my task import csv file , make array, have done. task assign data variable- possible? instance, how go accessing 2nd column array typing in myvariablename[1] ?
import csv import numpy np f = open("test.csv") csv_f = csv.reader(f) row in csv_f: print(np.array(row)) f.close()
you can use numpy.loadtxt().
a.csv:
1,2,3 4,5,6 7,8,9 code:
import numpy np matrix = np.loadtxt(open("a.csv","rb"),delimiter=",") print(matrix[:,1]) # prints [ 2. 5. 8.]
Comments
Post a Comment