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Table of Contents

Preparation

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This page is a companion to the guest lecture on text mining for

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scheduled

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for

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4/29/2014.

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Please

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do

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bring

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a

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laptop

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!

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If

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you

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have

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one,

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bring

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your

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own.

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If

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you

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do

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not

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have

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one,

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please

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feel

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free

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to

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.

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Having

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a

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laptop

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will

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allow

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you

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to

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participate

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in

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the

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exercises

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and

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get

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the

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most

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out

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of

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class.

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No

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special

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software

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will

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be

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needed.

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All

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exercises

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will

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be

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done

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through

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a

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Web

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browser.

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Agenda

Presentation

There will be a

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during

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which

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your

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questions

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and

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comments

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are

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welcome.

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My

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aim

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is

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to

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discuss

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as

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much

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as

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is

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useful

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to

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you.

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Please

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feel

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free

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to

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chime

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in

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at

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any

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time.

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Exercises

All exercises will be demonstrated, so no prior knowledge of the tools are required. The room is equipped with a jack to allow easy sharing of your desktop on the screen, so if you discover something that you would like to share and discuss, we can easily do so, and I will encourage that.

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Voyant

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is a low barrier text analysis tool that delivers a rich, interactive interface. Please feel free to bring your own material for upload and analysis, understanding that upload of any material will be subject to the
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    - there's lots of noise in this example - see if you can improve the signal.

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nGrams

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There will be exercise time using Google's

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. nGrams depict the frequency of a word or word combination analyzed by publication year. Note that many modifications can be made to refine the analysis, so please consider the links below as starting points. Syntax for refinement is found on the
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ManyEyes

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is a site run by IBM that allows for various visualizations of data. A few of the visualizations allow for free text entry, and analyze the text directly. Please feel free to upload your own work into the site as primary data (upload requires an account), understanding that the
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will apply.

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