Text Mining

library(tm)
library(XML)
mydata.vectors <- character(0)

for (page in c(1:15))
{
  twitter_q <- URLencode('#prolife OR #prochoice')
  twitter_url = paste('http://search.twitter.com/search.atom?q=',twitter_q,'&rpp=100&page=', page, sep='')
  mydata.xml <- xmlParseDoc(twitter_url, asText=F)
  mydata.vector <- xpathSApply(mydata.xml, '//s:entry/s:title', xmlValue, namespaces =c('s'='http://www.w3.org/2005/Atom'))
mydata.vectors <- c(mydata.vector, mydata.vectors)
}
mydata.corpus <- Corpus(VectorSource(mydata.vectors))
mydata.corpus <- tm_map(mydata.corpus, tolower)
mydata.corpus <- tm_map(mydata.corpus, removePunctuation)
my_stopwords <- c(stopwords('english'), 'prolife', 'prochoice')
mydata.corpus <- tm_map(mydata.corpus, removeWords, my_stopwords)
mydata.dtm <- TermDocumentMatrix(mydata.corpus)
mydata.dtm
## A term-document matrix (3582 terms, 1464 documents)
## 
## Non-/sparse entries: 13079/5230969
## Sparsity           : 100%
## Maximal term length: 51 
## Weighting          : term frequency (tf)

findFreqTerms(mydata.dtm, lowfreq=30)
##  [1] "2013"            "4000"            "abortion"       
##  [4] "abortions"       "amp"             "babies"         
##  [7] "baby"            "bekijay"         "billion"        
## [10] "biologyfail"     "catholic"        "cdnpoli"        
## [13] "christian"       "death"           "die"            
## [16] "dont"            "god"             "govt"           
## [19] "graphic"         "guns"            "hannahmyers10"  
## [22] "human"           "images"          "kill"           
## [25] "legal"           "lettingsmokeout" "life"           
## [28] "m408"            "million"         "murder"         
## [31] "nonprofit"       "obama"           "parenthood"     
## [34] "people"          "personhood"      "planned"        
## [37] "please"          "savita"          "share"          
## [40] "stevenertelt"    "stop"            "tcot"           
## [43] "time"            "tommytranpro"    "unborn"         
## [46] "via"             "video"           "waronwomen"     
## [49] "woman"           "women"
findAssocs(mydata.dtm, 'fetus', 0.20) 
##        subhuman          antisc           lungs        separate 
##            0.46            0.38            0.38            0.37 
##       eagiddins            jews         bekijay           nazis 
##            0.35            0.33            0.29            0.29 
##             dna           limbs             fyi         totally 
##            0.28            0.28            0.26            0.26 
##          organs     biologyfail           antis             etc 
##            0.25            0.23            0.21            0.21 
##        feminazi lettingsmokeout 
##            0.20            0.20
mydata.dtm2 <- removeSparseTerms(mydata.dtm, sparse=0.95)
mydata.df <- as.data.frame(inspect(mydata.dtm2))
## A term-document matrix (11 terms, 1464 documents)
## 
## Non-/sparse entries: 1616/14488
## Sparsity           : 90%
## Maximal term length: 12 
## Weighting          : term frequency (tf)
## 
##               Docs
## Terms          1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
##   abortion     0 0 0 0 0 0 0 1 1  0  0  0  0  0  1  0  1  1  0  1  0  0  0
##   amp          0 0 0 0 0 0 0 0 0  0  0  0  0  0  0  0  0  0  0  0  0  0  1
##   babies       0 0 0 0 0 0 0 0 0  0  0  0  0  0  1  0  0  0  0  0  0  0  0
##   life         0 0 1 0 0 1 0 0 0  0  0  0  0  0  0  1  0  0  2  0  0  0  0
##   m408         0 0 0 0 0 0 0 0 0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
##   parenthood   0 0 0 0 0 0 0 0 0  0  0  0  0  0  1  0  0  0  0  0  0  0  0
##   planned      0 0 0 0 0 0 0 0 0  0  0  0  0  0  1  0  0  0  0  0  0  0  0
##   stevenertelt 0 0 0 0 0 0 0 0 0  1  0  0  0  1  1  0  0  0  0  0  0  1  0
##   tcot         0 0 0 0 0 0 0 0 0  1  0  0  0  1  1  0  0  0  0  0  1  1  0
##   via          0 0 0 0 0 0 0 0 0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
##   women        0 0 0 0 0 0 0 0 0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
##               Docs
## Terms          24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43
##   abortion      0  1  0  0  1  0  0  1  0  0  1  0  0  0  1  1  0  0  1  0
##   amp           1  0  0  0  0  0  0  1  0  0  0  0  0  0  0  0  0  0  0  0
##   babies        0  0  0  0  0  0  0  0  0  0  0  0  0  1  0  0  0  1  0  0
##   life          0  0  0  0  0  0  0  0  0  1  0  0  1  0  0  0  0  0  0  0
##   m408          0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
##   parenthood    0  0  0  0  0  0  0  0  0  0  0  0  0  1  1  0  0  0  0  1
##   planned       0  0  0  0  0  0  0  0  0  0  0  0  0  1  1  0  0  0  0  1
##   stevenertelt  0  0  0  0  0  0  0  0  0  0  0  0  0  0  1  0  0  0  0  0
##   tcot          0  1  1  1  0  1  1  0  0  0  0  0  1  0  1  1  0  0  1  0
##   via           0  0  0  0  0  0  0  0  0  0  0  0  0  1  0  1  1  0  1  0
##   women         0  0  0  0  0  1  0  0  0  0  0  0  0  0  0  0  0  0  0  1
##               Docs
## Terms          44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63
##   