diff options
Diffstat (limited to 'gi/posterior-regularisation/prjava/src/util')
13 files changed, 0 insertions, 875 deletions
diff --git a/gi/posterior-regularisation/prjava/src/util/Array.java b/gi/posterior-regularisation/prjava/src/util/Array.java deleted file mode 100644 index cc4725af..00000000 --- a/gi/posterior-regularisation/prjava/src/util/Array.java +++ /dev/null @@ -1,41 +0,0 @@ -package util; - -import java.util.Arrays; - -public class Array { - - - - public static void sortDescending(double[] ds){ - for (int i = 0; i < ds.length; i++) ds[i] = -ds[i]; - Arrays.sort(ds); - for (int i = 0; i < ds.length; i++) ds[i] = -ds[i]; - } - - /** - * Return a new reversed array - * @param array - * @return - */ - public static int[] reverseIntArray(int[] array){ - int[] reversed = new int[array.length]; - for (int i = 0; i < reversed.length; i++) { - reversed[i] = array[reversed.length-1-i]; - } - return reversed; - } - - public static String[] sumArray(String[] in, int from){ - String[] res = new String[in.length-from]; - for (int i = from; i < in.length; i++) { - res[i-from] = in[i]; - } - return res; - } - - public static void main(String[] args) { - int[] i = {1,2,3,4}; - util.Printing.printIntArray(i, null, "original"); - util.Printing.printIntArray(reverseIntArray(i), null, "reversed"); - } -} diff --git a/gi/posterior-regularisation/prjava/src/util/ArrayMath.java b/gi/posterior-regularisation/prjava/src/util/ArrayMath.java deleted file mode 100644 index 398a13a2..00000000 --- a/gi/posterior-regularisation/prjava/src/util/ArrayMath.java +++ /dev/null @@ -1,186 +0,0 @@ -package util; - -import java.util.Arrays; - -public class ArrayMath { - - public static double dotProduct(double[] v1, double[] v2) { - assert(v1.length == v2.length); - double result = 0; - for(int i = 0; i < v1.length; i++) - result += v1[i]*v2[i]; - return result; - } - - public static double twoNormSquared(double[] v) { - double result = 0; - for(double d : v) - result += d*d; - return result; - } - - public static boolean containsInvalid(double[] v) { - for(int i = 0; i < v.length; i++) - if(Double.isNaN(v[i]) || Double.isInfinite(v[i])) - return true; - return false; - } - - - - public static double safeAdd(double[] toAdd) { - // Make sure there are no positive infinities - double sum = 0; - for(int i = 0; i < toAdd.length; i++) { - assert(!(Double.isInfinite(toAdd[i]) && toAdd[i] > 0)); - assert(!Double.isNaN(toAdd[i])); - sum += toAdd[i]; - } - - return sum; - } - - /* Methods for filling integer and double arrays (of up to four dimensions) with the given value. */ - - public static void set(int[][][][] array, int value) { - for(int i = 0; i < array.length; i++) { - set(array[i], value); - } - } - - public static void set(int[][][] array, int value) { - for(int i = 0; i < array.length; i++) { - set(array[i], value); - } - } - - public static void set(int[][] array, int value) { - for(int i = 0; i < array.length; i++) { - set(array[i], value); - } - } - - public static void set(int[] array, int value) { - Arrays.fill(array, value); - } - - - public static void set(double[][][][] array, double value) { - for(int i = 0; i < array.length; i++) { - set(array[i], value); - } - } - - public static void set(double[][][] array, double value) { - for(int i = 0; i < array.length; i++) { - set(array[i], value); - } - } - - public static void set(double[][] array, double value) { - for(int i = 0; i < array.length; i++) { - set(array[i], value); - } - } - - public static void set(double[] array, double value) { - Arrays.fill(array, value); - } - - public static void setEqual(double[][][][] dest, double[][][][] source){ - for (int i = 0; i < source.length; i++) { - setEqual(dest[i],source[i]); - } - } - - - public static void setEqual(double[][][] dest, double[][][] source){ - for (int i = 0; i < source.length; i++) { - set(dest[i],source[i]); - } - } - - - public static void set(double[][] dest, double[][] source){ - for (int i = 0; i < source.length; i++) { - setEqual(dest[i],source[i]); - } - } - - public static