Microsimulation API

/home/marcle/src/R/microsimulation/src/person-r.cc
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1
29 #include <microsimulation.h>
30
31 namespace {
32
33 using namespace std;
34 using namespace ssim;
35
37 enum gleason_t {nogleason,gleasonLt7,gleason7,gleasonGt7};
38
40 enum stage_t {Healthy,Localised,DxLocalised,LocallyAdvanced,DxLocallyAdvanced,
41 Metastatic,DxMetastatic,Death};
42
44 enum event_t {toDeath, toPCDeath, toLocalised, toDxLocalised,
45 toDxLocallyAdvanced,
46 toLocallyAdvanced, toMetastatic, toDxMetastatic};
47
49 class Person : public cProcess
50 {
51 public:
52 gleason_t gleason;
53 stage_t stage;
54 bool dx;
55 int id;
56
57 // static member(s)
58 static std::map<std::string, std::vector<double> > report;
59 static std::map<std::string, Rng *> rng;
60
61 static void resetPopulation ();
62 //
63 Person(int i = 0) : gleason(nogleason), stage(Healthy), dx(false), id(i) {};
64 void init();
65 virtual void handleMessage(const cMessage* msg);
66 virtual Time age() { return now(); }
67 };
68
69 void Person::resetPopulation() {
70 report.clear();
71 }
72
73 // initialise static member(s)
74 std::map<std::string, std::vector<double> > Person::report;
75 std::map<std::string, Rng *> Person::rng;
76
80 double dxHR(stage_t stage) {
81 // raise error if healthy?
82 return stage==Healthy ? -1 :
83 (stage==Localised ? 1.1308 :
84 (stage==LocallyAdvanced ? 0.5900 :1.3147));
85 }
86
90 double progressionHR(gleason_t gleason) {
91 return gleason==gleasonLt7 ? 1 :
92 (gleason==gleason7 ? 1.3874 : 1.4027 * 1.3874);
93 }
94
98 void Person::init() {
99 rng["NH"]->set();
100 if (R::runif(0.0,1.0)<0.2241)
101 scheduleAt(R::rweibull(exp(2.3525),64.0218),toLocalised);
102 scheduleAt(R::rexp(80.0),toDeath);
103 }
104
108 void Person::handleMessage(const cMessage* msg) {
109
110 double pDx;
111
112 report["id"].push_back(id);
113 report["startTime"].push_back(previousEventTime);
114 report["endTime"].push_back(now());
115 report["state"].push_back(stage);
116 report["event"].push_back(msg->kind);
117
118 rng["NH"]->set();
119
120 if (msg->kind == toDeath) {
121 Sim::stop_simulation();
122 }
123
124 else if (msg->kind == toPCDeath) {
125 Sim::stop_simulation();
126 }
127
128 else if (msg->kind == toLocalised) {
129 stage = Localised;
130 gleason = (R::runif(0.0,1.0)<0.6812) ? gleasonLt7 :
131 ((R::runif(0.0,1.0)<0.5016) ? gleason7 : gleasonGt7);
132 Time dwellTime = now()+
133 rweibullHR(exp(1.0353),19.8617,progressionHR(gleason)*
134 dxHR(stage));
135 // now separate out for different transitions
136 pDx = 1.1308/(2.1308);
137 if (R::runif(0.0,1.0)<pDx) {
138 scheduleAt(dwellTime, toDxLocalised);
139 }
140 else {
141 scheduleAt(dwellTime,toLocallyAdvanced);
142 }
143 }
144
145 else if (msg->kind == toLocallyAdvanced) {
146 stage=LocallyAdvanced;
147 Time dwellTime = now()+
148 rweibullHR(exp(1.4404),16.3863,progressionHR(gleason)*
149 dxHR(stage));
150 // now separate out for different transitions
151 pDx = 0.5900/(1.0+0.5900);
152 if (R::runif(0.0,1.0)<pDx) {
153 scheduleAt(dwellTime, toDxLocallyAdvanced);
154 }
155 else {
156 scheduleAt(dwellTime,toMetastatic);
157 }
158 }
159
160 else if (msg->kind == toMetastatic) {
161 stage=Metastatic;
162 Time dwellTime = now()+
163 rweibullHR(exp(1.4404),1.4242,progressionHR(gleason)*
164 dxHR(stage));
165 // now separate out for different transitions
166 pDx = 1.3147/(1.0+1.3147);
167 if (R::runif(0.0,1.0)<pDx) {
168 scheduleAt(dwellTime, toDxMetastatic);
169 }
170 else {
171 scheduleAt(dwellTime,toPCDeath); // prior to diagnosis!
