diff --git a/analysis_gene_ontology.m b/analysis_gene_ontology.m
index 5ffd00d..2b15110 100644
--- a/analysis_gene_ontology.m
+++ b/analysis_gene_ontology.m
@@ -11,7 +11,7 @@
 % get go annotation files
 annot_files = dir('data/gene_ontology/go_*.txt');
 
-go_matrix = zeros(size(ref_go_terms, 1), size(annot_files, 1));
+go_matrix = ones(size(ref_go_terms, 1), size(annot_files, 1));
 for i = 1:size(annot_files, 1)
     file = annot_files(i);
     fRead = fopen(sprintf('data/gene_ontology/%s',file.name),'r');
@@ -25,7 +25,10 @@
     go_matrix(idx_ref, i) = p_values(idx_qry);
 
 end
+log_matrix = log10(go_matrix);
+log_matrix = abs(log_matrix);
 
-go_table = array2table(go_matrix, 'RowNames', ref_go_terms, 'VariableNames', cellfun(@(s) strtok(s, '.') ,{annot_files.name}, 'UniformOutput', false));
 
-clustergram(go_matrix,'Standardize', 2,'cluster',1, 'ColumnLabels', cellfun(@(s) strtok(s, '.') ,{annot_files.name}, 'UniformOutput', false));
+go_table = array2table(log_matrix, 'RowNames', ref_go_terms, 'VariableNames', cellfun(@(s) strtok(s, '.'), {annot_files.name}, 'UniformOutput', false));
+
+clustergram(log_matrix,'Standardize', 2,'cluster',1, 'ColumnLabels', cellfun(@(s) strtok(s, '.'), {annot_files.name}, 'UniformOutput', false));
diff --git a/figures/gene_ontology_clustergram.fig b/figures/gene_ontology_clustergram.fig
index 02a011c..533748d 100644
Binary files a/figures/gene_ontology_clustergram.fig and b/figures/gene_ontology_clustergram.fig differ