Hi,
I tried to learn the ggplot package in Sage 6.3 as follows.
ggplot(mtcars, aes('factor(cyl)')) does not work.
Would you show me how to resolve this problem ?
Thanks,
Yoshihiro Sato
----------------------------
Sage Version 6.3, Release Date: 2014-08-10
from ggplot import *
# geom_bar example
p = ggplot(mtcars, aes('factor(cyl)'))
p + geom_bar()
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "_sage_input_14.py", line 10, in <module>
exec compile(u'open("___code___.py","w").write("# -*- coding: utf-8
-*-\\n" +
_support_.preparse_worksheet_cell(base64.b64decode("IyBnZW9tX2JhcuOBruS+iwpwID0gZ2dwbG90KG10Y2FycywgYWVzKCdmYWN0b3IoY3lsKScpKQpwICsgZ2VvbV9iYXIoKQ=="),globals())+"\\n");
execfile(os.path.abspath("___code___.py"))
File "", line 1, in <module>
File
"/private/var/folders/58/d5_2tdvd2tb8hz_nz4rgwzx00000gn/T/tmpvszv_S/___code___.py",
line 3, in <module>
p = ggplot(mtcars, aes('factor(cyl)'))
File
"/Applications/Sage-6.3.app/Contents/Resources/sage/local/lib/python2.7/site-packages/ggplot-0.6.6-py2.7.egg/ggplot/ggplot.py",
line 66, in __init__
self.data = _apply_transforms(data, self.aesthetics)
File
"/Applications/Sage-6.3.app/Contents/Resources/sage/local/lib/python2.7/site-packages/ggplot-0.6.6-py2.7.egg/ggplot/ggplot.py",
line 553, in _apply_transforms
raise Exception(msg % (ae, name, str(e)))
Exception: Could not evaluate the 'x' mapping: 'factor(cyl)' (original
error: unable to factor n)
-----------------------------
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