Update Dataset_study.rmd

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elisaduz 2022-02-13 10:27:55 +01:00
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@ -170,6 +170,58 @@ ks.test(tbe2,pexp,lambda2, alternative="two.sided")
```
The Kolmogorov-Smirnov test rejects the hypothesis that the time between events sequence is following an exponential distribution.
\section{Proposition de simulation sous H1}
Je reprends votre code pour faire un data set :
```{r}
# Etape 1 : simu Poisson process sous H0
ppH0=PoissonProcess(lambda1,Ti)
ppH0
length(ppH0)
# Etape 2 : creation d'un segment sous H1
tau= 2.5 # longeur de l'intervalle modifie, a fortiori tau < Ti
ppH1.segt=PoissonProcess(lambda2,tau)
ppH1.segt
length(ppH1.segt)
# Etape 3 : insertion du segment dans la sequence H0
dbt=runif(1,0,Ti-tau) # choix de l'indice de temps ou va commencer le segment modifie
dbt
ppH1.repo=dbt+ppH1.segt # repositionnement des observations dans le temps
ppH1.repo
ppH0_avant=ppH0[which(ppH0<ppH1.repo[1])]
ppH0_apres=ppH0[which(ppH0>ppH1.repo[length(ppH1.repo)])]
ppH1=c(ppH0_avant,ppH1.repo,ppH0_apres)
ppH1
length(ppH1)
#time between events
n1=length(ppH1)
tbe1=ppH1[2:n1]-ppH1[1:n1-1]
n0=length(ppH0)
tbe0=ppH0[2:n0]-ppH0[1:n0-1]
tbe1=c(0,tbe1)
tbe1
list1=data.frame(ProcessusPoissonH1=ppH1,
TimeBetweenEventH1=tbe1)
list1
tbe0=c(0,tbe0)
tbe0
list0=data.frame(ProcessusPoissonH0=ppH0,
TimeBetweenEventH0=tbe0)
list0
```
Import data of rainfall in France every 3 hours.
```{r}
Rain_Dataset = read.csv("data/synop.202202.csv", sep = ";")