randFromArray([
[new Plural(function(num) {
return i18n.ngettext("animal", "animals", num);
}), KhanUtil.animal],
[new Plural(function(num) {
return i18n.ngettext("color", "colors", num);
}), KhanUtil.color],
[new Plural(function(num) {
return i18n.ngettext("fruit", "fruits", num);
}), KhanUtil.fruit],
[new Plural(function(num) {
return i18n.ngettext("course", "courses", num);
}), KhanUtil.course]
])
_.times(5, function(n) { return SUBJECT_FUNC(n + 1); } )
_.times(5, function() { return randRange(0, 10); } )
sum(DATA)
randFromArray([
new Plural(function(num) {
return i18n.ngettext("student", "students", num);
}),
new Plural(function(num) {
return i18n.ngettext("teacher", "teachers", num);
}),
new Plural(function(num) {
return i18n.ngettext("person", "people", num);
})
])
shuffle(_.zip(DATA, CATEGORIES))
TOTAL RESPONDENT was asked about their favorite SUBJECT.
TOTAL plural_form(RESPONDENT, TOTAL) were asked about their favorite SUBJECT.
DATA[0] RESPONDENT said DATA[1].
DATA[0] plural_form(RESPONDENT, DATA[0]) said DATA[1].
Create a bar chart showing everyone's favorite plural_form(SUBJECT):
init({
range: [ [ -2, 17 ], [ -3, 12 ] ],
scale: [ 26, 30 ]
});
addMouseLayer();
for ( var y = 0; y <= 10; ++y ) {
label( [ 0, y ], y, "left", false );
style({ stroke: "#000", strokeWidth: 1, opacity: 0.3 }, function() {
line( [ 0, y ], [ 16, y ] )
});
}
graph.leftPoints = [];
graph.rightPoints = [];
graph.lines = [];
for ( var index = 0; index < CATEGORIES.length; ++index ) {
graph.leftPoints[ index ] = addMovablePoint({ coord: [ index * 3 + 1, 0.5 ], visible: false });
graph.rightPoints[ index ] = addMovablePoint({ coord: [ index * 3 + 3, 0.5 ], visible: false });
graph.lines[ index ] = addMovableLineSegment({ pointA: graph.leftPoints[ index ], pointZ: graph.rightPoints[ index ], snapY: 0.5, constraints: { constrainX: true } });
// graph.lines[ index ] = {};
style({ stroke: "none", fill: "#9ab8ed", opacity: 1.0 }, function() {
graph.lines[ index ].bar = path([ [ index * 3 + 1, 0 ], [ index * 3 + 1, 0.5 ], [ index * 3 + 3, 0.5 ], [ index * 3 + 3, 0 ], [ index * 3 + 1, 0 ] ]);
});
// graph.lines[ index ].toFront();
label( [ index * 3 + 2, 0 ], CATEGORIES[ index ] + "", "below", false ).css( "text-transform", "capitalize" );
var bar = index;
graph.lines[ index ].onMove = function( dX, dY ) {
if ( this.coordA[1] < 0 || this.coordA[1] > 10 ) {
this.coordA[1] -= dY;
this.coordZ[1] -= dY;
}
this.pointA.setCoord([ this.pointA.coord[0], this.coordA[1] ]);
this.pointZ.setCoord([ this.pointZ.coord[0], this.coordA[1] ]);
this.pointA.updateLineEnds();
this.pointZ.updateLineEnds();
this.bar.scale( 1, Math.max( 0.01, this.coordA[1] * 2 ), scalePoint( 0 )[0], scalePoint( 0 )[1] );
};
}
style({ stroke: "#000", strokeWidth: 2, opacity: 1.0 }, function() {
line( [ 0, 0 ], [ 16, 0 ] );
line( [ 0, 0 ], [ 0, 10 ] );
});
label([8, -0.8],
SUBJECT + "",
"below", false)
.css("text-transform", "capitalize")
.css("font-weight", "bold");
label([-1.5, 5],
i18n._("Number of %(respondent)s", { respondent: plural_form(RESPONDENT) }),
"center", false)
.css("font-weight", "bold")
.addClass("rotate");
label([8, 10.5],
i18n._("Favorite %(subject)s", { subject: plural_form(SUBJECT) }),
"above", false)
.css("font-weight", "bold");
_.times(5, function(n) { return graph.lines[ n ].coordA[1]; })
if ( _.isEqual( guess, [ 0.5, 0.5, 0.5, 0.5, 0.5 ] ) ) {
return "";
}
return _.isEqual( guess, DATA );
$.each( guess, function( index ) {
graph.lines[ index ].pointA.setCoord([ graph.lines[ index ].pointA.coord[0], this ]);
graph.lines[ index ].pointZ.setCoord([ graph.lines[ index ].pointZ.coord[0], this ]);
graph.lines[ index ].pointA.updateLineEnds();
graph.lines[ index ].pointZ.updateLineEnds();
graph.lines[ index ].bar.scale( 1, Math.max( 0.01, this * 2 ), scalePoint( 0 )[0], scalePoint( 0 )[1] );
});