command x <- read.csv("a1.csv") hist(x[,"B"])a1.csv A,B 1,0 2,0 3,5 4,0 5,2 6,1 7,2 8,1 9,4

読み込み f = open('read.csv', 'r') for line in f: print line f.close() 書き込み f = open('write.csv', 'w') f.write("a\n") f.write("b\n") f.close()

他の言語でいう連想配列・Map 生成 tel = {'jack': 4098, 'sape': 4139} tel['guido'] = 4127 print tel 結果 {'sape': 4139, 'jack': 4098, 'guido': 4127} key指定出力 print tel['jack'] iterate for k, v in tel.iteritems(): print k, v key check dict…