Week3 Yufei Yuan

lab/lab1/part1-array-access.html

@@ -79,6 +79,14 @@
     L.marker([0, 0]).addTo(map);
     L.marker([0, 0]).addTo(map);
 
+var header = ['lat','lng','label'];
+var TempArr = [[39.952238, -75.201702,'Top1'],[39.952927, -75.217711,'Top2'],[39.944143, -75.174881,'Top3']];
+TempArr.unshift(header);
+for (i=0; i < TempArr.length; i++){console.log(TempArr[i])};
+var makeAMarker = (obj) => {return L.marker([obj[0], obj[1]]).bindPopup(obj[2])}
+for (var i=1; i <= TempArr.length; i++){ makeAMarker(TempArr[i]).addTo(map) }
+
+
     /* =====================
 
     End code

lab/lab1/part2-fizzbuzz.html

@@ -27,6 +27,20 @@
 
     ===================== */
 
+var num = []
+
+for (i=1; i<=100; i++){
+  if(i%15===0){
+    num.push('FizzBuzz');
+  } else if (i%5===0){
+    num.push('Buzz');
+  } else if (i%3===0){
+    num.push('Fizz');
+  } 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>
 
@@ -70,9 +70,28 @@
     Start code to filter data
 
     ===================== */
-
-
-
+//for clean data
+var dataFiltered = []
+if (i=1,i<=data.length,i++){
+  if (data[i][3]>20){
+    dataFiltered.push(data[i])
+  }
+}
+console.log(dataFiltered);
+
+/* working with dirty data
+var data = bikeArrayDirty
+var dataFiltered = []
+var DataFilter = (dataArr) => {
+  for (let i=0; i<data.length; i++){
+    if (parseFloat(data[i][3]>20){
+        dataFiltered.push(data[i])
+    }
+  }
+}
+DataFilter(data);
+console.log(dataFiltered)
+*/
     /* =====================
 
     End code to filter data
@@ -98,7 +117,8 @@
 
     ===================== */
 
-
+    var makeAMarker = (obj) => {return L.marker([obj[0], obj[1]]).bindPopup(obj[2]+obj[3]).openPopup()}
+    for (var i=0; i < dataFiltered.length; i++){ makeAMarker(dataFiltered[i]).addTo(map) }
 
     /* =====================
 

lab/lab1/part4-project-euler.html

@@ -31,9 +31,37 @@
     Start code
 
     ===================== */
-
-
-
+//problem 1
+var numArr = []
+for (let i = 1; i<1000; i++){
+  if (i%3===0){
+    numArr.push(i);
+  } else if (i%5===0){
+    numArr.push(i);
+  }
+}
+let numSum=0
+for (let i=0; i<numArr.length; i++){
+  numSum=numSum+numArr[i];
+}
+console.log(numSum);
+
+//problem 2
+const arrSum = arr => arr.reduce((a,b) => a + b, 0)
+var numArr2 = [1,2];
+let x = 1;
+let y = 2;
+let evenSum = 2
+while (arrSum(numArr2) < 4000000){
+  let z = x + y
+  if (z%2===0){
+    evenSum = evenSum + z;
+  }
+  numArr2.push(z);
+  x = y;
+  y = z;
+}
+console.log(evenSum);
     /* =====================
 
     End code

lab/lab2/part1.js

@@ -18,62 +18,54 @@ 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(rossGameList, nathanGameList));
 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

@@ -41,13 +41,22 @@
       schools[i].ZIPCODE = normalized_zip;
     }
 
+//refactor clean data
+schools = _.each(schools, function(a){
+  if (_.isString(a.ZIPCODE)){
+    split = a.ZIPCODE.split(' ');
+    normalized_zip = parseInt(split[0]);
+    a.ZIPCODE = normalized_zip;
+  }
+});
+
     // Check out the use of typeof here — this was not a contrived example.
     // Someone actually messed up the data entry
     if (typeof schools[i].GRADE_ORG === 'number') {  // if number
       schools[i].HAS_KINDERGARTEN = schools[i].GRADE_LEVEL < 1;
       schools[i].HAS_ELEMENTARY = 1 < schools[i].GRADE_LEVEL < 6;
       schools[i].HAS_MIDDLE_SCHOOL = 5 < schools[i].GRADE_LEVEL < 9;
-      schools[i].HAS_HIGH_SCHOOL = 8 < schools[i].GRADE_LEVEL < 13;
+      schools[i].HAS_HIGH99_SCHOOL = 8 < schools[i].GRADE_LEVEL < 13;
     } else {  // otherwise (in case of string)
       schools[i].HAS_KINDERGARTEN = schools[i].GRADE_LEVEL.toUpperCase().indexOf('K') >= 0;
       schools[i].HAS_ELEMENTARY = schools[i].GRADE_LEVEL.toUpperCase().indexOf('ELEM') >= 0;
@@ -56,6 +65,16 @@
     }
   }
 
+//refactor typeof
+schools = _.each(schools, function(b){
+  if (_.number(b.GRADE_ORG)){
+    b.HAS_KINDERGARTEN = b.GRADE_LEVEL < 1;
+    b.HAS_ELEMENTARY = 1 < b.GRADE_LEVEL < 6;
+    b.HAS_MIDDLE_SCHOOL = 5 < b.GRADE_LEVEL < 9;
+    b.HAS_HIGH99_SCHOOL = 8 < b.GRADE_LEVEL < 13;
+  }
+});
+
   // filter data
   var filtered_data = [];
   var filtered_out = [];
@@ -83,6 +102,26 @@
   console.log('Included:', filtered_data.length);
   console.log('Excluded:', filtered_out.length);
 
+//refactor filter filter data
+var filtered_data = _.filter(schools, function(c){
+  isOpen = c.ACTIVE.toUpperCase() == 'OPEN';
+  isPublic = (c.TYPE.toUpperCase() !== 'CHARTER' ||
+              c.TYPE.toUpperCase() !== 'PRIVATE');
+  isSchool = (c.HAS_KINDERGARTEN ||
+              c.HAS_ELEMENTARY ||
+              c.HAS_MIDDLE_SCHOOL ||
+              c.HAS_HIGH_SCHOOL);
+  meetsMinimumEnrollment = c.ENROLLMENT > minEnrollment;
+  meetsZipCondition = acceptedZipcodes.indexOf(c.ZIPCODE) >= 0;
+  filter_condition = (isOpen &&
+                      isSchool &&
+                      meetsMinimumEnrollment &&
+                      !meetsZipCondition);
+});
+filtered_out = _.difference(school,filtered_out);
+console.log('Included:', filtered_data.length);
+console.log('Excluded:', filtered_out.length);
+
   // main loop
   var color;
   for (var i = 0; i < filtered_data.length - 1; i++) {
@@ -108,3 +147,21 @@
   }
 
 })();
+
+//refactor main loop
+  var color;
+  _.each(filtered_data, function(d){
+    isOpen = d.ACTIVE.toUpperCase() == 'OPEN';
+    isPublic = d.TYPE.toUpperCase() !== 'CHARTER' || d.TYPE.toUpperCase() !== 'PRIVATE');
+    meetsMinimumEnrollment = d.ENROLLMENT > minEnrollment;
+    if (d.HAS_HIGH_SCHOOL){
+      color = '#0000FF';
+    } else if (d.HAS_MIDDLE_SCHOOL) {
+      color = '#00FF00';
+    } else {
+      color = '##FF0000';
+    }
+    L.circleMarker(d.Y, d.X], pathOpts)
+      .bindPopup(d.FACILNAME_LABEL)
+      .addTo(map);
+  });