void setEqual(double[] dest, double[] source){ - System.arraycopy(source, 0, dest, 0, source.length); - } - - public static void plusEquals(double[][][][] array, double val){ - for (int i = 0; i < array.length; i++) { - plusEquals(array[i], val); - } - } - - public static void plusEquals(double[][][] array, double val){ - for (int i = 0; i < array.length; i++) { - plusEquals(array[i], val); - } - } - - public static void plusEquals(double[][] array, double val){ - for (int i = 0; i < array.length; i++) { - plusEquals(array[i], val); - } - } - - public static void plusEquals(double[] array, double val){ - for (int i = 0; i < array.length; i++) { - array[i] += val; - } - } - - - public static double sum(double[] array) { - double res = 0; - for (int i = 0; i < array.length; i++) res += array[i]; - return res; - } - - - - public static double[][] deepclone(double[][] in){ - double[][] res = new double[in.length][]; - for (int i = 0; i < res.length; i++) { - res[i] = in[i].clone(); - } - return res; - } - - - public static double[][][] deepclone(double[][][] in){ - double[][][] res = new double[in.length][][]; - for (int i = 0; i < res.length; i++) { - res[i] = deepclone(in[i]); - } - return res; - } - - public static double cosine(double[] a, - double[] b) { - return (dotProduct(a, b)+1e-5)/(Math.sqrt(dotProduct(a, a)+1e-5)*Math.sqrt(dotProduct(b, b)+1e-5)); - } - - public static double max(double[] ds) { - double max = Double.NEGATIVE_INFINITY; - for(double d:ds) max = Math.max(d,max); - return max; - } - - public static void exponentiate(double[] a) { - for (int i = 0; i < a.length; i++) { - a[i] = Math.exp(a[i]); - } - } - - public static int sum(int[] array) { - int res = 0; - for (int i = 0; i < array.length; i++) res += array[i]; - return res; - } -} diff --git a/gi/posterior-regularisation/prjava/src/util/DifferentiableObjective.java b/gi/posterior-regularisation/prjava/src/util/DifferentiableObjective.java deleted file mode 100644 index 1ff1ae4a..00000000 --- a/gi/posterior-regularisation/prjava/src/util/DifferentiableObjective.java +++ /dev/null @@ -1,14 +0,0 @@ -package util; - -public interface DifferentiableObjective { - - public double getValue(); - - public void getGradient(double[] gradient); - - public void getParameters(double[] params); - - public void setParameters(double[] newParameters); - - public int getNumParameters(); -} diff --git a/gi/posterior-regularisation/prjava/src/util/DigammaFunction.java b/gi/posterior-regularisation/prjava/src/util/DigammaFunction.java deleted file mode 100644 index ff1478ad..00000000 --- a/gi/posterior-regularisation/prjava/src/util/DigammaFunction.java +++ /dev/null @@ -1,21 +0,0 @@ -package util; - -public class DigammaFunction { - public static double expDigamma(double number){ - if(number==0)return number; - return Math.exp(digamma(number)); - } - - public static double digamma(double number){ - if(number > 7){ - return digammApprox(number-0.5); - }else{ - return digamma(number+1) - 1.0/number; - } - } - - private static double digammApprox(double value){ - return Math.log(value) + 0.04167*Math.pow(value, -2) - 0.00729*Math.pow(value, -4) - + 0.00384*Math.pow(value, -6) - 0.00413*Math.pow(value, -8); - } -} diff --git a/gi/posterior-regularisation/prjava/src/util/FileSystem.java b/gi/posterior-regularisation/prjava/src/util/FileSystem.java deleted file mode 100644 index d7812e40..00000000 --- a/gi/posterior-regularisation/prjava/src/util/FileSystem.java +++ /dev/null @@ -1,21 +0,0 @@ -package util; - -import java.io.File; - -public class FileSystem { - public static boolean createDir(String directory) { - - File dir = new File(directory); - if (!dir.isDirectory()) { - boolean success = dir.mkdirs(); - if (!success) { - System.out.println("Unable to create directory " + directory); - return false; - } - System.out.println("Created directory " + directory); - } else { - System.out.println("Reusing directory " + directory); - } - return true; - } -} diff --git a/gi/posterior-regularisation/prjava/src/util/InputOutput.java