신은섭(Shin Eun Seop) / Detecting_fraud_clicks

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신은섭(Shin Eun Seop)
bee0e9c5 2 parents c8b835bd 30034ba1

Merge branch 'develop' into ml

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import org.apache.spark.sql.Dataset;
import org.apache.spark.sql.Row;
import org.apache.spark.sql.SparkSession;
import org.apache.spark.sql.expressions.Window;
import org.apache.spark.sql.expressions.WindowSpec;
import static org.apache.spark.sql.functions.*;
import static org.apache.spark.sql.functions.lit;
import static org.apache.spark.sql.functions.when;
public class Aggregation {
public static void main(String[] args) throws Exception {
//Create Session
SparkSession spark = SparkSession
.builder()
.appName("Detecting Fraud Clicks")
.master("local")
.getOrCreate();
// Aggregation
Aggregation agg = new Aggregation();
Dataset<Row> dataset = agg.loadCSVDataSet("./train_sample.csv", spark);
dataset = agg.changeTimestempToLong(dataset);
dataset = agg.averageValidClickCount(dataset);
dataset = agg.clickTimeDelta(dataset);
dataset = agg.countClickInTenMinutes(dataset);
//test
dataset.where("ip == '5348' and app == '19'").show(10);
}
private Dataset<Row> loadCSVDataSet(String path, SparkSession spark){
// Read SCV to DataSet
return spark.read().format("csv")
.option("inferSchema", "true")
.option("header", "true")
.load(path);
}
private Dataset<Row> changeTimestempToLong(Dataset<Row> dataset){
// cast timestamp to long
Dataset<Row> newDF = dataset.withColumn("utc_click_time", dataset.col("click_time").cast("long"));
newDF = newDF.withColumn("utc_attributed_time", dataset.col("attributed_time").cast("long"));
newDF = newDF.drop("click_time").drop("attributed_time");
return newDF;
}
private Dataset<Row> averageValidClickCount(Dataset<Row> dataset){
// set Window partition by 'ip' and 'app' order by 'utc_click_time' select rows between 1st row to current row
WindowSpec w = Window.partitionBy("ip", "app")
.orderBy("utc_click_time")
.rowsBetween(Window.unboundedPreceding(), Window.currentRow());
// aggregation
Dataset<Row> newDF = dataset.withColumn("cum_count_click", count("utc_click_time").over(w));
newDF = newDF.withColumn("cum_sum_attributed", sum("is_attributed").over(w));
newDF = newDF.withColumn("avg_valid_click_count", col("cum_sum_attributed").divide(col("cum_count_click")));
newDF = newDF.drop("cum_count_click", "cum_sum_attributed");
return newDF;
}
private Dataset<Row> clickTimeDelta(Dataset<Row> dataset){
WindowSpec w = Window.partitionBy ("ip")
.orderBy("utc_click_time");
Dataset<Row> newDF = dataset.withColumn("lag(utc_click_time)", lag("utc_click_time",1).over(w));
newDF = newDF.withColumn("click_time_delta", when(col("lag(utc_click_time)").isNull(),
lit(0)).otherwise(col("utc_click_time")).minus(when(col("lag(utc_click_time)").isNull(),
lit(0)).otherwise(col("lag(utc_click_time)"))));
newDF = newDF.drop("lag(utc_click_time)");
return newDF;
}
private Dataset<Row> countClickInTenMinutes(Dataset<Row> dataset){
WindowSpec w = Window.partitionBy("ip")
.orderBy("utc_click_time")
.rangeBetween(Window.currentRow(),Window.currentRow()+600);
Dataset<Row> newDF = dataset.withColumn("count_click_in_ten_mins",
(count("utc_click_time").over(w)).minus(1)); //TODO 본인것 포함할 것인지 정해야함.
return newDF;
}
}
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
/**
* Calendar 객체 관련 기능들을 모아놓은 유틸리티 클래스
*
* @author croute
* @since 2011.02.10
*/
public class DateUtil
{
/**
* 캘린더 객체를 yyyy-MM-dd HH:mm:ss 형태의 문자열로 변환합니다.
*
* @param cal 캘린더 객체
* @return 변환된 문자열
*/
public static String StringFromCalendar(Calendar cal)
{
// 날짜를 통신용 문자열로 변경
SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
return formatter.format(cal.getTime());
}
/**
* 캘린더 객체를 yyyy-MM-dd형태의 문자열로 변환합니다.
*
* @param cal 캘린더 객체
* @return 변환된 문자열
*/
public static String StringSimpleFromCalendar(Calendar cal)
{
// 날짜를 통신용 문자열로 변경
SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");
return formatter.format(cal.getTime());
}
/**
* yyyy-MM-dd HH:mm:ss 형태의 문자열을 캘린더 객체로 변환합니다.
