Updated readme to reflect lapply-based scripts

hello/README.md

@@ -4,19 +4,25 @@ These are various 'hello world' scripts written in R to verify the installation
 of the basic parallel libraries and the job submission process on both of the
 XSEDE resources at SDSC, Gordon and Trestles.
 
-All of these applications print some unique parallel worker id (e.g., MPI rank)
-and the hostname on which that worker is running.
+All of these applications print some unique parallel worker id (e.g., MPI rank
+for distributed memory or process id for shared memory) and the hostname on 
+which that worker is running.
 
 Hello World Scripts
 -------------------
 * hello-foreach-serial.R - foreach with serial backend
 * hello-foreach-doMC.R - foreach with multicore (single-node) backend
 * hello-foreach-doSNOW.R - foreach with snow (multinode) backend
 * hello-foreach-doMPI.R - foreach with raw MPI (multinode) backend
+* hello-lapply.R - serial lapply
+* hello-mclapply.R - lapply with multicore/parallel's mclapply (single-node)
+* hello-parLapply.R - lapply with snow's parLapply (multinode)
+* hello-clusterApply.R - lapply with snow's clusterApply (multinode)
+* hello-sfClusterApply.R  - lapply with snowfall's sfClusterApply (multinode)
 
 Submit Scripts
 --------------
 * submit-singlenode-gordon.qsub - submit script for serial and doMC scripts
-* submit-multinode-gordon.qsub - submit script for doSNOW and doMPI scripts
+* submit-multinode-gordon.qsub - submit script for snow, snowfall, doMPI scripts
 * submit-singlenode-trestles.qsub - submit script for serial and doMC scripts
-* submit-multinode-trestles.qsub - submit script for doSNOW and doMPI scripts
+* submit-multinode-trestles.qsub - submit script for snow, snowfall, doMPI