Dakota is a "[a] Multilevel Parallel Object-Oriented Framework for Design Optimization, 5 Parameter Estimation, Uncertainty Quantification, and Sensitivity Analysis" tool (Dakota README).
The below can be used to view all of the installations of Dakota on a particular system, where this example uses Coeus.
$ module avail |& grep -i "dakota"
Math/dakota/openmpi-2.0/gcc-7.2.0
To invoke Dakota's binary, use the below.
$ module load Math/dakota/openmpi-2.0/gcc-7.2.0
$ dakota