172 }
173 }
174
175 else if (msg->kind == toDxLocalised) {
176 dx=true;
177 // relative survival
178 }
179
180 else if (msg->kind == toDxLocallyAdvanced) {
181 dx=true;
182 // relative survival
183 }
184
185 else if (msg->kind == toDxMetastatic) {
186 dx=true;
187 // relative survival
188 };
189
190 }
191
192
193 extern "C" {
194
195 RcppExport SEXP callPersonSimulation(SEXP inseed, SEXP parms) {
196 Rcpp::List parmsl(parms);
197 Rcpp::IntegerVector inseed2(inseed);
198 int nin = Rcpp::as<int>(parmsl["n"]);
199 double seed[6];
200 for (int i=0; i<6; i++) {
201 seed[i]=inseed2[i];
202 }
203 //r_create_current_stream();
204 RngStream::SetPackageSeed(seed);
205 Person::resetPopulation();
206 Person::rng["NH"] = new Rng();
207 Person::rng["S"] = new Rng();
208 Person::rng["NH"]->set();
209 Person person;
210 for (int i = 0; i < nin; i++) {
211 //Person::rng.foreach(nextSubStream);
212 Person::rng["NH"]->nextSubstream();
213 Person::rng["S"]->nextSubstream();
214 person = Person(i);
215 Sim::create_process(&person);
216 Sim::run_simulation();
217 Sim::clear();
218 }
219 // tidy up -- what needs to be deleted?
220 delete Person::rng["NH"];
221 delete Person::rng["S"];
222 // Person::rng.clear();
223 // output arguments to R
224 return Rcpp::wrap(Person::report);
225
226 } // callPersonSimulation()
227
228 } // extern "C"
229
230 } // namespace person_r
231
232 namespace {
233
234 class VerySimple : public cProcess {
235 public:
236 void init() {
237 scheduleAt(10.0, "a message");
238 scheduleAt(11.0, "another message");
239 };
240 virtual void handleMessage(const cMessage* msg) {};
241 };
242
243 extern "C" {
244
245 RcppExport SEXP callSpeedTest() {
246 VerySimple simple;
247 for (int i = 0; i < 1000000; i++) {
248 simple = VerySimple();
249 Sim::create_process(&simple);
250 Sim::run_simulation();
251 Sim::clear();
252 }
253 return Rcpp::wrap(1);
254
255 } // callSpeedTest()
256
257 } // extern "C"
258
259 } // anonymous namespace
260
261
262
nogleason
@ nogleason
Definition: person-r-20121231.cc:37
Person::init
void init()
Definition: person-r-20121231.cc:98
gleason7
@ gleason7
Definition: person-r-20121231.cc:37
gleasonLt7
@ gleasonLt7
Definition: person-r-20121231.cc:37
ssim::Rng
Definition: microsimulation.h:393
callPersonSimulation
void callPersonSimulation(int *inseed, double *parms, int *nin, double *out, int *nout)
Definition: person-r-20121231.cc:194
stage_t
stage_t
enum of type of disease stage
Definition: person-r-20121231.cc:40
Person::resetPopulation
static void resetPopulation()
Definition: person-r-20121231.cc:65
ssim::now
Time now()
now() function for compatibility with C++SIM
Definition: microsimulation.cc:14
progressionHR
double progressionHR(gleason_t gleason)
Definition: person-r-20121231.cc:90
Localised
@ Localised
Definition: person-r-20121231.cc:40
Metastatic
@ Metastatic
Definition: person-r-20121231.cc:41
gleason_t
gleason_t
enum for type of Gleason score
Definition: person-r-20121231.cc:37
ssim::cProcess
cProcess class for OMNET++ API compatibility. This provides a default for Process::process_event() th...
Definition: microsimulation.h:236
Death
@ Death
Definition: person-r-20121231.cc:41
LocallyAdvanced
@ LocallyAdvanced
Definition: person-r-20121231.cc:40
Rcpp::wrap
SEXP wrap(const std::vector< std::pair< T1, T2 > > v)
DxMetastatic
@ DxMetastatic
Definition: person-r-20121231.cc:41
DxLocallyAdvanced
@ DxLocallyAdvanced
Definition: person-r-20121231.cc:40
microsimulation.h
gleasonGt7
@ gleasonGt7
Definition: person-r-20121231.cc:37
ssim::Time
double Time
virtual time type
Definition: ssim.h:79
dxHR
double dxHR(stage_t stage)
Definition: person-r-20121231.cc:80
ssim::rweibullHR
double rweibullHR(double shape, double scale, double hr)
Random Weibull distribution for a given shape, scale and hazard ratio.
Definition: microsimulation.cc:10
DxLocalised
@ DxLocalised
Definition: person-r-20121231.cc:40
ssim::cMessage::kind
short kind
Definition: microsimulation.h:199
Healthy
@ Healthy
Definition: person-r-20121231.cc:40
illnessDeath::report
EventReport< short, short, double > report
Definition: illness-death.cpp:13
illnessDeath::event_t
event_t
Definition: illness-death.cpp:11
Person::handleMessage
virtual void handleMessage(const cMessage *msg)
Definition: person-r-20121231.cc:107
ssim
name space for the Siena simulator.
Definition: microsimulation.cc:8
ssim::cMessage
cMessage class for OMNET++ API compatibility. This provides a heavier message class than Sim::Event,...
Definition: microsimulation.h:191