我要把csv文件中的字符转为浮点数,报错说我没有定义文件名
import numpy as np
import pandas as pd
data=pd.read_csv('C:/Users/94402/Desktop/green.csv',encoding='gbk')
print(data)
import codecs
from csv import reader
def load_csv(green):
dataset = list()
with open(green,'r') as file:
csv_reader = reader(file)
headings = next(csv_reader)
for row in csv_reader:
if not row:
continue
dataset.append(row)
return dataset
def str_column_to_float(dataset, column):
for row in dataset:
row[column] = float(row[column].strip())
filename='insurance.csv'
**dataset = load_csv(green)**//这一行报错name 'green' is not defined
print('读取后',dataset)
for col in range(len(dataset[0])):
str_column_to_float(dataset,col)
print('转化后',dataset)
实在不懂