1.q-learning 2.saras 3.saras(lambda) 4.完整代码 1importnumpy as np2importtime345'''6-o---T7# T 就是宝藏的位置, o 是探索者的位置8'''910#作者:hhh546011#时间:2018122112#地点:Tai Zi Miao1314classEnv(object):15'''环境'''16def__init__(
importnumpyasnpimportpandasaspd The object of pandas includes Series(1D),DataFrame(2D) pandas can create a datetime index ,like this dates=pd.date_range('20210120',periods=6)# This is a series And then, we can create a DataFrame with a datetime index and labeled columns: df=pd.DataFrame(...
import numpy as np import pandas as pd class RL(object): def __init__(self, action_space, learning_rate=0.01, reward_decay=0.9, e_greedy=0.9): self.actions = action_space self.lr = learning_rate self.gamma = reward_decay self.epsilon = e_greedy self.q_table = pd.DataFrame(columns...
1. Understand the business problem and define success criteria.Convert the group's knowledge of the business problem and project objectives into a suitable ML problem definition. Consider why the project requires machine learning, the best type of algorithm for the problem, any requirements for trans...
Scikit-learn builds on severalPython librarieslike NumPy, matplotlib, Pandas, and SciPy. The machine learning framework provides various classification, regression, and clustering algorithms. Further, it has a comprehensive toolkit for predicting future events based on analyzed data. Companies likeSpotify ...
This repository collects some codes that encapsulates commonly used algorithms in the field of machine learning. Most of them are based on Numpy, Pandas or Torch. You can deepen your understanding to related model and algorithm or revise it to get the cu
Scikit-learn plotting capabilities (i.e., functions start withplot_and classes end withDisplay) require Matplotlib (>= 3.5.0). For running the examples Matplotlib >= 3.5.0 is required. A few examples require scikit-image >= 0.19.0, a few examples require pandas >= 1.4.0, some examples...
代码使用工具包比较少、简洁,主要有pandas和numpy,以及python自带的Tkinter 。其中,pandas用于Q-table的数据存储及处理。 在run_this中,首先我们先 import 两个模块,maze_env 是我们的迷宫环境模块,maze_env 模块我们可以不深入研究,如果你对编辑环境感兴趣,可以去修改迷宫的大小和布局。RL_brain模块是 RL 核心的大...
numpy.random.normal(size=100, loc=50, scale=3) 若要从 T-SQL 调用此行 Python,请在 sp_execute_external_script 的Python 脚本参数中添加 Python 函数。 输出需要一个数据帧,因此使用 pandas 来转换它。 SQL 复制 EXECUTE sp_execute_external_script @language = N'Python' , @script = N' import...
import pandas as pd from pandas import DataFrame,Series import scipy 2.计算卡方值 def chi3(arr): ''' 计算卡方值 arr:频数统计表,二维numpy数组。 ''' assert(arr.ndim==2) #计算每行总频数 R_N = arr.sum(axis=1) #每列总频数 C_N = arr.sum(axis=0) ...