Aren't dataframes based on numpy arrays anyways ? You should be able to use a dataframe where you need an a numpy array. That's why you can use dataframes with ... ... <看更多>

DataFrame as a generalized NumPy array¶ ... If a Series is an analog of a one-dimensional array with flexible indices, a DataFrame is an analog of a two- ... ... <看更多>

You can try this import pandas as pd import numpy as np filename = 'data.csv' df1 = pd.read_csv(filename) #convert dataframe to matrix ... ... <看更多>

The support for python Bigquery API indicates that arrays are possible, however, when passing from a pandas dataframe to bigquery there is a ... ... <看更多>

Pandas dataframes are quite versatile when it comes to manipulating 2D tabular data in python. And often it can be quite useful to convert a numpy array to ... ... <看更多>

The adply() function (plyr package) applies a given function across specified dimensions of an array, returning a data frame. Note also aaply (returns an ... ... <看更多>