abortion      0  1  0  0  0  0  0  0  0  0  1  0  0  0  0  1  0  0  0  0
##   amp           0  0  1  0  1  1  0  1  0  1  0  1  1  1  1  0  1  0  1  1
##   babies        1  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
##   life          0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
##   m408          0  0  0  0  0  0  0  0  1  0  0  0  0  0  0  0  0  0  0  0
##   parenthood    1  0  0  0  0  0  0  0  0  0  1  0  0  0  0  0  0  0  0  0
##   planned       1  0  0  0  0  0  0  0  0  0  1  0  0  0  0  0  0  0  0  0
##   stevenertelt  0  1  0  0  0  0  0  0  0  0  1  0  0  0  0  0  0  0  0  0
##   tcot          0  0  0  0  0  0  0  1  0  0  1  1  0  0  1  0  0  0  0  0
##   via           1  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
##   women         0  0  0  0  0  0  0  0  1  0  0  0  0  0  0  0  0  0  0  0
##               Docs
## Terms          64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83
##   abortion      1  0  1  0  1  0  0  0  0  0  1  0  1  1  0  1  0  0  0  0
##   amp           0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
##   babies        0  0  0  0  0  0  1  0  0  0  0  0  0  0  0  0  0  0  0  0
##   life          0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  1  0  0
##   m408          0  1  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
##   parenthood    0  0  0  0  2  0  1  0  0  0  1  0  1  1  0  1  1  0  0  0
##   planned       0  0  0  0  1  0  1  0  0  0  1  0  1  1  0  1  1  0  0  0
##   stevenertelt  0  0  0  0  0  0  0  0  0  0  1  0  1  0  0  1  0  0  0  0
##   tcot          0  0  1  1  0  0  0  2  0  0  1  0  1  1  0  1  0  0  0  0
##   via           0  0  0  0  0  0  1  0  0  0  0  0  0  0  0  0  0  0  0  1
##   women         0  1  0  0  0  0  0  0  1  0  0  0  0  0  0  0  0  0  0  0
##               Docs
## Terms          84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102
##   abortion      1  1  0  0  0  1  0  0  0  1  1  0  0  0  0  0   1   0   0
##   amp           0  0  0  0  0  0  0  1  0  0  0  0  0  0  0  0   1   0   0
##   babies        0  0  0  1  0  0  0  0  0  0  0  0  0  0  0  0   0   0   0
##   life          0  0  0  0  0  0  0  0  0  0  0  0  0  1  0  1   0   0   0
##   m408          0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0   0   0   0
##   parenthood    1  1  0  1  0  0  0  0  0  0  0  0  0  0  0  0   0   0   0
##   planned       1  1  0  1  0  0  0  0  0  0  0  0  0  0  0  0   0   0   0
##   stevenertelt  0  0  0  0  0  0  1  0  0  0  0  0  0  0  1  0   0   0   0
##   tcot          1  1  0  0  0  1  0  1  0  0  1  0  0  0  0  0   0   0   0
##   via           0  0  0  1  0  1  0  0  0  0  0  0  0  0  0  0   0   0   0
##   women         0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0   0   0   0
##               Docs
## Terms          103 104 105 106 107 108 109 110 111 112 113 114 115 116 117
##   abortion       0   1   0   0   0   0   0   0   0   1   1   1   1   0   0
##   amp            0   0   0   0   0   0   1   0   0   0   0   0   1   0   0
##   babies         0   0   0   0   0   0   0   1   0   0   0   0   0   0   0
##   life           0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##   m408           0   0   0   0   1   0   0   0   0   0   0   0   0   0   0
##   parenthood     0   1   0   0   0   0   0   0   0   0   1   0   0   0   0
##   planned        0   0   0   0   0   0   0   0   0   0   1   0   0   0   0
##   stevenertelt   0   0   0   0   0   0   0   0   0   1   0   0   0   0   0
##   tcot           0   0   0   0   0   0   0   0   0   0   0   0   0   0   1
##   via            0   0   0   0   0   0   0   0   0   1   0   0   0   0   0
##   women          0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##               Docs
## Terms          118 119 120 121 122 123 124 125 126 127 128 129 130 131 132
##   abortion       0   0   0   0   0   1   1   0   0   1   0   0   0   0   0
##   amp            0   0   0   0   0   0   0   0   0   1   0   1   0   1   0
##   babies         0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##   life           0   0   0   1   2   0   0   0   0   0   0   0   0   0   0
##   m408           0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##   parenthood     0   0   0   0   0   0   0   0   0   2   0   0   0   0   0
##   planned        0   0   0   0   0   0   0   0   0   1   0   0   0   0   0
##   stevenertelt   0   0   0   0   1   0   0   0   0   0   0   0   0   0   0
##   tcot           0   0   1   0   0   0   0   0   0   0   0   0   0   0   1
##   via            0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##   women          0   0   0   1   0   0   0   0   0   0   0   0   0   0   0
##               Docs
## Terms          133 134 135 136 137 138 139 140 141 142 143 144 145 146 147
##   abortion       1   0   0   0   0   0   1   1   1   0   1   1   0   1   0
##   amp            1   0   0   0   0   0   0   0   2   0   0   1   0   0   0
##   babies         0   0   0   0   0   0   0   0   0   0   0   0   1   0   0
##   life           0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##   m408           