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BabyBirths.java
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BabyBirths.java
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/**
* MiniProject: Parsing the national US baby names data
*
* @version February 16, 2016
*/
package miniproject;
import edu.duke.*;
import org.apache.commons.csv.*;
import java.io.*;
public class BabyBirths {
public void printNames () {
FileResource fr = new FileResource();
for (CSVRecord rec : fr.getCSVParser(false)) {
int numBorn = Integer.parseInt(rec.get(2));
if (numBorn <= 100) {
System.out.println("Name " + rec.get(0) +
" Gender " + rec.get(1) +
" Num Born " + rec.get(2));
}
}
}
public void totalBirths (FileResource fr) {
int totalBirths = 0;
int totalBoys = 0;
int totalGirls = 0;
for (CSVRecord rec : fr.getCSVParser(false)) {
int numBorn = Integer.parseInt(rec.get(2));
totalBirths += numBorn;
if (rec.get(1).equals("M")) {
totalBoys += numBorn;
}
else {
totalGirls += numBorn;
}
}
System.out.println("The total names: " + totalBirths);
System.out.println("The number of unique girls names: " + totalGirls);
System.out.println("The number of unique boys names: " + totalBoys);
}
public void testTotalBirths () {
//FileResource fr = new FileResource();
FileResource fr = new FileResource("babynamedata/us_babynames_by_year/yob2014.csv");
totalBirths(fr);
}
public static int getRank (int year, String name, String gender) {
//FileResource fr = new FileResource();
FileResource fr = new FileResource("babynamedata/us_babynames_test/yob" + String.valueOf(year) +"short.csv");
int pivot = 0;
for (CSVRecord rec : fr.getCSVParser(false)) {
if (rec.get(1).equals(gender)) {
pivot++;
if(rec.get(0).equals(name))
return pivot;
}
}
return 0;
}
public static String getName(int year, int rank, String gender) {
//get the file
FileResource fr = new FileResource("babynamedata/us_babynames_test/yob" + String.valueOf(year) +"short.csv");
int pivot = 0;
//get the CSV file
for(CSVRecord rec : fr.getCSVParser(false)){
if(rec.get(1).equals(gender)){
pivot ++;
if(pivot == rank) return rec.get(0);
}
}//end for CSV record loop;
System.out.println("The rank: " + rank + "... The last one rank " + pivot + ".");
return "NO NAME";
}//end getName() method;
public static void whatIsNameInYear(String name, int year, int newYear, String gender) {
int rank = getRank(year, name, gender);
//System.out.println(name + " ranks " + rank + " at year " + year1);
String equalName = getName(newYear, rank, gender);
if (gender == "F"){
System.out.println( name + " born in " + year + " would be " + equalName + " if she was born in " + newYear);
}
else if (gender == "M"){
//Isabella born in 2012 would be Sophia if she was born in 2014.
System.out.println( name + " born in " + year + " would be " + equalName + " if he was born in " + newYear);
}
}//end whatIsNameInYear() method;
public static int yearOfHighestRank(String name, String gender) {
//initial year and rank;
int rank = 1000000;
int yearHigh = 0;
//get the directory:
DirectoryResource dr = new DirectoryResource();
//get the files
for(File fi : dr.selectedFiles()){
//get the name of the file, which contains the year
String fileName = fi.getName();
//get the year integer from the name of the file
int year = Integer.parseInt(fileName.replaceAll("[\\D]", ""));
//get the FileResource
FileResource fr = new FileResource(fi);
int currRank = -1;
int pivot = 0;
for(CSVRecord record : fr.getCSVParser(false)){
if(record.get(1).equals(gender)) {
pivot++;
if(record.get(0).equals(name)) {
currRank = pivot;
break;
}
}
}//end for loop;
//int currRank = getRank(year, name, gender);
// System.out.println(" At year " + year + " name " + name + " gender " + gender + " ranks " + currRank + ". ");
if(currRank != -1 && currRank < rank){
rank = currRank;
yearHigh = year;
}//end if condition;
}//end for File fi loop;
return yearHigh;
}
public static double getAverageRank(String name, String gender) {
//get director
DirectoryResource dr = new DirectoryResource();
int fileNum = 0;
int totalRank = 0;
for(File fi : dr.selectedFiles()){
fileNum++;
//get the file resource
FileResource fr = new FileResource(fi);
int pivot = 0;
int currRank = 0;
for(CSVRecord record : fr.getCSVParser(false) ){
if(record.get(1).equals(gender)) {
pivot++;
if(record.get(0).equals(name)) {
currRank = pivot;
break;
} //end if record.equals name condition;
}
}//end for Record loop;
totalRank += currRank;
}//end for file loop;
if(totalRank == 0) return -1;
else return (double)(totalRank)/fileNum;
}//end getAverageRank() method;
public static int getTotalBirthsRankedHigher(int year, String name, String gender) {
FileResource fr = new FileResource("babynamedata/us_babynames_test/yob" + String.valueOf(year) +"short.csv");
int sum = 0;
for(CSVRecord record : fr.getCSVParser(false)){
if(record.get(1).equals(gender)){
if(record.get(0).equals(name))
return sum;
sum += Integer.parseInt(record.get(2));
}//end if record euqals gender condition;
}//end for CSV record record;
return sum;
}//end getTotalBirthsRankedHigher() method;
public static void getRankTest() {
System.out.println(getRank(2012, "Mason", "M"));
System.out.println(getRank(2012, "Mason", "F"));
}
public static void whatIsNameInYearTest() {
whatIsNameInYear("Isabella", 2012, 2014, "F");
}
public static void yearOfHighestRankTest() {
System.out.println(yearOfHighestRank("Mason", "M"));
}
public static void getAverageRankTest() {
System.out.println(getAverageRank("Jacob", "M"));
}
public static void getTotalBirthsRankedHigherTest(){
System.out.println(getTotalBirthsRankedHigher(2012, "Ethan", "M"));
}
// test
public static void main(String[] args) {
getRankTest();
whatIsNameInYearTest();
yearOfHighestRankTest();
getAverageRankTest();
getTotalBirthsRankedHigherTest();
}
}