diff --git a/DESCRIPTION b/DESCRIPTION
index adeea7229f010d05b0e017feaac3e67ceacafa71..d3ff8d20db36075aaa4d6a8369dff7adbf6e4a48 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,8 +1,8 @@
 Package: airGR
 Type: Package
 Title: Suite of GR Hydrological Models for Precipitation-Runoff Modelling
-Version: 1.6.3.13
-Date: 2020-10-14
+Version: 1.6.3.14
+Date: 2020-10-15
 Authors@R: c(
   person("Laurent", "Coron", role = c("aut", "trl"), comment = c(ORCID = "0000-0002-1503-6204")),
   person("Olivier", "Delaigue", role = c("aut", "cre"), comment = c(ORCID = "0000-0002-7668-8468"), email = "airGR@inrae.fr"),
diff --git a/NEWS.md b/NEWS.md
index 07984554876f5e14ff9626051a043b7810ef2126..a7ffac71ee2c6475760f42df60ce0f2245927692 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -2,7 +2,7 @@
 
 
 
-### 1.6.3.13 Release Notes (2020-10-14)
+### 1.6.3.14 Release Notes (2020-10-15)
 
 #### New features
 
diff --git a/tests/testthat/test-RunModel_LAG.R b/tests/testthat/test-RunModel_LAG.R
index 7dd2aeef3d617890a3ff82cc4f41fc6ad51edc29..ccd59083ea63848f0674382ce6af60d528a9aaed 100644
--- a/tests/testthat/test-RunModel_LAG.R
+++ b/tests/testthat/test-RunModel_LAG.R
@@ -35,7 +35,7 @@ test_that("'Qupstream' cannot contain any NA value", {
 })
 
 # Qupstream = sinusoid synchronised on hydrological year from 0 mm to mean value of Qobs
-Qupstream = floor((sin((1:length(BasinObs$Qmm)/365*2*3.14))+1)*mean(BasinObs$Qmm, na.rm = T))
+Qupstream <- floor((sin((seq_along(length(BasinObs$Qmm))/365*2*3.14))+1) * mean(BasinObs$Qmm, na.rm = TRUE))
 
 InputsModel <- CreateInputsModel(
   FUN_MOD = RunModel_GR4J,
@@ -56,23 +56,22 @@ RunOptions <- CreateRunOptions(FUN_MOD = RunModel_GR4J,
 
 test_that("InputsModel parameter should contain an OutputsModel key", {
   expect_error(
-    RunModel_Lag(InputsModel, RunOptions, 1), 
+    RunModel_Lag(InputsModel = InputsModel, RunOptions = RunOptions, Param = 1), 
     regexp = "'InputsModel' should contain an 'OutputsModel' key"
   )
 })
 
-Param = c(257.237556, 1.012237, 88.234673, 2.207958) #  From vignettes/V01_get_started
+Param <- c(257.237556, 1.012237, 88.234673, 2.207958) #  From vignettes/V01_get_started
 
-OutputsGR4JOnly <-
-  RunModel_GR4J(InputsModel = InputsModel,
-                RunOptions = RunOptions,
-                Param = Param)
+OutputsGR4JOnly <- RunModel_GR4J(InputsModel = InputsModel,
+                                 RunOptions = RunOptions,
+                                 Param = Param)
 
 test_that("InputsModel$OutputsModel should contain a Qsim key", {
   InputsModel$OutputsModel <- OutputsGR4JOnly
   InputsModel$OutputsModel$Qsim <- NULL
   expect_error(
-    RunModel_Lag(InputsModel, RunOptions, 1), 
+    RunModel_Lag(InputsModel = InputsModel, RunOptions = RunOptions, Param = 1),
     regexp = "should contain a key 'Qsim'"
   )
 })
@@ -81,67 +80,57 @@ test_that("'InputsModel$OutputsModel$Qim' should have the same lenght as 'RunOpt
   InputsModel$OutputsModel <- OutputsGR4JOnly
   InputsModel$OutputsModel$Qsim <- c(InputsModel$OutputsModel$Qsim, 0)
   expect_error(
-    RunModel_Lag(InputsModel, RunOptions, 1), 
+    RunModel_Lag(InputsModel = InputsModel, RunOptions = RunOptions, Param = 1),
     regexp = "should have the same lenght as"
   )
 })
 
