Displaying 3 results from an estimated 3 matches for "rightpoint".
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2004 Aug 12
4
truly object oriented programming in R
...edIndices[split_dim][numOfPoints/2-1];
double splitValue_small =
points[middlePoint][split_dim];
int left_size = numOfPoints/2;
int right_size = numOfPoints - left_size;
double[][] leftPoints = new double[left_size][d];
double[][] rightPoints = new double[right_size][d];
int[][] leftSortedIndices = new int[d][left_size];
int[][] rightSortedIndices = new int[d][right_size];
int left_counter = 0, right_counter = 0;
int[] splitInfo = new int [numOfPoints];
for(int i = 0; i < numOfPoints; i++) {...
2008 Mar 12
0
R code for kernel density using kd-tree, looking for speed up
...#################################################
#preparing for the left and right tree
diff = box.upper.limit - box.lower.limit;
split.dim = which.max(diff);
split.mean = tree$center[split.dim]
index1 = (points[split.dim,] < split.mean);
leftPoints = points[,index1,drop=F];
rightPoints = points[,!index1, drop=F];
tree$left = addNode(newtree(), leftPoints);
tree$right = addNode(newtree(), rightPoints);
return(tree);
}
evaluate.element.obj = function(target.element, bw)
{
bw2 = bw*bw
func1 = function(tree)
{
temp = target.elem...
2004 Aug 12
9
Giving a first good impression of R to Social Scientists
Dear all,
in the coming Winter Semester, I will be a teaching assistant for a course
in Survival Analysis. My job will be to do the lab sessions. The software
used for these lab sessions will be R. Most of the students have a
background in social sciences and the only stats package they used so far is
most likely SPSS.
So I assume they might be quite surprised the first time they see R