# 计算 RFM 分数 def calculate_rfm(df): # Recency 分数(越小越好) df['R_Score'] = pd.qcut(df['Last_Login_Days_Ago'], q=5, labels=[5, 4, 3, 2, 1]) # Frequency 分数(越高越好) df['F_Score'] = pd.qcut(df['Purchase_Frequency'], q=5, labels=[1, 2, 3, 4, 5]) # ...
def spell_correction(sentence_list):max_edit_distance_dictionary= 3 prefix_length = 4 spellchecker = SymSpell(max_edit_distance_dictionary, prefix_length) dictionary_path = pkg_resources.resource_filename( "symspellpy", "frequency_dictionary_en_82_765.txt") bigram_path = pkg_reso...
先使用set去重,然后循环的把每一个元素和每一个元素对应的次数lists.count(item)组成一个元组放在列表里面 lists = ['a', 'a', 'b', 5, 6, 7, 5] count_set = set(lists) count_list = list() for item in count_set: count_list.append((item,lists.count(item))) 4)使用Counter Counter是一...
plt.figure(figsize=(16,10),dpi=80,facecolor='w',edgecolor='k')fori,categoryinenumerate(categories):plt.scatter('area','poptotal',data=midwest.loc[midwest.category==category,:],s=20,c=colors[i],label=str(category))# Decorations plt.gca().set(xlim=(0.0,0.1),ylim=(0,90000),xlabel='...
72 wordSet=list(getWordsFrequency().keys()) 73 #print(wordSet) 74 import random as r 75 抽取10个不同的元素,此方法随机数可以去重 76 randomWords=r.sample(wordSet,10) 77 用下面三行也可以抽出10个单词,但可能会有重复值 78 # randomWords=[] ...
first_patient = load_scan(INPUT_FOLDER + patients[0])first_patient_pixels = get_pixels_hu(first_patient)plt.hist(first_patient_pixels.flatten(), bins=80, color='c')plt.xlabel("Hounsfield Units (HU)")plt.ylabel("Frequency")plt.show()# Show some slice in the middleplt.imshow(first_pati...
通过实现特殊方法__len__和__getitem__,我们的FrenchDeck表现得像一个标准的 Python 序列,允许它从核心语言特性(例如迭代和切片)和标准库中受益,如使用random.choice、reversed和sorted的示例所示。得益于组合,__len__和__getitem__实现可以将所有工作委托给一个list对象self._cards。
# white wine - wine qualityax2 = fig.add_subplot(1,2,2)ax2.set_title("White Wine")ax2.set_xlabel("Quality")ax2.set_ylabel("Frequency")ww_q = white_wine['quality'].value_counts()ww_q = (list(ww_q.index), list(ww_q.values)...
import numpy as np import pandas as pd import pickle import matplotlib.pylab as plt import rpy2.robjects as robjects robjects.r('library(forecast)') #定义R时序对象的调用设置 robjects.r(''' setRTS<-function(tsdata,tsstart){ return(ts(tsdata,start=tsstart,frequency=4)) } ''') #定义...
Member_number: id numbers of customers Date: date of purchasing itemDescription: Item name Install necessary packages There are some packages that we should import first. 代码语言:javascript 代码运行次数:0 运行 AI代码解释 importnumpyasnpimportpandasaspdimportseabornassnsimportmatplotlib.pyplotasplt%matpl...