0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##   parenthood     0   0   0   0   0   0   1   1   0   0   0   0   0   0   1
##   planned        0   0   0   0   0   0   1   1   0   0   0   0   0   0   1
##   stevenertelt   0   0   0   0   0   0   0   0   0   0   0   0   0   0   1
##   tcot           0   0   1   0   0   0   0   0   1   1   1   0   0   0   0
##   via            0   0   0   0   0   0   0   0   0   0   0   0   0   0   1
##   women          0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##               Docs
## Terms          148 149 150 151 152 153 154 155 156 157 158 159 160 161 162
##   abortion       0   1   0   0   0   0   0   0   0   0   0   1   0   1   0
##   amp            0   1   0   0   0   0   0   0   0   0   0   0   0   1   0
##   babies         0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##   life           0   0   0   0   0   0   0   0   0   1   0   0   0   0   0
##   m408           0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##   parenthood     0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##   planned        0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##   stevenertelt   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##   tcot           0   0   0   1   0   1   0   0   0   0   1   1   0   0   0
##   via            0   0   0   0   0   0   0   0   1   0   0   1   0   0   0
##   women          0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##               Docs
## Terms          163 164 165 166 167 168 169 170 171 172 173 174 175 176 177
##   abortion       1   0   1   0   1   0   1   0   0   1   0   1   0   1   1
##   amp            1   0   1   0   0   0   0   0   0   0   0   0   0   1   0
##   babies         0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##   life           0   0   0   0   0   0   0   0   0   0   0   0   0   0   1
##   m408           0   1   0   0   0   0   0   0   0   0   0   0   0   0   0
##   parenthood     0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##   planned        0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##   stevenertelt   0   0   0   0   0   0   0   1   0   0   0   0   0   0   1
##   tcot           0   0   0   0   0   0   0   1   0   0   0   1   0   0   1
##   via            0   0   0   0   0   0   0   0   0   0   1   1   0   0   0
##   women          0   1   0   0   0   0   0   0   0   0   0   0   0   0   0
##               Docs
## Terms          178 179 180 181 182 183 184 185 186 187 188 189 190 191 192
##   abortion       0   0   0   1   1   1   1   1   0   0   1   1   0   0   0
##   amp            0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##   babies         0   0   0   0   0   0   1   0   0   0   0   0   0   0   0
##   life           0   0   0   0   1   1   0   1   0   1   1   1   0   0   0
##   m408           0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##   parenthood     0   0   0   0   0   0   1   0   0   0   0   0   0   0   0
##   planned        0   0   0   0   0   0   1   0   0   0   0   0   0   0   0
##   stevenertelt   1   0   0   1   1   1   1   1   0   0   0   0   0   0   1
##   tcot           1   0   0   0   1   1   0   1   0   0   1   1   0   0   1
##   via            0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##   women          0   0   0   0   0   0   0   0   0   0   0   0   0   0   1
##               Docs
## Terms          193 194 195 196 197 198 199 200 201 202 203 204 205 206 207
##   abortion       0   1   0   1   0   1   0   1   3   0   1   0   0   0   0
##   amp            0   0   0   0   0   0   1   0   0   0   0   0   0   0   1
##   babies         0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##   life           0   0   0   0   0   0   0   0   0   0   0   0   0   1   0
##   m408           0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##   parenthood     0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##   planned        0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##   stevenertelt   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##   tcot           1   0   0   1   0   0   0   1   0   0   0   0   0   0   0
##   via            0   0   0   0   0   0   0   0   1   0   0   0   0   0   0
##   women          0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##               Docs
## Terms          208 209 210 211 212 213 214 215 216 217 218 219 220 221 222
##   abortion       0   0   0   0   0   0   0   0   0   0   0   0   0   0   1
##   amp            0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##   babies         0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##   life           0   0   0   0   0   1   0   0   0   0   1   0   1   0   0
##   m408           0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##   parenthood     0   0   0   0   1   0   0   0   0   0   0   0   0   0   0
##   planned        0   0   0   0   1   0   0   0   0   0   0   0   0   0   0
##   stevenertelt   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##   tcot           0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##   via            