Java Doc for Stats.java in  » Parser » antlr-3.0.1 » org » antlr » runtime » misc » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Parser » antlr 3.0.1 » org.antlr.runtime.misc   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    org.antlr.runtime.misc.Stats Stats public class Stats (Code) Stats routines needed by profiler etc... // note that these routines return 0.0 if no values exist in the X[] // which is not "correct", but it is useful so I don't generate NaN // in my output Field Summary final public static  String ANTLRWORKS_DIR      Method Summary public static  double avg(int[] X)      public static  String getAbsoluteFileName(String filename)      public static  int max(int[] X)      public static  int min(int[] X)      public static  double stddev(int[] X)      Compute the sample (unbiased estimator) standard deviation following: Computing Deviations: Standard Accuracy Tony F. public static  int sum(int[] X)      public static  void writeReport(String filename, String data)      Field Detail ANTLRWORKS_DIR final public static String ANTLRWORKS_DIR(Code) Method Detail avg public static double avg(int[] X)(Code) Compute the sample mean getAbsoluteFileName public static String getAbsoluteFileName(String filename)(Code) max public static int max(int[] X)(Code) min public static int min(int[] X)(Code) stddev public static double stddev(int[] X)(Code) Compute the sample (unbiased estimator) standard deviation following: Computing Deviations: Standard Accuracy Tony F. Chan and John Gregg Lewis Stanford University Communications of ACM September 1979 of Volume 22 the ACM Number 9 The "two-pass" method from the paper; supposed to have better numerical properties than the textbook summation/sqrt. To me this looks like the textbook method, but I ain't no numerical methods guy. sum public static int sum(int[] X)(Code) writeReport public static void writeReport(String filename, String data) throws IOException(Code) Methods inherited from java.lang.Object native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc) public boolean equals(Object obj)(Code)(Java Doc) protected void finalize() throws Throwable(Code)(Java Doc) final native public Class getClass()(Code)(Java Doc) native public int hashCode()(Code)(Java Doc) final native public void notify()(Code)(Java Doc) final native public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc) final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)