就业生态解析篇——数据预处理代码部分

 

连接爬取到的存储在MySQL种的数据,在该部分不展示。

data = data[data.job_name.str.contains('数据')]# 工作名是否含有数据

 

 

# 月薪
import re
def salary_deal(text):
    if '万/月' in text:
        unit = 10000
    elif '千/月' in text:
        unit = 1000
    elif '元/天' in text:
        unit = 22
    elif '元/小时' in text:
        unit = 10*22
    elif '万/年' in text:
        unit = 1/12*10000
    else:
        return 0
    
    res = re.findall(r'(\d+\.*\d*)',text)
    res = list(map(eval,res))# 将第一个表达式作用于第二个
    if len(res)==1:
        return int(res[0]*unit)
    elif len(res)==2:
        return int((res[0]+res[1])*unit/2)
    else:
        raise ValueError# 转换成多少元/月,取平均数
data.loc[:,'salary'] = data.providesalary_text.apply(salary_deal)

 

 

# city切割
data.loc[:,'city'] = data.workarea_text.apply(lambda x:x.split('-')[0])
data.drop(columns='job_id',inplace=True)

 

 

# 月薪-区间
bins = [0,1]+[i for i in range(4000,14001,2000)]+[20000,30000,40000,200000] 
# 0,1
# 4000,6000,8000,100000,12000,14000
# 20000,30000,40000,200000
temp = pd.cut(data.salary,bins,right=False)# 分箱操作
data.loc[:,'salary_range'] = temp

 

 

# 公司类型
data.loc[:,'company_type'] = data.companytype_text

 

# 学历
def education_deal(text):
    education = ['中专','大专','本科','硕士','博士','研究生']
    for e in education:
        if e in text:
            return e
    return '其它'


data.loc[:,'education'] = data.attribute_text.apply(education_deal) # Invoke function on values of Series.

 

final_data =  data.iloc[:, [0,2,6,7,8,9,10,11]]


# 福利指数
final_data.loc[:,'treatment_score'] = final_data.jobwelf.apply(lambda x: len(x.split())) #福利

 

from provinces import PROVINCES

# 省份
# 省级市+县级市,区
def find_province(x):
    for p in PROVINCES: # 省份
        for c in p.get('city'):  
            if (x in c.get('name'))or (x in c.get('districtAndCounty')): 
                return p.get('name')
    return None

final_data.loc[:,'provinces'] = final_data.city.apply(find_province)

 

 

final_data.to_excel('job_data_dataanalysis.xlsx')

 

posted on 2021-08-25 22:30  cookie的笔记簿  阅读(79)  评论(0编辑  收藏  举报