0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##   women          0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##               Docs
## Terms          223 224 225 226 227 228 229 230 231 232 233 234 235 236 237
##   abortion       0   1   0   1   1   0   1   0   0   0   0   0   0   0   0
##   amp            0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##   babies         0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##   life           0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##   m408           0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##   parenthood     0   0   0   1   0   0   0   0   0   0   0   0   0   0   0
##   planned        0   0   0   1   0   0   0   0   0   0   0   0   0   0   0
##   stevenertelt   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##   tcot           0   0   1   0   0   1   0   0   0   0   0   1   0   0   1
##   via            0   0   0   0   0   0   0   0   0   1   0   0   0   0   0
##   women          0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##               Docs
## Terms          238 239 240 241 242 243 244 245 246 247 248 249 250 251 252
##   abortion       0   0   0   0   0   1   0   0   1   0   1   0   0   1   1
##   amp            0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##   babies         0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##   life           0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##   m408           0   0   0   0   0   0   0   0   0   0   0   0   1   0   0
##   parenthood     0   0   0   0   0   0   1   0   0   0   0   0   0   0   0
##   planned        0   0   0   0   0   0   1   0   0   0   0   0   0   0   0
##   stevenertelt   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##   tcot           0   0   0   0   0   1   0   0   0   0   0   0   0   0   0
##   via            0   1   0   0   0   0   0   0   0   0   0   0   0   0   1
##   women          0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##               Docs
## Terms          253 254 255 256 257 258 259 260 261 262 263 264 265 266 267
##   abortion       0   0   0   1   0   0   0   0   0   0   0   0   0   0   0
##   amp            0   0   0   0   2   0   0   0   0   0   0   0   0   0   0
##   babies         0   0   0   0   0   1   0   0   0   0   0   0   0   0   0
##   life           0   0   0   0   0   0   0   0   0   0   0   0   0   0   1
##   m408           0   1   0   0   0   0   0   0   0   0   0   0   0   0   0
##   parenthood     0   0   0   1   1   1   0   0   0   0   0   0   0   0   0
##   planned        0   0   0   0   1   1   0   0   0   0   0   0   0   0   0
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##   stevenertelt   0   0   0   1   0   0   0   0   0   0   0   0   0   1   0
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##   parenthood     0   1   0   0   0   0   0   0   0   0   0   1   0   0   0
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##   stevenertelt   0   1   0   0   0   0   0   0   0   0   1   1   0   0   0
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##   via            0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
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##   parenthood     0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##   planned        0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##   stevenertelt   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
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##   via            0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
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##   abortion       1   1   0   0   0   1   0   0   0   0   1   1   0   1   1
##   amp            0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
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##   m408           0   0   0   1   0   0   0   0   0   0   0   0   0   0   0
##   parenthood     1   0   0   0   0   0   0   0   0   1   0   0   0   0   0
##   planned        1   0   0   0   0   0   0   0   0   1   0   0   0   0   0
##   stevenertelt   0   0   1   0   0   0   1   0   1   1   0   0   0   0   0
##   tcot           1   1   0   0   0   0   0   0   0   0   1   0   0   0   0
##   via            0   0   0   0   0   0   0   0   0   1   0   0   0   0   0
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##               Docs
## Terms          643 644 645 646 647 648 649 650 651 652 653 654 655 656 657
##   abortion       1   0   0   0   2   0   0   0   0   0   0   0   0   0   1
##   amp            0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
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##   parenthood     0   0   0   0   1   0   0   0   0   0   0   0   0   0   0
