HW#3_Mengting_Yu

lab/lab1/part1-array-access.html

@@ -74,10 +74,19 @@
     Start code
 
     ===================== */
+    var restaurantData = [
+      [39.953761, -75.193587, 'White Dog Cafe'],
+      [39.890218, -75.177059, 'Honey Grow'],
+      [39.958091, -75.225286, 'Just Salad']
+    ]
+
+    restaurantData.push([39.958125, -75.235425, 'KFC'], [39.956784, -75.189457, 'Spring Chinese']);
+
+    for (i = 0; i<restaurantData.length; i++) {
+        L.marker([restaurantData[i][0],restaurantData[i][1]]).addTo(map).bindPopup("<b>" + restaurantData[i][2] + "</b>");
+      }
+
 
-    L.marker([0, 0]).addTo(map);
-    L.marker([0, 0]).addTo(map);
-    L.marker([0, 0]).addTo(map);
 
     /* =====================
 

lab/lab1/part2-fizzbuzz.html

@@ -26,7 +26,22 @@
     Start code
 
     ===================== */
-
+    var num = [];
+    for (i = 1; i<=100; i++) {
+      if (i % 3 === 0) {
+        num.push('Fizz')
+      }
+      else if (i % 5 === 0) {
+        num.push('Buzz')
+      }
+      else if (i % 15 === 0) {
+        num.push('FizzBuzz')
+      }
+      else {
+        num.push(i)
+      }
+    }
+    console.log(num)
 
 
     /* =====================

lab/lab1/part3-data-transformation.html

@@ -13,8 +13,8 @@
 
     <!--javascript imports-->
     <script src="leaflet.js"></script>
-    <script src="part4-data-clean.js"></script>
-    <script src="part4-data-dirty.js"></script>
+    <script src="part3-data-clean.js"></script>
+    <script src="part3-data-dirty.js"></script>
 
     <script>
 
@@ -62,15 +62,45 @@
     if their formatting is especially wrong. But it should accommodate most points.
 
     ===================== */
-
-    var data = bikeArrayClean;
+    //var data = bikeArrayClean;
+    var data = bikeArrayDirty;
 
     /* =====================
 
     Start code to filter data
 
     ===================== */
-
+    //Clean data
+    /*var dataFiltered = [];
+    for (i = 0; i<data.length; i++) {
+      if (data[i][3]>=20) {
+        dataFiltered.push(data[i])
+      }
+    }
+    console.log(dataFiltered)*/
+
+    //Dirty data
+    var dataFiltered = [];
+    for (i = 0; i<data.length; i++) {
+      if (data[i].length==5) {
+        delete data[i][0]
+        data[i][0] = Number(data[i][0])
+        data[i][1] = Number(data[i][1])
+        data[i][3] = parseInt(data[i][3], 10)
+        if (data[i][3]>20) {
+          dataFiltered.push(data[i])
+        }
+      }
+      else if (data[i].length==4) {
+        data[i][0] = Number(data[i][0])
+        data[i][1] = Number(data[i][1])
+        data[i][3] = parseInt(data[i][3], 10)
+        if (data[i][3]>=20) {
+          dataFiltered.push(data[i])
+        }
+      }
+    }
+    console.log(dataFiltered)
 
 
     /* =====================
@@ -98,6 +128,10 @@
 
     ===================== */
 
+    for (i = 0; i<dataFiltered.length; i++) {
+        L.marker([dataFiltered[i][1],dataFiltered[i][0]]).addTo(map).bindPopup("<b>" + dataFiltered[i][2] + ', ' + dataFiltered[i][3] + ' docks' + "</b>");
+      }
+
 
 
     /* =====================

lab/lab1/part4-project-euler.html

@@ -31,6 +31,38 @@
     Start code
 
     ===================== */
+    //Problem 1
+    let sum = 0;
+    for (i = 0; i < 1000; i++) {
+      if (i % 3 === 0) {
+        sum += i
+      }
+      else if (i % 5 === 0) {
+        sum += i
+      }
+    }
+    console.log(sum)
+
+    //Problem 2
+    function fibonacci(num) {
+    if (num <= 1) return 1;
+    else {
+      return fibonacci(num - 1) + fibonacci(num - 2);
+    }
+  }
+
+    let a = 1;
+    let n = 0;
+    while (fibonacci(a)<4000000) {
+      if (fibonacci(a) % 2===0) {
+        n += fibonacci(a)
+      }
+      a++;
+    }
+    console.log(n)
+    console.log(a)
+    console.log(fibonacci(a))
+
 
 
 

lab/lab2/part1.js

@@ -18,62 +18,63 @@ console.log('Nathan\'s list', nathanGameList);
 What is the first game in Ross's list?
 ===================== */
 
-var query1;
+
+var query1 = _.first(rossGameList);
 
 console.log('What is the first game in Ross\'s list?', query1);
 
 /* =====================
 What are all of the games except for the first game in ross's list?
 ===================== */
 
-var query2;
+var query2 = _.rest(rossGameList);
 
 console.log('What are all of the games except for the first game in Ross\'s list?', query2);
 
 /* =====================
 What is the last game in Nathan's list?
 ===================== */
 
-var query3;
+var query3 = _.last(nathanGameList);
 
 console.log('What is the last game in Nathan\'s list?', query3);
 
 /* =====================
 What are all of the games in Nathan's list except for the last?
 ===================== */
 
-var query4;
+var query4 = _.initial(nathanGameList);
 
 console.log('What are all of the games in Nathan\'s list except for the last?', query4);
 
 /* =====================
 What would Nathan's game list look like if he sold "catan"?
 ===================== */
 
-var query5;
+var query5 = _.without(nathanGameList, "catan");
 
 console.log('What would Nathan\'s game list look like if he sold "catan"?', query5);
 
