1 files changed, 0 insertions, 144 deletions
diff --git a/src/Chapter5/trends/ControlChartExample.java b/src/Chapter5/trends/ControlChartExample.java
deleted file mode 100644
index 2df814f..0000000
--- a/src/Chapter5/trends/ControlChartExample.java
+++ /dev/null
@@ -1,144 +0,0 @@
-/* TweetTracker. Copyright (c) Arizona Board of Regents on behalf of Arizona State University
- * @author shamanth
- */
-package Chapter5.trends;
-
-import java.io.BufferedReader;
-import java.io.File;
-import java.io.FileInputStream;
-import java.io.IOException;
-import java.io.InputStreamReader;
-import java.text.ParseException;
-import java.text.SimpleDateFormat;
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.Date;
-import java.util.HashMap;
-import java.util.Set;
-import java.util.logging.Level;
-import java.util.logging.Logger;
-import org.json.JSONArray;
-import org.json.JSONException;
-import org.json.JSONObject;
-
-public class ControlChartExample
-{
-    static final String DEF_INFILENAME = "ows.json";
-    static final SimpleDateFormat SDM = new SimpleDateFormat("dd MMM yyyy HH:mm");
-
-    public JSONArray GenerateDataTrend(String inFilename)
-    {
-        BufferedReader br = null;
-        JSONArray result = new JSONArray();
-        HashMap<String,Integer> datecount = new HashMap<String,Integer>();
-        try{
-            br= new BufferedReader(new InputStreamReader(new FileInputStream(inFilename),"UTF-8"));
-            String temp = "";
-            while((temp = br.readLine())!=null)
-            {
-                try {
-                    JSONObject jobj = new JSONObject(temp);
-                    long timestamp = jobj.getLong("timestamp");
-                    Date d = new Date(timestamp);
-                    String strdate = SDM.format(d);
-                    if(datecount.containsKey(strdate))
-                    {
-                        datecount.put(strdate, datecount.get(strdate)+1);
-                    }
-                    else
-                    {
-                        datecount.put(strdate, 1);
-                    }
-                } catch (JSONException ex) {
-                    Logger.getLogger(ControlChartExample.class.getName()).log(Level.SEVERE, null, ex);
-                }
-            }
-            ArrayList<DateInfo> dinfos = new ArrayList<DateInfo>();
-            Set<String> keys = datecount.keySet();
-            for(String key:keys)
-            {
-                DateInfo dinfo = new DateInfo();
-                try {
-                    dinfo.d = SDM.parse(key);
-                } catch (ParseException ex) {
-                    ex.printStackTrace();
-                    continue;
-                }
-                dinfo.count = datecount.get(key);
-                dinfos.add(dinfo);
-            }
-            double mean = this.GetMean(dinfos);
-            double stddev = this.GetStandardDev(dinfos, mean);
-            Collections.sort(dinfos);
-            //Normalize the trend by subtracting the mean and dividing by standard deviation to get a distribution with 0 mean and a standard deviation of 1
-            for(DateInfo dinfo:dinfos)
-            {
-                try{
-                    JSONObject jobj = new JSONObject();
-                    jobj.put("date", SDM.format(dinfo.d));
-                    jobj.put("count", (dinfo.count-mean)/stddev);
-                    jobj.put("mean", 0);
-                    jobj.put("stdev+3", 3);
-                    jobj.put("stdev-3", -3);
-                    result.put(jobj);
-                }catch(JSONException ex)
-                {
-                    ex.printStackTrace();
-                }
-            }
-        }catch(IOException ex)
-        {
-            ex.printStackTrace();
-        }finally{
-            try {
-                br.close();
-            } catch (IOException ex) {
-                Logger.getLogger(ControlChartExample.class.getName()).log(Level.SEVERE, null, ex);
-            }
-        }
-        return result;
-    }
-
-     public double GetStandardDev(ArrayList<DateInfo> dateinfos,double mean)
-    {
-        double intsum = 0;
-        int numperiods = dateinfos.size();
-        for(DateInfo dinfo:dateinfos)
-        {
-            intsum+=Math.pow((dinfo.count - mean),2);
-        }
-//        System.out.println(Math.sqrt((double)intsum/timePeriodCounts.size()));
-        return Math.sqrt((double)intsum/numperiods);
-    }
-
-    public double GetMean(ArrayList<DateInfo> dateinfos)
-    {       
-        int numperiods = dateinfos.size();
-        int sum = 0;
-        for(DateInfo dinfo:dateinfos)
-        {
-            sum +=dinfo.count;
-        }
-//        System.out.println((double)sum/numPeriods);
-        return ((double)sum/numperiods);
-    }
-
-    public static void main(String[] args)
-    {
-        ControlChartExample cce = new ControlChartExample();
-        String infilename = DEF_INFILENAME;
-        if(args!=null)
-        {
-            if(args.length>=1&&!args[0].isEmpty())
-            {
-                File fl = new File(args[0]);
-                if(fl.exists())
-                {
-                    infilename = args[0];
-                }
-            }
-        }
-        System.out.println(cce.GenerateDataTrend(infilename));
-    }
-
-}