##   planned        0   0   0   0   1   0   0   0   0   0   0   0   0   0   0
##   stevenertelt   0   0   0   1   0   0   0   0   0   0   0   0   0   0   0
##   tcot           0   0   0   0   1   0   0   0   0   0   0   0   0   0   0
##   via            0   0   1   0   0   0   0   0   0   0   0   0   0   0   0
##   women          0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##               Docs
## Terms          658 659 660 661 662 663 664 665 666 667 668 669 670 671 672
##   abortion       0   0   1   0   0   0   0   0   1   1   1   0   1   0   0
##   amp            0   0   0   0   0   0   0   2   0   0   0   0   0   0   0
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##   m408           0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##   parenthood     0   0   1   0   0   0   0   0   0   1   1   0   0   0   0
##   planned        0   0   1   0   0   0   0   0   0   1   1   0   0   0   0
##   stevenertelt   0   1   1   0   0   0   0   0   0   1   1   0   0   0   0
##   tcot           0   0   1   0   0   0   0   1   0   1   1   0   0   0   0
##   via            0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##   women          0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##               Docs
## Terms          673 674 675 676 677 678 679 680 681 682 683 684 685 686 687
##   abortion       0   0   0   1   0   0   0   1   0   0   0   0   0   1   1
##   amp            0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##   babies         1   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##   life           0   0   0   0   0   0   0   0   0   0   0   1   0   0   0
##   m408           0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##   parenthood     0   0   0   1   0   0   0   1   0   0   0   0   0   1   0
##   planned        0   0   0   1   0   0   0   1   0   0   0   0   0   1   0
##   stevenertelt   0   0   0   0   0   0   0   0   0   0   0   0   1   1   0
##   tcot           0   0   0   0   0   0   0   1   1   0   0   0   1   1   0
##   via            0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##   women          0   0   0   0   1   0   1   0   0   0   0   0   1   0   0
##               Docs
## Terms          688 689 690 691 692 693 694 695 696 697 698 699 700 701 702
##   abortion       0   0   0   0   0   1   0   1   0   0   1   1   0   0   0
##   amp            0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##   babies         0   0   0   1   1   0   0   0   1   1   0   0   0   1   0
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##   m408           0   0   0   0   0   0   1   0   0   0   0   0   0   0   0
##   parenthood     1   0   0   0   1   0   0   0   1   1   0   0   0   0   0
##   planned        1   0   0   0   1   0   0   0   1   1   0   0   0   0   0
##   stevenertelt   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##   tcot           0   1   1   0   0   0   0   1   0   0   0   0   0   0   0
##   via            0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##   women          1   1   1   0   0   0   0   0   0   0   0   0   0   0   0
##               Docs
## Terms          703 704 705 706 707 708 709 710 711 712 713 714 715 716 717
##   abortion       1   1   1   1   0   0   0   1   2   0   2   1   0   1   1
##   amp            0   0   0   0   0   0   0   2   0   0   0   0   0   0   0
##   babies         0   0   0   0   0   0   0   0   0   1   0   0   0   0   0
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##   m408           0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##   parenthood     0   0   0   0   1   0   0   0   0   1   0   0   0   0   0
##   planned        0   0   0   0   1   0   0   0   0   1   0   0   0   0   0
##   stevenertelt   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##   tcot           0   0   0   0   0   0   0   0   1   0   1   0   0   1   0
##   via            0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##   women          0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##               Docs
## Terms          718 719 720 721 722 723 724 725 726 727 728 729 730 731 732
##   abortion       2   0   0   0   1   0   0   0   0   1   0   0   0   0   0
##   amp            0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##   babies         0   1   1   0   0   1   0   0   0   0   0   0   1   0   0
##   life           0   0   0   0   0   0   0   3   0   0   0   1   0   0   0
##   m408           0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##   parenthood     0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##   planned        0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##   stevenertelt   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##   tcot           1   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##   via            0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##   women          0   0   0   0   0   0   0   0   1   0   0   2   0   0   0
##               Docs
## Terms          733 734 735 736 737 738 739 740 741 742 743 744 745 746 747
##   abortion       0   0   0   0   0   0   0   0   1   0   0   0   0   0   1
##   amp            0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##   babies         1   0   1   1   0   0   1   0   0   0   0   0   0   0   0
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##   parenthood     0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##   planned        0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##   stevenertelt   0   0   0   0   0   0   0   0   0   0   0   0   0   0   1
