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E.g., if you've got a **block full of 0s** and i>0, or if all your values are at most 200 and i==255. Straight line equation Can you dispel a magic effect you can't perceive? This is not intended to be a testimonial and the reader should not construe it as such. Point72 does not seek, solicit or accept investors that are not eligible family clients. his comment is here

Please sign in or join Quantopian to post a reply. I get the same error. Manually apply the quick and dirty **patch from the bug report** to your system: gksudo gksudo gedit /usr/lib/python2.7/dist-packages/softwareproperties/ppa.py Scroll down to line 83 or 87 (depends on the version), and put Also, I didn't know about np.MachAr() until you pointed it out.

This BboxTransformFrom.get_matrix transforms all points from grid space to canvas space, and thus gets called when plotting the line. On my system I only get 1 non-zero value which is In [47]: np.max(y) Out[47]: 7.9084499991689783e-317 which is notably smaller than what http://docs.scipy.org/doc/numpy/reference/generated/numpy.MachAr.html#numpy.MachAr claims the smallest float should be which makes Did you reboot?

How does Gandalf end up on the roof of Isengard? The material on this website is provided for informational purposes only and does not constitute an offer to sell, a solicitation to buy, or a recommendation or endorsement for any security Is there a way to block an elected President from entering office? Float Nan Python I work on debian jessie 64bit python 2.7.9 Matplotlib Developers member tacaswell commented Apr 8, 2015 Ubuntu beta (varient?, something with a v) but using py3k from anaconda.

Found the bug reports relating to adding PPAs: https://bugs.launchpad.net/ubuntu/+source/software-properties/+bug/1063350 https://bugs.launchpad.net/ubuntu/+source/software-properties/+bug/1065868 ibjsb4January 27th, 2013, 05:56 PMdowngrading python-software-propertiesLooks like you have some hope. Matplotlib Valueerror: Cannot Convert Float Nan To Integer It would also be worth looking if the same thing happens with one of the vector backend s … On Wed, Apr 8, 2015, 12:40 OceanWolf ***@***.***> wrote: @tacaswell

How do I fix the error? Cannot Convert Na To Integer The views are subject to change, and may have become unreliable for various reasons, including changes in market conditions or economic circumstances. Still it seems failing here is bad behavior. Once you join, you can: Create more algorithms Run full backtests, with detailed risk metrics and full transaction reports Post and share in our community Submit algorithms to the Quantopian Open

one that doesn't limit subnormals), see my last comment for ideas. Not the answer you're looking for? Cannot Convert Float Nan To Integer Python Cut and paste on your suggestion and the Random function works ok [email protected]:~$ python2.7 -c "print __import__('random').random()" 0.496176084327 [email protected]:~$ Thomas Krüger (thkrueger) said on 2013-10-06: #6 Did you retry adding the Pandas Cannot Convert Float Nan To Integer This is a matter of plotting library default autoscaling strategy, not ultimate numerics.

Might even try sudo apt-get dist-upgrade heyupJanuary 27th, 2013, 05:53 PMSorry. this content Some of its values are zero. I do not know why the patch that has proven to be successfull for raring has not yet been packported to precise. Retry Backtest from to with initial capital Cumulative performance: Algorithm Benchmark Custom data: Overall Metrics Returns Alpha Beta Sharpe Sortino Information Ratio Volatility Max Drawdown Total Returns -- Alpha -- Beta Int Nan Python

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Any alternatives or solutions? more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed Sorry for the inconvenience. weblink You can't use NaN with integer data structures.

Solving a discrete equation C# TBB updating metadata value Using the eval command twice Can a president win the electoral college and lose the popular vote How do I deal with Python Isnan I mean if numpy gives us numbers that shouldn't exist, then that would explain why our calculations fail. why does this error keep popping out?

All investments involve risk – including loss of principal. asked 6 months ago viewed 692 times Upcoming Events 2016 Community Moderator Election ends Nov 22 Related 885How do I check if a string is a number (float) in Python?279Checking if OceanWolf commented Apr 8, 2015 @efiring as far as I can tell denormalised numbers work fine for all operations, the problem here comes from overflow caused by the asymmetry introduced by Numpy Nan Already have an account?

Quantopian makes no guarantees as to accuracy or completeness of the views expressed in the website. Sorry this code is a mess, I am very new to Python python floating-point scipy nan ndimage share|improve this question edited May 11 at 9:46 asked May 10 at 16:33 Scott Departing from airport before visa is valid, but arriving when it is What is this line of counties voting for the Democratic party in the 2016 elections? check over here we must use a factor equal to or greater than the width/height in pixels.

For example, I am looking for the command that would convert In [618]: a=DataFrame(data=[[1,2],[0,1],[1,2],[0,0]]) In [619]: a Out[619]: 0 1 0 1 2 1 0 1 2 1 2 3 0 This is my solution: import numpy for i in range(1200): for j in range(1200): if data_a[i, j] == 0: data_a[i, j] = numpy.nan But I got this error: data_a[i,j] = numpy.nan Particle is a 3D tuple filled with 0 or 255, and I am using the scipy centre of mass function and then trying to turn the value into its closest integer