Mixing model (#14)

* Adding entities back

* Draft of entities model

* Adding function to sample from contact matrix more efficiently

* Sampler

* Adding mixing matrix! Still need to set dist_ent without replacement

* Moving group sampler to its own

* Adding function to distribute entities based on data

* Renaming model

* Adding idea about how to sample more efficiently

* Working on algorithm to speed up [skip ci]

* Working on mixing doc [skip ci]

* Solved issue about sampling

* Good progress, need testing [skip ci]

* Example with mixing (new algo) running

* Test transmitting from one group to another almost done!

* Adding missing test file

* Adding tests for the SEIR mixing model

* Updating version of epiworld

* Adding the SIRMixing model + tests

.gitignore

@@ -4,4 +4,6 @@ examples/*/*
 !*.cpp
 .Rproj.user
 .Rhistory
-tests
+tests/*
+!tests/
+!tests/*.cpp

.vscode/settings.json

@@ -70,5 +70,11 @@
     "cfenv": "cpp",
     "cinttypes": "cpp"
   },
-  "intel-corporation.oneapi-analysis-configurator.binary-path": "/home/george/Documents/development/epiworld/tests/01c.o"
+  "intel-corporation.oneapi-analysis-configurator.binary-path": "/home/george/Documents/development/epiworld/tests/01c.o",
+  "grammarly.selectors": [
+    {
+      "language": "quarto",
+      "scheme": "file"
+    }
+  ]
 }