 test_that("'InputsModel$OutputsModel$Qim' should contain no NA'", {
   InputsModel$OutputsModel <- OutputsGR4JOnly
-  InputsModel$OutputsModel$Qsim[10] <- NA
+  InputsModel$OutputsModel$Qsim[10L] <- NA
   expect_error(
-    RunModel_Lag(InputsModel, RunOptions, 1), 
+    RunModel_Lag(InputsModel = InputsModel, RunOptions = RunOptions, Param = 1),
     regexp = "contain no NA"
   )
 })
 
 test_that("Upstream basin with nil area should return same Qdown as GR4J alone", {
-  UpstBasinArea = InputsModel$BasinAreas[1]
-  InputsModel$BasinAreas[1] <- 0
-  OutputsSD <-
-    RunModel(InputsModel,
-             RunOptions,
-             Param = c(1, Param),
-             FUN_MOD = RunModel_GR4J)
+  UpstBasinArea <- InputsModel$BasinAreas[1L]
+  InputsModel$BasinAreas[1L] <- 0
+  OutputsSD <- RunModel(InputsModel,
+                        RunOptions,
+                        Param = c(1, Param),
+                        FUN_MOD = RunModel_GR4J)
   expect_equal(OutputsGR4JOnly$Qsim, OutputsSD$Qsim)
 })
 
-test_that(
-  "Downstream basin with nil area and nul upstream length should return same Qdown as Qupstream alone",
-  {
-    InputsModel$LengthHydro <- 0
-    InputsModel$BasinAreas <- c(BasinInfo$BasinArea, 0)
-    OutputsSD <-
-      RunModel(InputsModel,
-               RunOptions,
-               Param = c(1, Param),
-               FUN_MOD = RunModel_GR4J)
-    expect_equal(OutputsSD$Qsim, Qupstream[Ind_Run])
-  }
-)
+test_that("Downstream basin with nil area and nul upstream length should return same Qdown as Qupstream alone", {
+  InputsModel$LengthHydro <- 0
+  InputsModel$BasinAreas <- c(BasinInfo$BasinArea, 0)
+  OutputsSD <- RunModel(InputsModel,
+                        RunOptions,
+                        Param = c(1, Param),
+                        FUN_MOD = RunModel_GR4J)
+  expect_equal(OutputsSD$Qsim, Qupstream[Ind_Run])
+})
 
-ParamSD = c(InputsModel$LengthHydro / (24 * 60 * 60), Param) # Speed corresponding to one time step delay
+ParamSD <- c(InputsModel$LengthHydro / (24 * 60 * 60), Param) # Speed corresponding to one time step delay
 
-QlsGR4Only <-
-  OutputsGR4JOnly$Qsim * InputsModel$BasinAreas[2] * 1E6 / 86400
+QlsGR4Only <- OutputsGR4JOnly$Qsim * InputsModel$BasinAreas[2L] * 1e6 / 86400
 
 test_that("1 input with lag of 1 time step delay out gives an output delayed of one time step", {
-  OutputsSD <-
-    RunModel(InputsModel, RunOptions, Param = ParamSD, FUN_MOD = RunModel_GR4J)
-  QlsSdSim <-
-    OutputsSD$Qsim * sum(InputsModel$BasinAreas) * 1E6 / 86400
-  QlsUpstLagObs <-
-    c(0, Qupstream[Ind_Run[1:(length(Ind_Run) - 1)]]) * InputsModel$BasinAreas[1] * 1E6 / 86400
+  OutputsSD <- RunModel(InputsModel, RunOptions, Param = ParamSD, FUN_MOD = RunModel_GR4J)
+  QlsSdSim <- OutputsSD$Qsim * sum(InputsModel$BasinAreas) * 1e6 / 86400
+  QlsUpstLagObs <- c(0, Qupstream[Ind_Run[1:(length(Ind_Run) - 1)]]) * InputsModel$BasinAreas[1L] * 1e6 / 86400
   expect_equal(QlsSdSim - QlsGR4Only, QlsUpstLagObs)
 })
 
