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change string to lowercase #4

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1187b35
change string to lowercase
Dragomir2020 Feb 27, 2018
b5c407e
update readme to show scope
Dragomir2020 Feb 27, 2018
7402917
fix code to handle capitalization
Dragomir2020 Feb 27, 2018
9f2d4f0
Update Stopwords.java
Dragomir2020 Feb 28, 2018
fbd1086
remove change
Dragomir2020 Feb 28, 2018
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6 changes: 6 additions & 0 deletions README.md
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Original file line number Diff line number Diff line change
@@ -0,0 +1,6 @@
# Twitter-L-LDA
A set of tools for performing Labeled Latent Dirichlet Allocation on textual datasets, with an emphasis on Twitter profiles. Contains tools for analysing the results of model training and inference.

## My Use/Scope
- I used this code as a guide to perform stop word and stemming in a tfidf algorithm for a web blog software
- Created some pull requests for bug found in original repository
14 changes: 7 additions & 7 deletions util/Stopwords.java
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Original file line number Diff line number Diff line change
Expand Up @@ -16,18 +16,18 @@ public class Stopwords {
public static boolean isStopword(String word) {
if(word.length() < 2) return true;
if(word.charAt(0) >= '0' && word.charAt(0) <= '9') return true; //remove numbers, "25th", etc
if(stopWordSet.contains(word)) return true;
if(stopWordSet.contains(word.toLowerCase())) return true;
else return false;
}

public static boolean isStemmedStopword(String word) {
if(word.length() < 2) return true;
if(word.charAt(0) >= '0' && word.charAt(0) <= '9') return true; //remove numbers, "25th", etc
String stemmed = stemString(word);
if(stopWordSet.contains(stemmed)) return true;
if(stemmedStopWordSet.contains(stemmed)) return true;
if(stopWordSet.contains(word)) return true;
if(stemmedStopWordSet.contains(word)) return true;
String stemmed = stemString(word.toLowerCase());
if(stopWordSet.contains(stemmed.toLowerCase())) return true;
if(stemmedStopWordSet.contains(stemmed.toLowerCase())) return true;
if(stopWordSet.contains(word.toLowerCase())) return true;
if(stemmedStopWordSet.contains(word.toLowerCase())) return true;
else return false;
}

Expand All @@ -36,7 +36,7 @@ public static String removeStopWords(String string) {
String[] words = string.split("\\s+");
for(String word : words) {
if(word.isEmpty()) continue;
if(isStopword(string)) continue; //remove stopwords
if(isStopword(word)) continue; //remove stopwords
result += (word+" ");
}
return result;
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