* 만약 변환에 실패할 경우 오늘 날짜를 반환합니다.
*
* @param date 날짜를 나타내는 문자열
* @return 변환된 캘린더 객체
*/
public static Calendar CalendarFromString(String date)
{
if (date.length() == 0)
return null;
Calendar cal = Calendar.getInstance();
try
{
//String oldstring = "2011-01-18 00:00:00.0";
// Date date = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.S").parse(oldstring);
SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
cal.setTime(formatter.parse(date));
}
catch(ParseException e)
{
e.printStackTrace();
}
return cal;
}
/**
* yyyy-MM-dd 형태의 문자열을 캘린더 객체로 변환합니다.
* 만약 변환에 실패할 경우 오늘 날짜를 반환합니다.
*
* @param date 날짜를 나타내는 문자열
* @return 변환된 캘린더 객체
*/
public static Calendar CalendarFromStringSimple(String date)
{
Calendar cal = Calendar.getInstance();
try
{
SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");
cal.setTime(formatter.parse(date));
}
catch(ParseException e)
{
e.printStackTrace();
}
return cal;
}
}
\ No newline at end of file
......@@ -22,22 +22,6 @@ import java.util.*;
// ml
//ip,app,device,os,channel,click_time,attributed_time,is_attributed
//87540,12,1,13,497,2017-11-07 09:30:38,,0
class RecordComparator implements Comparator<Record> {
@Override
public int compare(Record v1 , Record v2) {
// if(a.ano < b.ano) return -1;
// else if(a.ano == b.ano) return 0;
// else return 1;
if (v1.ip.compareTo(v2.ip) == 0) {
return v1.clickTime.compareTo(v2.clickTime);
}
return v1.ip.compareTo(v2.ip);
}
}
public class MapExample {
static SparkConf conf = new SparkConf().setMaster("local[*]").setAppName("Cesco");
......@@ -45,122 +29,10 @@ public class MapExample {
static SQLContext sqlContext = new SQLContext(sc);
public static void main(String[] args) throws Exception {
JavaRDD<String> file = sc.textFile("data/train.csv", 1);
final String header = file.first();
JavaRDD<String> data = file.filter(line -> !line.equalsIgnoreCase(header));
JavaRDD<Record> records = data.map(line -> {
String[] fields = line.split(",");
Record sd = new Record(Integer.parseInt(fields[0]), Integer.parseInt(fields[1]), Integer.parseInt(fields[2]), Integer.parseInt(fields[3]), Integer.parseInt(fields[4]), fields[5], fields[6], Integer.parseInt(fields[7].trim()));
return sd;
});
// JavaRDD<Tuple4<Integer,Double,Long,Integer>> secondSortRDD = firstSortRDD.keyBy(new Function<Tuple4<Integer, Double, Long, Integer>, Tuple2<Double, Long>>(){
// @Override
// public Tuple2<Double, Long> call(Tuple4<Integer, Double, Long, Integer> value) throws Exception {
// return new Tuple2(value._2(),value._3());
// }}).sortByKey(new TupleComparator()).values();
JavaRDD<Record> firstSorted = records.sortBy(new Function<Record, String>() {
@Override
public String call(Record record) throws Exception {
return record.clickTime;
}
}, true, 1);
JavaRDD<Record> sortedRecords = firstSorted.sortBy(new Function<Record, Integer>() {
@Override
public Integer call(Record record) throws Exception {
return record.ip.intValue();
}
}, true, 1);
/*
//두개를 한번에 정렬해보려 했지만 실패
JavaRDD<Record> sortedRecords = records.keyBy(new Function<Record, Record>(){
@Override
public Record call(Record record) throws Exception {
return new Record(record.ip, record.app, record.device, record.os, record.channel, record.clickTime, record.attributedTime, record.isAttributed);
}}).sortByKey(new RecordComparator()).values();
*/
// System.out.println("sortedRecords");
// sortedRecords.foreach(record -> {System.out.println(record.ip + " " + record.clickTime.getTime());});
// System.out.println("make result");
/*
//map의 다음것을 가져오려했지만 실패
JavaRDD<Record> result = sortedRecords.map(record -> {
System.out.println("make addTen");
Calendar addTen = Calendar.getInstance();
addTen.setTime(record.clickTime.getTime());
addTen.add(Calendar.MINUTE, 10);
System.out.println("make count");
int count = 0;
for (Record temp: sortedRecords.collect()) {
if (temp.ip.compareTo(record.ip) == 0 && temp.clickTime.compareTo(record.clickTime) > 0 && temp.clickTime.compareTo(addTen)< 0)
count++;
}
return new Record(record.ip, record.app, record.device, record.os, record.channel, record.clickTime, record.attributedTime, record.isAttributed, count);
});
*/
// System.out.println("result");
// result.foreach(record -> {System.out.println(record.ip + " " + record.clickTime.getTime());});
/*
for (final ListIterator<String> it = list.listIterator(); it.hasNext();) {
final String s = it.next();
System.out.println(it.previousIndex() + ": " + s);
}
for (ListIterator<Record> it = sortedRecords.collect().listIterator(); it.hasNext(); it = it.nextIndex()) {
it.