 test_that("1 input with lag of 0.5 time step delay out gives an output delayed of 0.5 time step", {
-  OutputsSD <-
-    RunModel(InputsModel, RunOptions, Param = c(InputsModel$LengthHydro / (12 * 3600), Param), FUN_MOD = RunModel_GR4J)
-  QlsSdSim <-
-    OutputsSD$Qsim * sum(InputsModel$BasinAreas) * 1E6 / 86400
-  QlsUpstLagObs <-
-    (Qupstream[Ind_Run] + c(0, Qupstream[Ind_Run[1:(length(Ind_Run) - 1)]]))/2 * InputsModel$BasinAreas[1] * 1E6 / 86400
+  OutputsSD <- RunModel(InputsModel, RunOptions,
+                        Param = c(InputsModel$LengthHydro / (12 * 3600), Param),
+                        FUN_MOD = RunModel_GR4J)
+  QlsSdSim <- OutputsSD$Qsim * sum(InputsModel$BasinAreas) * 1e6 / 86400
+  QlsUpstLagObs <- (Qupstream[Ind_Run] + c(0, Qupstream[Ind_Run[1:(length(Ind_Run) - 1)]]))/2 * InputsModel$BasinAreas[1L] * 1e6 / 86400
   expect_equal(QlsSdSim - QlsGR4Only, QlsUpstLagObs)
 })
 
@@ -153,8 +142,8 @@ test_that("Params from calibration with simulated data should be similar to init
     RunOptions = RunOptions,
     VarObs = "Q",
     Obs = (
-      c(0, Qupstream[Ind_Run[1:(length(Ind_Run) - 1)]]) * BasinAreas[1] +
-      BasinObs$Qmm[Ind_Run] * BasinAreas[2]
+      c(0, Qupstream[Ind_Run[1:(length(Ind_Run) - 1)]]) * BasinAreas[1L] +
+        BasinObs$Qmm[Ind_Run] * BasinAreas[2L]
     ) / sum(BasinAreas)
   )
   CalibOptions <- CreateCalibOptions(
@@ -169,26 +158,23 @@ test_that("Params from calibration with simulated data should be similar to init
     CalibOptions = CalibOptions,
     FUN_MOD = RunModel_GR4J
   )
-  expect_equal(OutputsCalib$ParamFinalR[2:5] / ParamSD[2:5], rep(1, 4), tolerance = 1E-2)
-  expect_equal(OutputsCalib$ParamFinalR[1], ParamSD[1], tolerance = 2E-3)
+  expect_equal(OutputsCalib$ParamFinalR[2:5] / ParamSD[2:5], rep(1, 4), tolerance = 1e-2)
+  expect_equal(OutputsCalib$ParamFinalR[1L], ParamSD[1L], tolerance = 2e-3)
 })
 
 test_that("1 no area input with lag of 1 time step delay out gives an output delayed of one time step converted to mm", {
-  Qm3GR4Only <-
-    OutputsGR4JOnly$Qsim * BasinAreas[2] * 1E3
+  Qm3GR4Only <- OutputsGR4JOnly$Qsim * BasinAreas[2L] * 1e3
   # Specify that upstream flow is not related to an area
-  InputsModel$BasinAreas = c(NA, BasinAreas[2])
+  InputsModel$BasinAreas <- c(NA, BasinAreas[2L])
   # Convert upstream flow to m3/day
-  InputsModel$Qupstream <- matrix(Qupstream, ncol = 1) * BasinAreas[1] * 1E3
-
-  OutputsSD <-
-    RunModel(InputsModel, RunOptions, Param = ParamSD, FUN_MOD = RunModel_GR4J)
-
+  InputsModel$Qupstream <- matrix(Qupstream, ncol = 1) * BasinAreas[1L] * 1e3
+  
+  OutputsSD <- RunModel(InputsModel, RunOptions, Param = ParamSD, FUN_MOD = RunModel_GR4J)
+  
   expect_false(any(is.na(OutputsSD$Qsim)))
-
-  Qm3SdSim <- OutputsSD$Qsim * sum(InputsModel$BasinAreas, na.rm = TRUE) * 1E3
-  Qm3UpstLagObs <-
-    c(0, InputsModel$Qupstream[Ind_Run[1:(length(Ind_Run) - 1)]])
-
+  
+  Qm3SdSim <- OutputsSD$Qsim * sum(InputsModel$BasinAreas, na.rm = TRUE) * 1e3
+  Qm3UpstLagObs <- c(0, InputsModel$Qupstream[Ind_Run[1:(length(Ind_Run) - 1)]])
+  
   expect_equal(Qm3SdSim - Qm3GR4Only, Qm3UpstLagObs)
 })