第二个参数应该是定义的列名class
。想想['dog', 'dog', 'cat', 'bird', 'cat', 'dog']
。
在在线示例中,它们'Name'
用作第二个参数,因为这是定义 iris 名称的列
文档
Signature: parallel_coordinates(*args, **kwargs)
Docstring:
Parallel coordinates plotting.
Parameters
----------
frame: DataFrame
class_column: str
Column name containing class names
cols: list, optional
A list of column names to use
ax: matplotlib.axis, optional
matplotlib axis object
color: list or tuple, optional
Colors to use for the different classes
use_columns: bool, optional
If true, columns will be used as xticks
xticks: list or tuple, optional
A list of values to use for xticks
colormap: str or matplotlib colormap, default None
Colormap to use for line colors.
axvlines: bool, optional
If true, vertical lines will be added at each xtick
axvlines_kwds: keywords, optional
Options to be passed to axvline method for vertical lines
kwds: keywords
Options to pass to matplotlib plotting method