Hi, I have a dataset with 35 banks (N) and 2600 trading days (T) each, and I want to test for cross-sectional dependence (which should be there in theory). However, I get the message: Correlation matrix of residuals is singular. not possible with test, r(131); I already searched ...
matrix.get(i).set(j, Integer.MAX_VALUE); } } } int[][] dirs = {{-1, 0}, {1, 0}, {0, -1}, {0, 1}}; while(!queue.isEmpty()){ int cell[]= queue.poll(); for(int[] d: dirs){ int r = cell[0] + d[0]; int c = cell[1] + d[1]; if (r < 0 || r ...
Gene expression is controlled by many simultaneous interactions, frequently measured collectively in biology and medicine by high-throughput technologies. It is a highly challenging task to infer from these data the generating effects and cooperating gen