 /* =====================
 If Nathan and Ross play a board game, what are their options? This should be a list of all games owned by ross or Nathan, with no duplicates.
 ===================== */
 
-var query6;
+var query6 = _.union(rossGameList, nathanGameList);
 
 console.log('If Nathan and Ross play a board game, what are their options? This should be a list of all games owned by ross or Nathan, with no duplicates.', query6);
 
 /* =====================
 Which games are owned by both Ross and Nathan?
 ===================== */
 
-var query7;
+var query7 = _.intersection(rossGameList, nathanGameList);
 
 console.log('Which games are owned by both Ross and Nathan', query7);
 
 /* =====================
 Which games are exclusive to collections? In other words, only owned by either Ross or Nathan.
 ===================== */
 
-var query8;
+var query8 = _.union(_.difference(rossGameList, nathanGameList), _.difference(nathanGameList, rossGameList));
 
 console.log('Which games are exclusive to one collection? In other words, only owned by either Ross or Nathan (but not both!).', query8);

lab/lab2/part4-underscore-refactor.js

@@ -1,4 +1,4 @@
-(function(){
+(function () {
 
   var map = L.map('map', {
     center: [39.9522, -75.1639],
@@ -30,9 +30,76 @@
   // Filter according to enrollment that is greater than this variable:
   var minEnrollment = 300;
 
+  // refactored codes of clean data
+  schools = _.each(schools, function(s) {
+    if (_.isString(s.ZIPCODE)) {
+      split = s.ZIPCODE.split(' ');
+      normalized_zip = parseInt(split[0]);
+      s.ZIPCODE = normalized_zip;
+    }
+  });
+
+  schools = _.each(schools, function(g) {
+    if (_.isNumber(g.GRADE_ORG)) {
+      g.HAS_KINDERGARTEN = g.GRADE_LEVEL < 1;
+      g.HAS_ELEMENTARY = 1 < g.GRADE_LEVEL < 6;
+      g.HAS_MIDDLE_SCHOOL = 5 < g.GRADE_LEVEL < 9;
+      g.HAS_HIGH_SCHOOL = 8 < g.GRADE_LEVEL < 13;
+    }
+    else if (!_.isNumber(g.GRADE_ORG)) {
+      g.HAS_KINDERGARTEN = g.GRADE_LEVEL.toUpperCase().indexOf('K') >= 0;
+      g.HAS_ELEMENTARY = g.GRADE_LEVEL.toUpperCase().indexOf('ELEM') >= 0;
+      g.HAS_MIDDLE_SCHOOL = g.GRADE_LEVEL.toUpperCase().indexOf('MID') >= 0;
+      g.HAS_HIGH_SCHOOL = g.GRADE_LEVEL.toUpperCase().indexOf('HIGH') >= 0;
+    }
+  });
+
+  // refactored codes of filter data
+    var filtered_data = _.filter(schools, function(f) {
+      isOpen = f.ACTIVE.toUpperCase() == 'OPEN';
+      isPublic = (f.TYPE.toUpperCase() !== 'CHARTER' ||
+                  f.TYPE.toUpperCase() !== 'PRIVATE');
+      isSchool = (f.HAS_KINDERGARTEN ||
+                  f.HAS_ELEMENTARY ||
+                  f.HAS_MIDDLE_SCHOOL ||
+                  f.HAS_HIGH_SCHOOL);
+      meetsMinimumEnrollment = f.ENROLLMENT > minEnrollment;
+      meetsZipCondition = acceptedZipcodes.indexOf(f.ZIPCODE) >= 0;
+      filter_condition = (isOpen &&
+                          isSchool &&
+                          meetsMinimumEnrollment &&
+                          !meetsZipCondition);
+                          return filter_condition;
+    });
+    var filtered_out = _.difference(schools, filtered_data);
+
+  console.log('Included:', filtered_data.length);
+  console.log('Excluded:', filtered_out.length);
 
+  // refactored codes of main loop
+  _.each(filtered_data, function(c) {
+    isOpen = c.ACTIVE.toUpperCase() == 'OPEN';
+    isPublic = (c.TYPE.toUpperCase() !== 'CHARTER' ||
+                c.TYPE.toUpperCase() !== 'PRIVATE');
+    meetsMinimumEnrollment = c.ENROLLMENT > minEnrollment;
+    if (c.HAS_HIGH_SCHOOL) {
+      color = '#0000FF';
+    }
+    else if (c.HAS_MIDDLE_SCHOOL) {
+      color = '#00FF00';
+    }
+    else {
+      color = '##FF0000';
+    }
+    pathOpts = {'radius': c.ENROLLMENT / 30,
+                    'fillColor': color};
+    L.circleMarker([c.Y, c.X], pathOpts)
+      .bindPopup(c.FACILNAME_LABEL)
+      .addTo(map);
+  });
+
   // clean data
-  for (var i = 0; i < schools.length - 1; i++) {
+  /*for (var i = 0; i < schools.length - 1; i++) {
     // If we have '19104 - 1234', splitting and taking the first (0th) element
     // as an integer should yield a zip in the format above
     if (typeof schools[i].ZIPCODE === 'string') {
@@ -97,14 +164,14 @@
     } else if (filtered_data[i].HAS_MIDDLE_SCHOOL) {
       color = '#00FF00';
     } else {
-      color = '##FF0000';
+      color = '##FF0000'
     }
     // The style options
     var pathOpts = {'radius': filtered_data[i].ENROLLMENT / 30,
                     'fillColor': color};
     L.circleMarker([filtered_data[i].Y, filtered_data[i].X], pathOpts)
       .bindPopup(filtered_data[i].FACILNAME_LABEL)
       .addTo(map);
-  }
+  }*/
 
 })();