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#Install nltk on mac for python 3.4.2 mac os x#
#Install nltk on mac for python 3.4.2 install#

How to install and import NLTK In terminal or prompt: pip install nltk Download Wordnet through NLTK in python console: import nltk nltk. Follow the below instructions to install nltk and download wordnet. Generally, this is irrelevant for the Windows installations, because Python 2 is not automatically included with Windows, so you can use python to get to Python 3. NLTK offers an interface to it, but you have to download it first in order to use it. So, you’ll generally want to type python3 on those machines as well. Mostly this also applies to the Macs in the lab as well. As far as I know, you cannot do this in IDLE. But as I mentioned in class, I prefer Terminal to IDLE myself, mostly due to the ability to use the “up-arrow” to retrieve previously typed commands. If you use IDLE in the Python 3.5 folder in your Applications folder, then you’ll be using Python 3. First, open the Windows command prompt and navigate to the location of the pip folder. In order to install NLTK on Windows OS, follow the below steps. We can install NLTK on various OS as follows. Then, when you want to start Python from the Terminal, start it with python3 (not python- python without the 3 will start Python 2 rather than Python 3). Now, once you have Python installed on your computer system, let us understand how we can install NLTK.

You probably also want to install numpy and matplotlib, which you would do in the same way.

Type pip3 install -U nltk (do not include sudo, and do include the 3, which differs from the instructions on the Installing NLTK page).

The following backends work out of the box: Agg, ps, pdf, svg. If this command results in Matplotlib being compiled from source and there's trouble with the compilation, you can add -prefer-binary to select the newest version of Matplotlib for which there is a precompiled wheel for your OS and Python.

Open Terminal (located in your Applications folder, in the Utilities folder within). Install it using pip: python -m pip install -U pip python -m pip install -U matplotlib.

Install Python 3.5 from the downloads page (Download Python 3.5.2, then double-click on the resulting.

There are also potentially “permissions” problems that can arise.Īs far as I know at least, the following should work: This means that sometimes where the instructions say to type python or pip you need to type python3 or pip3 instead. This adds complexity, because you need to install Python 3 yourself, but it also needs to co-exist with Python 2.

#Install nltk on mac for python 3.4.2 mac os x#

If you are trying to install NLTK on your own Mac OS X computer, there are a couple of things that you might need to do differently from what the instructions given online tell you to do.Īs background, here’s the thing: Mac OS X comes with Python pre-installed, but it is an older version of Python than we want (it is Python 2, we want Python 3).