.0001)
    plt.title(protname)
    plt.xlabel("quotient_times")
    plt.ylabel("quotient")
    plt.legend()
    plt.show()

这给出了以下图。