diff --git a/R/method_clustering.R b/R/method_clustering.R
index 741ca14..f8bb869 100644
--- a/R/method_clustering.R
+++ b/R/method_clustering.R
@@ -9,14 +9,14 @@
 #' @param data The values that should be scored.
 #' @param span The maximum span of values considered to be in one cluster.
 #' @param weight The weight that will be given to the next largest cluster in
-#'   relation to the previous one. For example, if `weight` is 0.7 (the
-#'   default), the first cluster will weigh 1.0, the second 0.7, the third 0.49
+#'   relation to the previous one. For example, if `weight` is 0.5 (the
+#'   default), the first cluster will weigh 1.0, the second 0.5, the third 0.25
 #'   etc.
 #'
 #' @return A score between 0.0 and 1.0 summarizing how much the data clusters.
 #'
 #' @export
-clusteriness <- function(data, span = 100000, weight = 0.7) {
+clusteriness <- function(data, span = 500000, weight = 0.5) {
   n <- length(data)
 
   # Return a score of 0.0 if there is just one or no value at all.
@@ -65,8 +65,8 @@ clusteriness <- function(data, span = 100000, weight = 0.7) {
 clustering <- function(id = "clustering",
                        name = "Clustering",
                        description = "Clustering of genes",
-                       span = 100000,
-                       weight = 0.7) {
+                       span = 500000,
+                       weight = 0.5) {
   method(
     id = id,
     name = name,
diff --git a/man/clusteriness.Rd b/man/clusteriness.Rd
index 4fe22b2..7ddce27 100644
--- a/man/clusteriness.Rd
+++ b/man/clusteriness.Rd
@@ -4,7 +4,7 @@
 \alias{clusteriness}
 \title{Perform a cluster analysis.}
 \usage{
-clusteriness(data, span = 1e+05, weight = 0.7)
+clusteriness(data, span = 5e+05, weight = 0.5)
 }
 \arguments{
 \item{data}{The values that should be scored.}
@@ -12,8 +12,8 @@ clusteriness(data, span = 1e+05, weight = 0.7)
 \item{span}{The maximum span of values considered to be in one cluster.}
 
 \item{weight}{The weight that will be given to the next largest cluster in
-relation to the previous one. For example, if \code{weight} is 0.7 (the
-default), the first cluster will weigh 1.0, the second 0.7, the third 0.49
+relation to the previous one. For example, if \code{weight} is 0.5 (the
+default), the first cluster will weigh 1.0, the second 0.5, the third 0.25
 etc.}
 }
 \value{
diff --git a/man/clustering.Rd b/man/clustering.Rd
index d0f8832..e5fdf43 100644
--- a/man/clustering.Rd
+++ b/man/clustering.Rd
@@ -8,8 +8,8 @@ clustering(
   id = "clustering",
   name = "Clustering",
   description = "Clustering of genes",
-  span = 1e+05,
-  weight = 0.7
+  span = 5e+05,
+  weight = 0.5
 )
 }
 \arguments{