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Text Data 作者: Mind Map: Text Data

1. Text to Visualize

1.1. Get

1.1.1. downloading

1.1.2. scanning

1.1.3. scraping

1.2. preprocess

1.2.1. removing

1.2.1.1. common words

1.2.1.2. unneeded words

1.2.2. normalizing

2. Basic Plots

2.1. origin: frequencies

2.1.1. barchart

2.1.1.1. here

2.1.2. lollipop

2.1.2.1. here

2.1.3. clouds

2.1.3.1. here

2.1.4. treemaps

2.1.4.1. here

3. less basic

3.1. plots from n-grams

3.1.1. origin:sequential or local co-occurrence in a text

3.1.1.1. bi(2)-grams

3.2. plots for topic models

3.2.1. origin: global or document-level co-occurrence across texts

3.2.1.1. topics