摘要： import pandas as pd import numpy as np #读取文本文件,以空格作为分隔，给数据六个列名，对于数值为-99.90付为缺省值nan f = pd.read_csv('文件',sep='\s+',names=['sta','lat','lon','alt','year 阅读全文

摘要： 1、导入库 import xarray as xr import numpy as np import os import matplotlib.pyplot as plt from pandas.core.frame import DataFrame from scipy.stats.mstats 阅读全文