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I am trying to install pandas on Ubuntu 14.04. I seem to have a problem with dependencies, but I haven't been able to install them. I am trying to install pandas via pip as follows:

vroni@zargedu4:~$ pip install pandas

And this is the error message:

SystemError: Cannot compile 'Python.h'. Perhaps you need to install python-dev|python-devel.

If I try to install python-dev this happens:

vroni@zargedu4:~$ sudo apt-get install python-dev
python-dev :Depends: libpython-dev (= 2.7.5-5ubuntu3) but it is not installable
            Depends: python2.7-dev (>= 2.7.5-1~) but it is not installable

It basically misses these dependencies. Trying to install them only leads me to new messages like this. 

vroni@zargedu4:~$ sudo apt-get install libpython-dev
libpython-dev : Depends: libpython2.7-dev (>= 2.7.5-1~) but it is not installable

and so on.

vroni@zargedu4:~$ sudo apt-get install libpython2.7-dev
libpython2.7-dev : Depends: libpython2.7-stdlib (= 2.7.6-8) but 2.7.6-8ubuntu0.2 should be installed
                Depends: libpython2.7 (= 2.7.6-8) but 2.7.6-8ubuntu0.2 should be installed
                Depends: libexpat1-dev but it is not installable

until I try..

vroni@zargedu4:~$ sudo apt-get install libpython2.7-stdlib=2.7.6-8ubuntu0.2

Then the answer is: it is already the newest version.

libpython2.7-stdlib is already the newest version.

I don't quite understand what's the problem here. I also tried:

sudo apt-get update
sudo apt-get upgrade
sudo apt-get install -f

and 

sudo apt-get -f install

and afterwards tried to install pandas again. but nothing seems to work.

karel
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Vroni
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    Welcome to askubuntu. Usually these kind of problems happen after adding some alternative repository / PPA. Did you add any maybe conflicting repository? What is the output of apt policy libpython2.7-dev ? – pLumo Aug 30 '18 at 09:13
  • Maybe it's the Python Package Index (PyPI). The Python Package Index (PyPI) is a repository of software for the Python programming language, commonly accessed by pip install and sudo pip install commands. – karel Aug 30 '18 at 09:38

1 Answers1

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Pandas is in the default repositories for all currently supported versions of Ubuntu. To install it open the terminal and type:

sudo apt install python-pandas  # for Python 2.x in Ubuntu 18.04 and earlier

or

sudo apt install python3-pandas # for Python 3.x

pandas is a Python package providing fast, flexible, and expressive data structures designed to make working with "relational" or "labeled" data both easy and intuitive. It aims to be the fundamental high-level building block for doing practical, real world data analysis in Python.

karel
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