Added installation of new packages

Author: StuartWheater

azure-pipelines.yml

@@ -130,7 +130,8 @@ jobs:
       sudo apt-get update
 
       sudo apt-get install -qq libxml2-dev libcurl4-openssl-dev libssl-dev libgsl-dev r-base -y
-      sudo R -q -e "install.packages(c('devtools','metafor','fields','covr'), dependencies=TRUE, repos='https://cloud.r-project.org')"              
+      sudo R -q -e "install.packages(c('devtools','covr'), dependencies=TRUE, repos='https://cloud.r-project.org')"
+      sudo R -q -e "install.packages(c('fields','metafor','ggplot2','gridExtra','data.table'), dependencies=TRUE, repos='https://cloud.r-project.org')"
       sudo R -q -e "install.packages(c('DSI','DSOpal','DSLite'), dependencies=TRUE, repos='https://cloud.r-project.org')"
 
       sudo R -q -e "install.packages(c('DescTools','e1071'), dependencies=TRUE, repos='https://cloud.r-project.org')"