d3.text(url[, callback]) Creates a request for the text file at the specified url with the default mime type text/plain. This convenience constructor is approximately equivalent to: d3.request(url) .mimeType("text/plain") .response(function(xhr) { return xhr.responseText; }) .get(callback);

d3.timeSunday d3.utcSunday Sunday-based weeks (e.g., February 5, 2012 at 12:00 AM).

map.get(key) Returns the value for the specified key string. If the map does not have an entry for the specified key, returns undefined.

map.empty() Returns true if and only if this map has zero entries.

d3.symbolWye The Y-shape symbol type.

quantize.nice() Equivalent to continuous.nice.

quantize.ticks([count]) Equivalent to continuous.ticks.

d3.geoVanDerGrinten4() d3.geoVanDerGrinten4Raw The Van der Grinten IV projection.

axis.tickSizeOuter([size]) If size is specified, sets the outer tick size to the specified value and returns the axis. If size is not specified, returns the current outer tick size, which defaults to 6. The outer tick size controls the length of the square ends of the domain path, offset from the native position of the axis. Thus, the “outer ticks” are not actually ticks but part of the domain path, and their position is determined by the associated scale’s domain extent. Thus, outer ticks m

map.each(function) Calls the specified function for each entry in this map, passing the entry’s value and key as arguments, followed by the map itself. Returns undefined. The iteration order is arbitrary.