markov chain generation is pretty decent

examples/word_count/views/books/chunked-map.js

@@ -0,0 +1,3 @@
+function(doc) {
+  doc.title && doc.chunk && emit([doc.title, doc.chunk],null);
+}

examples/word_count/views/books/united-map.js

@@ -0,0 +1 @@
+function(doc){if(doc.text && doc.text.match(/united/))  emit([doc.title, doc.chunk],null)}

examples/word_count/views/markov/chain-map.js

@@ -0,0 +1,6 @@
+function(doc){
+  var words = doc.text.split(/\W/).filter(function(w) {return w.length > 0}).map(function(w){return w.toLowerCase()});
+  for (var i = 0, l = words.length; i < l; i++) {
+    emit(words.slice(i,4),doc.title);
+  }
+}

examples/word_count/views/markov/chain-reduce.js

@@ -0,0 +1,7 @@
+function(key,vs,c){
+  if (c) {
+    return sum(vs);
+  } else {
+    return vs.length;
+  }
+}

examples/word_count/views/word_count/count-map.js

@@ -0,0 +1,6 @@
+function(doc){
+  var words = doc.text.split(/\W/).map(function(w){return w.toLowerCase()});
+  words.forEach(function(word){
+    if (word.length > 0) emit([word,doc.title],1);
+  });
+}

examples/word_count/views/word_count/count-reduce.js

@@ -0,0 +1,3 @@
+function(key,combine){
+  return sum(combine);
+}