if (temp.ip.compareTo(record.ip) == 0 && temp.clickTime.compareTo(record.clickTime) > 0 && temp.clickTime.compareTo(addTen)< 0)
count++;
}
*/
List<Record> list = sortedRecords.collect();
List<Record> resultList = new ArrayList<Record>();
for (int i = 0; i < list.size(); i++) {
//System.out.println(list.get(i).ip);
Record record = list.get(i);
Calendar recordI = DateUtil.CalendarFromString(record.clickTime);
Calendar addTen = Calendar.getInstance();
addTen.setTime(recordI.getTime());
addTen.add(Calendar.MINUTE, 10);
int count = 0;
for (int j = i+1; j < list.size() && list.get(j).ip.compareTo(record.ip) == 0; j++) {
Calendar recordJ = DateUtil.CalendarFromString(list.get(j).clickTime);
if (recordJ.compareTo(recordI) > 0 && recordJ.compareTo(addTen) < 0) {
count++;
} else {
break;
}
}
resultList.add(new Record(record.ip, record.app, record.device, record.os, record.channel, record.clickTime, record.attributedTime, record.isAttributed, count));
}
JavaRDD<Record> result = sc.parallelize(resultList);
// result.foreach(record -> {System.out.println(record.ip + " " + record.clickTime.getTime() + " " + record.clickInTenMins);});
// Automatically identify categorical features, and index them.
// Set maxCategories so features with > 4 distinct values are treated as continuous.
Dataset<Row> resultds = sqlContext.createDataFrame(result, Record.class);
Dataset<Row> resultds = sqlContext.createDataFrame(result);
System.out.println("schema start");
resultds.printSchema();
......
import scala.Serializable;
public class Record implements Serializable {
Integer ip;
Integer app;
Integer device;
Integer os;
Integer channel;
String clickTime;
String attributedTime;
Integer isAttributed;
Integer clickInTenMins;
// constructor , getters and setters
public Record(int pIp, int pApp, int pDevice, int pOs, int pChannel, String pClickTime, String pAttributedTime, Integer pIsAttributed) {
ip = new Integer(pIp);
app = new Integer(pApp);
device = new Integer(pDevice);
os = new Integer(pOs);
channel = new Integer(pChannel);
clickTime = pClickTime;
attributedTime = pAttributedTime;
isAttributed = new Integer(pIsAttributed);
clickInTenMins = new Integer(0);
}
public Record(int pIp, int pApp, int pDevice, int pOs, int pChannel, String pClickTime, String pAttributedTime, Integer pIsAttributed, int pClickInTenMins) {
ip = new Integer(pIp);
app = new Integer(pApp);
device = new Integer(pDevice);
os = new Integer(pOs);
channel = new Integer(pChannel);
clickTime = pClickTime;
attributedTime = pAttributedTime;
isAttributed = new Integer(pIsAttributed);
clickInTenMins = new Integer(pClickInTenMins);
}
public Integer getIp() {
return ip;
}
public void setIp(Integer ip) {
this.ip = ip;
}
public Integer getApp() {
return app;
}
public void setApp(Integer app) {
this.app = app;
}
public Integer getDevice() {
return device;
}
public void setDevice(Integer device) {
this.device = device;
}
public Integer getOs() {
return os;
}
public void setOs(Integer os) {
this.os = os;
}
public Integer getChannel() {
return channel;
}
public void setChannel(Integer channel) {
this.channel = channel;
}
public String getClickTime() {
return clickTime;
}
public void setClickTime(String clickTime) {
this.clickTime = clickTime;
}
public String getAttributedTime() {
return attributedTime;
}
public void setAttributedTime(String attributedTime) {
this.attributedTime = attributedTime;
}
public Integer getAttributed() {
return isAttributed;
}
public void setAttributed(Integer attributed) {
isAttributed = attributed;
}
public Integer getClickInTenMins() {
return clickInTenMins;
}
public void setClickInTenMins(Integer clickInTenMins) {
this.clickInTenMins = clickInTenMins;
}
}
\ No newline at end of file
public class valid {
private int x;
valid() {
x = 0;
}
void printX(){
System.out.println(x);
}
public static void main(String[] args){
valid v = new valid();
v.printX();
}
}
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