小编use*_*187的帖子

我想用python计算多元线性回归.我发现这个代码用于简单的线性回归

import numpy as np

from matplotlib.pyplot import *

x = np.array([1, 2, 3, 4, 5])

y = np.array([2, 3, 4, 4, 5])

n = np.max(x.shape)    

X = np.vstack([np.ones(n), x]).T


a = np.linalg.lstsq(X, y)[0]

所以,a是系数,但我看不出是什么[0]意思？

如何更改代码以获得多个线性回归？

我有几年的文件名为day00000.nc,day00001.nc,day00002.nc,... day00364.nc.它们代表365或366天.我想重命名我的文件,如day20070101.nc,day20070102.nc,... day20071231.nc我该怎么做？谢谢

我使用正交投影来绘制地图.我用这个程序:

from mpl_toolkits.basemap import Basemap
import numpy as np    
import matplotlib.pyplot as plt   
import os, sys    
from sys import argv   
import pylab    
from mpl_toolkits.basemap import Basemap, shiftgrid    
from matplotlib import mpl     
from matplotlib import rcParams    
import matplotlib.pyplot as plt    
import matplotlib.mlab as mlab    
import matplotlib.patches as patches    
import matplotlib.path as path    
import matplotlib.dates as dt    
from numpy import linalg    
import netCDF4    
import time    
import datetime as d   
import sys    
import math    
from mpl_toolkits.axes_grid1 import make_axes_locatable   
from pylab import *


nc …