0
我有X個數據框(df1,df2,df3,...,dfX),並且對於它們中的每一個,我都想運行這個代碼來轉換這些值在每一列內浮動,並將其重新存儲到有問題的數據幀中:將字符串轉換爲數據框列表的浮點數
def handle_non_numerical_data(df):
columns = df.columns.values
for column in columns:
text_digit_vals = {}
def convert_to_int(val):
return text_digit_vals[val]
if df[column].dtype != np.int64 and df[column].dtype != np.float64:
column_contents = df[column].values.tolist()
unique_elements = set(column_contents)
x = 0 * 1.0
for unique in unique_elements:
if unique not in text_digit_vals:
text_digit_vals[unique] = x
x+=1
df[column] = list(map(convert_to_int, df[column]))
return df
df = handle_non_numerical_data(df)
請參閱[如何使重複性好大熊貓的例子(http://stackoverflow.com/questions/20109391/how-to-make-good-reproducible-pandas-examples),並相應地修改你的信息。 – MaxU