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  • Kaggle Titanic solution 纯规则学习

    其实就是把train.csv拿出来看了看,找了找规律,调了调参数而已。

    找到如下规律:

    1.男的容易死,女的容易活

    2.一等舱活,三等舱死

    3.老人死,小孩活

    4.兄弟姐妹多者死

    5.票价高的活

    6.有Cabin记录的活

    然后规则跑一跑,调一调参数,就把今天的提交次数用满了,然后跑到0.77了

        import pandas
    import numpy
    import csv
    
    csv_reader = csv.reader(open('test.csv',encoding='utf-8'))
    writer = csv.writer(open('ans.csv','w'))
    writer.writerow(list(['PassengerID','Survived']))
    data = []
    A = 0
    B = 0
    for row in csv_reader:
    	if(row[0][0]=='P'):
    		continue
    	now = 0
    	#	一等舱获救,三等舱死亡
    	if(row[1][0]=='1'):
    		now=now+1;
    	if(row[1][0]=='3'):
    		now=now-1;
    
    	#	男的死亡,女性获救
    	if(row[3][0]=='f'):
    		now=now+2;
    	if(row[3][0]=='m'):
    		now=now-1;
    
    	#	老人死亡,年轻人获救
    	if(len(row[4])>0):
    		if(float(row[4])<=15):
    			now=now+1;
    		if(float(row[4])>=35):
    			now=now-1;
    
    	# 	兄弟姐妹多的死掉
    	if(float(row[5])>1):
    		now = now-1;
    
    	#	财富高的活着,财富低的死亡
    	if(len(row[8])>0):
    		if(float(row[8])>100):
    			now=now+1;
    		if(float(row[8])<5):
    			now=now-1;
    
    	#	有Cabin的活着,无的死亡
    	if(row[9] == None):
    		now=now+1
    
    	if(now>0):
    		data.append([row[0],1])
    		print([row[0],1,now])
    		A = A + 1
    	else:
    		data.append([row[0],0])
    		print([row[0],0,now])
    		B = B + 1
    
    print(A,B)
    writer.writerows(data)
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  • 原文地址:https://www.cnblogs.com/qscqesze/p/6668626.html
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