In his Ph.D. dissertation in 1921, the University of Chicago economist Frank Knight distinguished between two types of randomness: one that is amenable to formal statistical analysis, which Knight called ‘risk’ and another that is not, which he called ‘uncertainty’.

The solaris installation issue I had is related to the kind of VM I have chosen in VBox. I have used normal Solaris instead of Solaris 64bit

After changing the VM type, the installation is done reasonably fast.

To install the guest addition, run

pkgadd -d pkgadd -d <path/to/the/pkg file>

From

Chapter 2

• Accessing Text Corpora: such as Brown and Reuter
• Conditional Frequency Distributions (nltk.ConditionalFreqDist)
• Generating Random Text with Bigrams
• Lexical Resources

Summary

• A text corpus is a large, structured collection of texts. NLTK comes with many corpora, e.g., the Brown Corpus, nltk.corpus.brown.
• Some text corpora are categorized, e.g., by genre or topic; sometimes the categories of a corpus overlap each other.
• A conditional frequency distribution is a collection of frequency distributions, each one for a different condition. They can be used for counting word frequencies, given a context or a genre.
• Python programs more than a few lines long should be entered using a text editor, saved to a file with a .py extension, and accessed using an import statement.
• Python functions permit you to associate a name with a particular block of code, and re-use that code as often as necessary.
• Some functions, known as “methods”, are associated with an object and we give the object name followed by a period followed by the function, like this: x.funct(y), e.g., word.isalpha().
• WordNet is a semantically-oriented dictionary of English, consisting of synonym sets — or synsets — and organized into a network.
• Some functions are not available by default, but must be accessed using Python’s import statement.

Finally downloaded the installer for swi-prolog.

To load up the dataset, we need to use the “consult(

Tried to install macport of

http://www.swi-prolog.org/