2018-03-12から1日間の記事一覧
Q: irisのpetal lengthで最も出現頻度が高い値を見つけなさい A: # Input: url = 'https://archive.ics.uci.edu/ml/machine-learning-databases/iris/iris.data' iris = np.genfromtxt(url, delimiter=',', dtype='object') # Solution: vals, counts = np.u…
Q: irisデータセットをsepallengthカラムの値でソートしなさい A: url = 'https://archive.ics.uci.edu/ml/machine-learning-databases/iris/iris.data' iris = np.genfromtxt(url, delimiter=',', dtype='object') names = ('sepallength', 'sepalwidth', '…
Q: setosaで二番目に長いpetallengthは何? # Input url = 'https://archive.ics.uci.edu/ml/machine-learning-databases/iris/iris.data' iris = np.genfromtxt(url, delimiter=',', dtype='object') names = ('sepallength', 'sepalwidth', 'petallength',…