treemap Questions
1
In my code I am using a set of interleaved LinkedHashMaps inside each other as below. The code is fine and gives me the result I want except it automatically removes the duplicates. I couldnt find ...
Whitefaced asked 8/11, 2013 at 16:37
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I need select 10 smallest numbers from array(with 2 000 items) and print their indexes.
At first I tried just sorted this array and print values array[0 to 9]. It was the smallest numbers but I l...
3
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I have a package which uses the tmPlot function from treemap, but when I try to use the function, it throws an error that one of its dependencies isn't loaded:
Error in tmPlot(data, index = index,...
Brittle asked 11/2, 2013 at 8:27
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Loading 1 000 000 numbers takes 2 seconds to load into a treemap (binary search tree), but takes milliseconds to load into a hashmap (in java).
The only difference between the two is that I can see...
2
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I'm building an app with D3.js that displays a data in a tree-map. Ideally what I would like to is give the tree-map a tool-tip to display more info on each node of the tree-map. The tree-map is fe...
Handicapped asked 12/7, 2012 at 23:8
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I have a few question related to java.util.concurrent package:
Why in the java API there is the non-concurrent TreeMap on one side and the concurrent ConcurrentSkipListMap on one other?
Why...
Fucoid asked 15/7, 2013 at 14:14
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I have a list of Strings. I want to evaluate each string based on a function that returns a double. Then I want the first 5 strings, based on their calculated values. If there are fewer than 5, I w...
3
Please don't post an answer saying "you shouldn't do this." I don't plan to use this in production code, but only for some hacking fun.
In answering this question, I wanted to run some arbitrary u...
Katheleenkatherin asked 22/3, 2013 at 6:3
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Is there a way to retrieve all the leaf nodes of a Java TreeMap?
I have a TreeMap like this
TreeMap<String, FooBar> myTree = new TreeMap<String, FooBar>(new Comparator<String>()...
Amando asked 22/3, 2013 at 5:8
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I need to create a custom d3 layout that is somewhat close to a treemap but in a triangular style. Here's a screenshot so that you can understand:
Pyramid layout
As you can see, it works pretty n...
Psycho asked 8/11, 2012 at 15:53
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There is an object ObjectA which has a list of ObjectB. There is a TreeMap inside the ObjectB. This TreeMap has a String as key and a List of another object ObjectC as value. This TreeMap and the l...
Bipartite asked 21/2, 2013 at 16:6
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I am using a package (treemap) that uses grid package to produce a treemap. However, I would like to plot several of these treemaps together, to add different color schemes to these plots. tmPlot f...
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I am working with a TreeMap of Strings TreeMap<String, String>, and using it to implement a Dictionay of words.
I then have a collection of files, and would like to create a representation o...
Swats asked 14/12, 2011 at 9:58
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I have a map: TreeMap<String, Integer> m = new TreeMap<>(); where I have a whole alphabet and values, which shows how many times each letter was found in my text.
I want to sort that m...
2
I am currently experimenting with the gallery treemap of d3.js.
http://bl.ocks.org/4063582
Now I am wondering if I can make the treemap render all items in squares. I can only get it to render re...
Keyway asked 16/1, 2013 at 13:46
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I've experienced some really spooky TreeMap behavior and I've had some trouble narrowing down a small test case, so bear with me.
I want to read a large number of key-value pairs into a Map, from ...
Muchness asked 31/1, 2013 at 17:17
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Treemap package in R seems to have more features than the treemapfunction in portfolio package. However from the reference manual (which is very good, btw) it does not become clear, whether it is p...
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Does anyone know the time complexity of the operations of TreeMap like - subMap, headMap. tailMap.
The time complexity of operations like get, put is O(logn).
But the javadoc doesnt say much about...
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Possible Duplicate:
Java: SortedMap, TreeMap, Comparable? How to use?
I am using the Java JungI graph package and Netbeans 7. I am getting the following error from Java:
Exception i...
Erenow asked 3/1, 2013 at 5:36
1
So this should be really simple since I know it's possible (I just don't understand 'Set' very much).
So basically there is this TreeMap, let's call it aTree. So I need to do something like:
some...
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Possible Duplicate:
How can I sort the keys of a Map in Java?
In class TreeMap the Java API says:
A Red-Black tree based NavigableMap implementation. The map is sorted according to...
3
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I need your help, I cannot understand what's happening?
I'm trying to send a TreeMap between 2 activities, the code is something like this:
class One extends Activity{
public void send(){
Inten...
Hildegardhildegarde asked 19/12, 2012 at 19:55
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I created a Tree in D3.js based on Mike Bostock's Node-link Tree. The problem I have and that I also see in Mike's Tree is that the text label overlap/underlap the circle nodes when there isn't eno...
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I was looking for ways of sorting Map<String, Integer> by values. I found this post, which solved my sorting problem, but not exactly. According to the post, I wrote the following code:
impo...
Showers asked 13/12, 2012 at 3:59
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import java.util.*;
public class Sort {
static class ValueComparator implements Comparator<String> {
Map<String, Integer> base;
ValueComparator(Map<String, Integer> base) {...
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