diff --git a/DESCRIPTION b/DESCRIPTION
index 2f3d5de..b851889 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,8 +1,8 @@
 Package: eoR
 Type: Package
 Title: Data Management Package (Exposure and Occurrence Data in R)
-Version: 0.4.0
-Date: 2019-11-07
+Version: 0.5.0
+Date: 2019-11-22
 Authors@R: c(person("Rainer", "Walke", role = c("aut", "cre"),
     email = "walke@demogr.mpg.de", 
     comment = c(ORCID = "0000-0002-4269-6531")))
@@ -23,4 +23,4 @@ Encoding: UTF-8
 Depends: R (>= 3.2.0)
 Imports: methods, data.table
 LazyData: no
-RoxygenNote: 6.1.1
+RoxygenNote: 7.0.0
diff --git a/tests/generator_DEUTNP.fltper_1x1m.R b/tests/generator_DEUTNP.fltper_1x1m.R
index b991b64..0729c78 100644
--- a/tests/generator_DEUTNP.fltper_1x1m.R
+++ b/tests/generator_DEUTNP.fltper_1x1m.R
@@ -43,34 +43,12 @@ block3 <- function(mult) {
 
   ltA[, px := 1 - qx][]
 
+  ltA[, lx := 100000 * cumprod(shift(px, 1L, fill=1, type="lag"))][]
 
-  # ltA[,pxlag := shift(px, 1L, type="lag")]
+  ltA[, dx := lx * qx]
+  ltA[, Lx := lx - ( 1 - ax ) * dx]
 
-  ltA[AgeLow==0, lx := 100000][]
-
-  for (x in seq(1,110)) {
-
-    ltA[AgeLow == x, lx := ltA[AgeLow == (x-1), lx] * ltA[AgeLow == (x-1), px]]
-
-  }
-
-  ltA[AgeLow == 110, dx := lx][]
-  ltA[AgeLow == 110, Lx := lx * ax][]
-
-  for (x in seq(109,0)) {
-
-    ltA[AgeLow == x, dx := lx * qx]
-    ltA[AgeLow == x, Lx := lx - ( 1 - ax ) * dx]
-
-  }
-
-  ltA[AgeLow == 110, Tx := Lx][]
-
-  for (x in seq(109,0)) {
-
-    ltA[AgeLow == x, Tx := ltA[AgeLow == (x+1), Tx] + Lx]
-
-  }
+  ltA[, Tx := rev(cumsum(rev(Lx)))]  
 
   ltA[, ex := Tx / lx][]