标签：sel elements ted ref dimen order generate tor count
DataFrame
Constructor
DataFrame([data, index, columns, dtype, copy])
Two-dimensional size-mutable, potentially heterogeneous tabular data structure with labeled axes (rows and columns).
Axes
|
DataFrame.as_matrix([columns]) |
Convert the frame to its Numpy-array representation. |
|
Return the dtypes in this object. |
|
|
Return the ftypes (indication of sparse/dense and dtype) in this object. |
|
|
Return the counts of dtypes in this object. |
|
|
Return the counts of ftypes in this object. |
|
|
DataFrame.select_dtypes([include, exclude]) |
Return a subset of a DataFrame including/excluding columns based on their dtype. |
|
Numpy representation of NDFrame |
|
|
Return a list with the row axis labels and column axis labels as the only members. |
|
|
Number of axes / array dimensions |
|
|
number of elements in the NDFrame |
|
|
Return a tuple representing the dimensionality of the DataFrame. |
|
|
DataFrame.memory_usage([index, deep]) |
Memory usage of DataFrame columns. |
标签：sel elements ted ref dimen order generate tor count
原文地址：http://www.cnblogs.com/dreamafar/p/6227612.html
