In mgaldino/line4PPPsim: Simulates Fiscal Impact of Subway PPP in Brazil

knitr::opts_chunk$set(
  collapse = TRUE,
  comment = "#>",
  fig.path = "man/figures/README-",
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line4PPPsim

This package allows the user to run Monte Carlo simulation on the fiscal impact of subway PPP. This version is focused only on line4 yellow. Future versions will include Rio de Janeiro's VLT.

Installation

You can install the github version of line4PPPsim from CRAN with:

library(devtools)
devtools::intall_github("mgaldino/line4PPPsim")

Example

Como analisar impacto de ajuste de demanda com simulação.

library(line4PPPsim)
library(dplyr)
library(ggplot2)

resultado <- sim_sensibilidade_line4(n_sim = 100, num_years = 33, start_seed = 1, mu = 0, sd= .05, ajuste_inflacao = F, type="random_walk")

result_sim <- resultado[[1]]

result_sim %>% ggplot(aes(x=ano, y=diferenca, group = sim)) + 
  geom_line() + ylab("diferença entre realizado e previsto") +
  scale_y_continuous(labels = scales::comma_format(prefix = "R$ ",big.mark = ".", decimal.mark = ",")) +
  theme_bid()