Displaying 1 result from an estimated 1 matches for "biggest_difference".
2011 Oct 17
1
compressing/reducing data for plot
...ow(data),]);
# normalize the differences according to the value range in their column
col.range = apply(data,2, function(d) {abs(max(d) - min(d))});
normalized_diffs <- t(apply(diffs, 1, function(d) {d/col.range}));
rm("col.range");
# get the "biggest difference" in each row
biggest_difference <- as.vector(apply(normalized_diffs,1, max));
# check if the "biggest difference" is above the threshold -
# that means the row is "significant" in a plot
signif <- biggest_difference >= threshold;
rm("biggest_difference");
# the last datapoint/row is always...