b/gi/posterior-regularisation/prjava/src/util/InputOutput.java deleted file mode 100644 index da7f71bf..00000000 --- a/gi/posterior-regularisation/prjava/src/util/InputOutput.java +++ /dev/null @@ -1,67 +0,0 @@ -package util; - -import java.io.BufferedReader; -import java.io.FileInputStream; -import java.io.FileNotFoundException; -import java.io.FileOutputStream; -import java.io.IOException; -import java.io.InputStreamReader; -import java.io.OutputStream; -import java.io.PrintStream; -import java.io.UnsupportedEncodingException; -import java.util.Properties; -import java.util.zip.GZIPInputStream; -import java.util.zip.GZIPOutputStream; - -public class InputOutput { - - /** - * Opens a file either compress with gzip or not compressed. - */ - public static BufferedReader openReader(String fileName) throws UnsupportedEncodingException, FileNotFoundException, IOException{ - System.out.println("Reading: " + fileName); - BufferedReader reader; - fileName = fileName.trim(); - if(fileName.endsWith("gz")){ - reader = new BufferedReader( - new InputStreamReader(new GZIPInputStream(new FileInputStream(fileName)),"UTF8")); - }else{ - reader = new BufferedReader(new InputStreamReader( - new FileInputStream(fileName), "UTF8")); - } - - return reader; - } - - - public static PrintStream openWriter(String fileName) - throws UnsupportedEncodingException, FileNotFoundException, IOException{ - System.out.println("Writting to file: " + fileName); - PrintStream writter; - fileName = fileName.trim(); - if(fileName.endsWith("gz")){ - writter = new PrintStream(new GZIPOutputStream(new FileOutputStream(fileName)), - true, "UTF-8"); - - }else{ - writter = new PrintStream(new FileOutputStream(fileName), - true, "UTF-8"); - - } - - return writter; - } - - public static Properties readPropertiesFile(String fileName) { - Properties properties = new Properties(); - try { - properties.load(new FileInputStream(fileName)); - } catch (IOException e) { - e.printStackTrace(); - throw new AssertionError("Wrong properties file " + fileName); - } - System.out.println(properties.toString()); - - return properties; - } -} diff --git a/gi/posterior-regularisation/prjava/src/util/LogSummer.java b/gi/posterior-regularisation/prjava/src/util/LogSummer.java deleted file mode 100644 index 117393b9..00000000 --- a/gi/posterior-regularisation/prjava/src/util/LogSummer.java +++ /dev/null @@ -1,86 +0,0 @@ -package util; - -import java.lang.Math; - -/* - * Math tool for computing logs of sums, when the terms of the sum are already in log form. - * (Useful if the terms of the sum are very small numbers.) - */ -public class LogSummer { - - private LogSummer() { - } - - /** - * Given log(a) and log(b), computes log(a + b). - * - * @param loga log of first sum term - * @param logb log of second sum term - * @return log(sum), where sum = a + b - */ - public static double sum(double loga, double logb) { - assert(!Double.isNaN(loga)); - assert(!Double.isNaN(logb)); - - if(Double.isInfinite(loga)) - return logb; - if(Double.isInfinite(logb)) - return loga; - - double maxLog; - double difference; - if(loga > logb) { - difference = logb - loga; - maxLog = loga; - } - else { - difference = loga - logb; - maxLog = logb; - } - - return Math.log1p(Math.exp(difference)) + maxLog; - } - - /** - * Computes log(exp(array[index]) + b), and - * modifies array[index] to contain this new value. - * - * @param array array to modify - * @param index index at which to modify - * @param logb log of the second sum term - */ - public static void sum(double[] array, int index, double logb) { - array[index] = sum(array[index], logb); - } - - /** - * Computes log(a + b + c + ...) from log(a), log(b), log(c), ... - * by recursively splitting the input and delegating to the sum method. - * - * @param terms an array containing the log of all the terms for the sum - * @return log(sum), where sum = exp(terms[0]) + exp(terms[1]) + ... - */ - public static double sumAll(double... terms) { - return sumAllHelper(terms, 0, terms.length); - } - - /** - * Computes log(a_0 + a_1 + ...) from a_0 = exp(terms[begin]), - * a_1 = exp(terms[begin + 1]), ..., a_{end - 1 - begin} = exp(terms[end - 1]). - * - * @param terms an array containing the log of all the terms for the sum, - * and possibly some other terms that will not go into the sum - * @return log of the sum of the elements in the [begin, end) region of the terms array - */ - private static double sumAllHelper(final double[] terms, final int begin, final int end) { - int length = end - begin; - switch(length) { - case 0: return Double.NEGATIVE_INFINITY; - case 1: return terms[begin]; - default: - int midIndex = begin + length/2; - return sum(sumAllHelper(terms, begin, midIndex), sumAllHelper(terms, midIndex, end)); - } - } - -}
\ No newline at end of file diff --git a/gi/posterior-regularisation/prjava/src/util/MathUtil.java b/gi/posterior-regularisation/prjava/src/util/MathUtil.java deleted file mode 100644 index 799b1faf..00000000 --- a/gi/posterior-regularisation/prjava/src/util/MathUtil.java +++ /dev/null @@ -1,148 +0,0 @@ -package util; - -import java.util.Random; - -public class MathUtil { - public static final boolean closeToOne(double number){ - return Math.abs(number-1) < 1.E-10; - } - - public static final boolean closeToZero(double number){ - return Math.abs(number) < 1.E-5; - } - - /** - * Return a ramdom multinominal distribution. - * - * @param size - * @return - */ - public static final double[] randomVector(int size, Random r){ - double[] random = new double[size]; - double sum=0; - for(int i = 0; i < size; i++){ - double number = r.nextDouble(); - random[i] = number; - sum+=number; - } - for(int i = 0; i < size; i++){ - random[i] = random[i]/sum; - } - return random; - } - - - - public static double sum(double[] ds) { - double res = 0; - for (int i = 0; i < ds.length; i++) { - res+=ds[i]; - } - return res; - } - - public static double max(double[] ds) { - double res = Double.NEGATIVE_INFINITY; - for (int i = 0; i < ds.length; i++) { - res = Math.max(res, ds[i]); - } - return res; - } - - public static double min(double[] ds) { - double res = Double.POSITIVE_INFINITY; - for (int i = 0; i < ds.length; i++) { - res = Math.min(res, ds[i]); - } - return res; - } - - - public static double KLDistance(double[] p, double[] q) { - int len = p.length; - double kl = 0; - for (int j = 0; j < len; j++) { - if (p[j] == 0 || q[j] == 0) { - continue; - } else { - kl += q[j] * Math.log(q[j] / p[j]); - } - - } - return kl; - } - - public static double L2Distance(double[] p, double[] q) { - int len = p.length; - double l2 = 0; - for (int j = 0; j < len; j++) { - if (p[j] == 0 || q[j] == 0) { - continue; - } else { - l2 += (q[j] - p[j])*(q[j] - p[j]); - } - - } - return Math.sqrt(l2); - } - - public static double L1Distance(double[] p, double[] q) { - int len = p.length; - double l1 = 0; - for (int j = 0; j < len; j++) { - if (p[j] == 0 || q[j] == 0) { - continue; - } else { - l1 += Math.abs(q[j] - p[j]); - } - - } - return l1; - } - - public static double dot(double[] ds, double[] ds2) { - double res = 0; - for (int i = 0; i < ds2.length; i++) { - res+= ds[i]*ds2[i]; - } - return res; - } - - public static double expDigamma(double number){ - return Math.exp(digamma(number)); - } - - public static double digamma(double number){ - if(number > 7){ - return digammApprox(number-0.5); - }else{ - return digamma(number+1) - 1.0/number; - } - } - - private static double digammApprox(double value){ - return Math.log(value) + 0.04167*Math.pow(value, -2) - 0.00729*Math.pow(value, -4) - + 0.00384*Math.pow(value, -6) - 0.00413*Math.pow(value, -8); - } - - public static double eulerGamma = 0.57721566490152386060651209008240243; - // FIXME -- so far just the initialization from Minka's paper "Estimating a Dirichlet distribution". - public static double invDigamma(double y) { - if (y>= -2.22) return Math.exp(y)+0.5; - return -1.0/(y+eulerGamma); - } - - - - public static void main(String[] args) { - for(double i = 0; i < 10 ; i+=0.1){ - System.out.println(i+"\t"+expDigamma(i)+"\t"+(i-0.5)); - } -// double gammaValue = (expDigamma(3)/expDigamma(10) + expDigamma(3)/expDigamma(10) + expDigamma(4)/expDigamma(10)); -// double normalValue = 3/10+3/4+10/10; -// System.out.println("Gamma " + gammaValue + " normal " + normalValue); - } - - - -} diff --git a/gi/posterior-regularisation/prjava/src/util/Matrix.java b/gi/posterior-regularisation/prjava/src/util/Matrix.java deleted file mode 100644 index 8fb6d911..00000000 --- a/gi/posterior-regularisation/prjava/src/util/Matrix.java +++ /dev/null @@ -1,16 +0,0 @@ -package util; - -public class Matrix { - int x; - int y; - double[][] values; - - public Matrix(int x, int y){ - this.x = x; - this.y=y; - values = new double[x][y]; - } - - - -} diff --git a/gi/posterior-regularisation/prjava/src/util/MemoryTracker.java b/gi/posterior-regularisation/prjava/src/util/MemoryTracker.java deleted file mode 100644 index 83a65611..00000000 --- a/gi/posterior-regularisation/prjava/src/util/MemoryTracker.java +++ /dev/null @@ -1,47 +0,0 @@ -package util; - - -public class MemoryTracker { - - double initM,finalM; - boolean start = false,finish = false; - - public MemoryTracker(){ - - } - - public void start(){ - System.gc(); - System.gc(); - System.gc(); - initM = (Runtime.getRuntime().totalMemory() - Runtime.getRuntime().freeMemory())/(1024*1024); - start = true; - } - - public void finish(){ - if(!start){ - throw new RuntimeException("Canot stop before starting"); - } - System.gc(); - System.gc(); - System.gc(); - finalM = (Runtime.getRuntime().totalMemory() - Runtime.getRuntime().freeMemory())/(1024*1024); - finish = true; - } - - public String print(){ - if(!finish){ - throw new RuntimeException("Canot print before stopping"); - } - return "Used: " + (finalM - initM) + "MB"; - } - - public void clear(){ - initM = 0; - finalM = 0; - finish = false; - start = false; - } - - -} diff --git a/gi/posterior-regularisation/prjava/src/util/Pair.java b/gi/posterior-regularisation/prjava/src/util/Pair.java deleted file mode 100644 index 7b1f108d..00000000 --- a/gi/posterior-regularisation/prjava/src/util/Pair.java +++ /dev/null @@ -1,31 +0,0 @@ -package util; - -public class Pair<O1, O2> { - public O1 _first; - public O2 _second; - - public final O1 first() { - return _first; - } - - public final O2 second() { - return _second; - } - - public final void setFirst(O1 value){ - _first = value; - } - - public final void setSecond(O2 value){ - _second = value; - } - - public Pair(O1 first, O2 second) { - _first = first; - _second = second; - } - - public String toString(){ - return _first + " " + _second; - } -} diff --git a/gi/posterior-regularisation/prjava/src/util/Printing.java b/gi/posterior-regularisation/prjava/src/util/Printing.java deleted file mode 100644 index 14fcbe91..00000000 --- a/gi/posterior-regularisation/prjava/src/util/Printing.java +++ /dev/null @@ -1,158 +0,0 @@ -package util; - -public class Printing { - static java.text.DecimalFormat fmt = new java.text.DecimalFormat(); - - public static String padWithSpace(String s, int len){ - StringBuffer sb = new StringBuffer(); - while(sb.length() +s.length() < len){ - sb.append(" "); - } - sb.append(s); - return sb.toString(); - } - - public static String prettyPrint(double d, String patt, int len) { - fmt.applyPattern(patt); - String s = fmt.format(d); - while (s.length() < len) { - s = " " + s; - } - return s; - } - - public static String formatTime(long duration) { - StringBuilder sb = new StringBuilder(); - double d = duration / 1000; - fmt.applyPattern("00"); - sb.append(fmt.format((int) (d / (60 * 60))) + ":"); - d -= ((int) d / (60 * 60)) * 60 * 60; - sb.append(fmt.format((int) (d / 60)) + ":"); - d -= ((int) d / 60) * 60; - fmt.applyPattern("00.0"); - sb.append(fmt.format(d)); - return sb.toString(); - } - - - public static String doubleArrayToString(double[] array, String[] labels, String arrayName) { - StringBuffer res = new StringBuffer(); - res.append(arrayName); - res.append("\n"); - for (int i = 0; i < array.length; i++) { - if (labels == null){ - res.append(i+" \t"); - }else{ - res.append(labels[i]+ "\t"); - } - } - res.append("sum\n"); - double sum = 0; - for (int i = 0; i < array.length; i++) { - res.append(prettyPrint(array[i], - "0.00000E00", 8) + "\t"); - sum+=array[i]; - } - res.append(prettyPrint(sum, - "0.00000E00", 8)+"\n"); - return res.toString(); - } - - - - public static void printDoubleArray(double[] array, String labels[], String arrayName) { - System.out.println(doubleArrayToString(array, labels,arrayName)); - } - - - public static String doubleArrayToString(double[][] array, String[] labels1, String[] labels2, - String arrayName){ - StringBuffer res = new StringBuffer(); - res.append(arrayName); - res.append("\n\t"); - //Calculates the column sum to keeps the sums - double[] sums = new double[array[0].length+1]; - //Prints rows headings - for (int i = 0; i < array[0].length; i++) { - if (labels1 == null){ - res.append(i+" \t"); - }else{ - res.append(labels1[i]+" \t"); - } - } - res.append("sum\n"); - double sum = 0; - //For each row print heading - for (int i = 0; i < array.length; i++) { - if (labels2 == null){ - res.append(i+"\t"); - }else{ - res.append(labels2[i]+"\t"); - } - //Print values for that row - for (int j = 0; j < array[0].length; j++) { - res.append(" " + prettyPrint(array[i][j], - "0.00000E00", 8) + "\t"); - sums[j] += array[i][j]; - sum+=array[i][j]; //Sum all values of that row - } - //Print row sum - res.append(prettyPrint(sum,"0.00000E00", 8)+"\n"); - sums[array[0].length]+=sum; - sum=0; - } - res.append("sum\t"); - //Print values for colums sum - for (int i = 0; i < array[0].length+1; i++) { - res.append(prettyPrint(sums[i],"0.00000E00", 8)+"\t"); - } - res.append("\n"); - return res.toString(); - } - - public static void printDoubleArray(double[][] array, String[] labels1, String[] labels2 - , String arrayName) { - System.out.println(doubleArrayToString(array, labels1,labels2,arrayName)); - } - - - public static void printIntArray(int[][] array, String[] labels1, String[] labels2, String arrayName, - int size1, int size2) { - System.out.println(arrayName); - for (int i = 0; i < size1; i++) { - for (int j = 0; j < size2; j++) { - System.out.print(" " + array[i][j] + " "); - - } - System.out.println(); - } - System.out.println(); - } - - public static String intArrayToString(int[] array, String[] labels, String arrayName) { - StringBuffer res = new StringBuffer(); - res.append(arrayName); - for (int i = 0; i < array.length; i++) { - res.append(" " + array[i] + " "); - - } - res.append("\n"); - return res.toString(); - } - - public static void printIntArray(int[] array, String[] labels, String arrayName) { - System.out.println(intArrayToString(array, labels,arrayName)); - } - - public static String toString(double[][] d){ - StringBuffer sb = new StringBuffer(); - for (int i = 0; i < d.length; i++) { - for (int j = 0; j < d[0].length; j++) { - sb.append(prettyPrint(d[i][j], "0.00E0", 10)); - } - sb.append("\n"); - } - return sb.toString(); - } - -} diff --git a/gi/posterior-regularisation/prjava/src/util/Sorters.java b/gi/posterior-regularisation/prjava/src/util/Sorters.java deleted file mode 100644 index 836444e5..00000000 --- a/gi/posterior-regularisation/prjava/src/util/Sorters.java +++ /dev/null @@ -1,39 +0,0 @@ -package util; - -import java.util.Comparator; - -public class Sorters { - public static class sortWordsCounts implements Comparator{ - - /** - * Sorter for a pair of word id, counts. Sort ascending by counts - */ - public int compare(Object arg0, Object arg1) { - Pair<Integer,Integer> p1 = (Pair<Integer,Integer>)arg0; - Pair<Integer,Integer> p2 = (Pair<Integer,Integer>)arg1; - if(p1.second() > p2.second()){ - return 1; - }else{ - return -1; - } - } - - } - -public static class sortWordsDouble implements Comparator{ - - /** - * Sorter for a pair of word id, counts. Sort by counts - */ - public int compare(Object arg0, Object arg1) { - Pair<Integer,Double> p1 = (Pair<Integer,Double>)arg0; - Pair<Integer,Double> p2 = (Pair<Integer,Double>)arg1; - if(p1.second() < p2.second()){ - return 1; - }else{ - return -1; - } - } - - } -} |