##   tcot           0   0   0   0   1   0   0   0   0   0   0   1   0   0   1
##   via            0   0   0   0   0   0   0   0   0   0   1   0   0   0   0
##   women          0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##               Docs
## Terms          748 749 750 751 752 753 754 755 756 757 758 759 760 761 762
##   abortion       0   0   1   0   1   0   0   0   0   1   0   1   0   0   1
##   amp            0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
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##   parenthood     0   0   0   0   0   0   0   0   0   0   0   0   0   0   1
##   planned        0   0   0   0   0   0   0   0   0   0   0   0   0   0   1
##   stevenertelt   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##   tcot           0   0   0   0   0   0   0   0   0   0   0   0   0   0   1
##   via            0   0   0   0   0   0   1   0   0   0   0   0   0   0   0
##   women          0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##               Docs
## Terms          763 764 765 766 767 768 769 770 771 772 773 774 775 776 777
##   abortion       1   1   1   0   1   1   0   0   1   2   1   1   1   1   1
##   amp            0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
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##   m408           0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##   parenthood     0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##   planned        0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##   stevenertelt   1   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##   tcot           1   0   1   0   1   1   0   1   0   0   0   0   0   1   0
##   via            0   0   0   0   0   0   0   0   0   0   1   0   0   0   0
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##               Docs
## Terms          778 779 780 781 782 783 784 785 786 787 788 789 790 791 792
##   abortion       1   1   0   0   0   0   0   0   1   0   0   0   0   0   0
##   amp            0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
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##   parenthood     0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##   planned        0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##   stevenertelt   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##   tcot           0   1   0   0   0   0   0   0   1   0   0   0   1   1   1
##   via            0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##   women          0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##               Docs
## Terms          793 794 795 796 797 798 799 800 801 802 803 804 805 806 807
##   abortion       0   0   0   0   0   0   0   1   1   1   0   0   0   0   0
##   amp            0   0   0   0   0   0   1   0   0   1   0   0   0   0   0
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##   parenthood     0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##   planned        0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##   stevenertelt   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##   tcot           0   0   1   1   0   1   0   0   0   0   0   0   0   0   0
##   via            0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##   women          0   0   0   0   0   0   0   0   0   0   0   0   2   0   0
##               Docs
## Terms          808 809 810 811 812 813 814 815 816 817 818 819 820 821 822
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##   amp            0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
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##   parenthood     0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##   planned        0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##   stevenertelt   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
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##   via            0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##   women          0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##               Docs
## Terms          823 824 825 826 827 828 829 830 831 832 833 834 835 836 837
##   abortion       0   1   0   0   0   2   0   1   1   1   0   0   0   0   1
##   amp            0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
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##   parenthood     1   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##   planned        1   0   0   0   0   0   0   0   0   0   0   0   0   0   0
##   stevenertelt   0   0   0   0   0   0   1   0   0   1   0   0   0   0   1
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nrow(mydata.df)
## [1] 11
ncol(mydata.df)
## [1] 1464

mydata.df.scale <- scale(mydata.df)
d <- dist(mydata.df.scale, method = "euclidean") # distance matrix
fit <- hclust(d, method="ward")
plot(fit) # display dendogram?

groups <- cutree(fit, k=5) # cut tree into 5 clusters
# draw dendogram with red borders around the 5 clusters
rect.hclust(fit, k=5, border="red")

plot of chunk unnamed-chunk-1