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infografia.R
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249 lines (190 loc) · 8.47 KB
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library(tidyverse)
library(nycflights13)
view(flights)
glimpse(flights) #reviso tipo de datos
#Ver si hay datos repetidos
flights %>%
summarise(distintos=n_distinct(flight), total=n())
unique(flights$year) #----> 2013
unique(flights$month) # ----> 12 meses
unique(flights$day) #------> 31 dias
unique(flights$dep_delay)
#unique(flights$dep_time)
#unique(flights$sched_dep_time)
#unique(flights$arr_time)
unique(flights$carrier)
#unique(flights$flight)
#unique(flights$tailnum)
unique(flights$origin)
unique(flights$dest)
#unique(flights$air_time)
#unique(flights$distance)
flights <- flights %>%
mutate(dep_delay = as.numeric(dep_delay))
glimpse(flights)
flights %>% summarise(vuelos = n(),
aerolinea = sum(is.na(carrier)),
destino = sum(is.na(dest)),
origen= sum(is.na(dest)),
hora_salida= sum(is.na(sched_dep_time)),
retraso = sum(is.na(dep_delay)),
despegue= sum(is.na(dep_time))
)
#Hay muchos NA en tiempo de retraso, analizar los retrasos en vuelos a Florida.
#Evaluar por aerolinea/destino los retrasos... ver guia6 para separar
aerop_playas= c('MIA' , 'TPA', 'SRQ', 'PBI', 'MCO', 'JAX', 'RSW', 'FLL', 'EYW', 'HNL', 'SAN', 'ILM')
vuelos_a_playas <- flights %>% #dataset con vuelos a florida y hawaii
filter(dest %in% aerop_playas)
vuelos_a_playas%>%
count()
vuelos_a_playas%>% summarise(vuelos = n(),
aerolinea = sum(is.na(carrier)),
destino = sum(is.na(dest)),
origen= sum(is.na(dest)),
hora_salida= sum(is.na(sched_dep_time)),
retraso = sum(is.na(dep_delay)), #el dataset tiene 65 NA es retrasos
despegue= sum(is.na(dep_time)))
#flights %>% #evalúo si vale la pena agregar vuelos a hawaii, como la cantidad de vuelos son 707 no los incluyo en el dataset
# filter(dest == 'HNL')%>%
#count()
vuelos_a_playas%>%
group_by(origin)%>%
summarise(n())
proporcion <- flights%>%
group_by(origin)%>%
summarise(vuelos_totales= n(), a_playas= sum(dest %in% aerop_playas) )
proporcion
flights <- flights%>%
mutate(Playas = if_else(dest %in% aerop_playas, "si", "no"))
view(flights)
ggplot(flights)+
geom_bar( aes(x=origin, fill= Playas), position="fill")+
xlab("Aeropuerto")+
scale_x_discrete(labels=c('Newark', 'J.F. Kennedy', 'La Guardia'))+
scale_fill_manual(name='Destino', labels=c('Otro', 'Playa'), values = c("grey","orange"))+
ylab("Proporción[Vuelos]")+
labs(title= "Vuelos a destinos playeros desde Nueva York" ,
subtitle="Comparación entre aeropuertos",
caption= "Fig. 1")+
theme(axis.title = element_text(size=12),
axis.text = element_text(size=10),
title = element_text(size=14),
legend.title = element_text(size=12))
ggplot(flights)+
geom_bar( aes(x=origin, fill= Playas))
#########################################
# Se filtro el dataset solo para los vuelos que salen de JFK y LGA hacia destinos playeros
flights_2 <- flights%>%
filter(origin %in% c('JFK', 'LGA') & dest %in% aerop_playas)
view(flights_2)
flights_2%>%
summarise(vuelos = n(),
aerolinea = sum(is.na(carrier)),
destino = sum(is.na(dest)),
origen= sum(is.na(dest)),
hora_salida= sum(is.na(sched_dep_time)),
retraso = sum(is.na(dep_delay)), #el dataset tiene 373 NA en retrasos
despegue= sum(is.na(dep_time)))
#Metricas de resumen sobre retrasos de cada aeropuerto
retrasos_resumen<-flights_2 %>%
group_by(origin)%>%
summarise(name = c('Min','Quantil 0,05', '1er Quartil', 'Mediana', '3er Quartil','Quantil 0,95', 'Max'),
value = c(min(dep_delay, na.rm=T),
quantile(dep_delay, probs = 0.05, na.rm=T),
quantile(dep_delay, probs = 0.25, na.rm=T),
median(dep_delay, na.rm=T),
quantile(dep_delay, probs = 0.75, na.rm=T),
quantile(dep_delay, probs = 0.95, na.rm=T),
max(dep_delay, na.rm=T)))%>%
pivot_wider( names_from=name, values_from=value)
retrasos_resumen
ggplot(flights_2)+
geom_boxplot(aes(x=origin, y=dep_delay), colour="black", fill=c("blue","lightblue"))+
coord_cartesian(ylim=c(-5,30))+
xlab("Aeropuerto")+
scale_x_discrete(labels=c('J.F. Kennedy', 'La Guardia'))+
ylab("Demora[Minutos]")+
labs(title= "Demoras de vuelos a destinos playeros" ,
subtitle="Comparación entre aeropuertos",
caption= "Fig. 2 - Gráfico con zoom para mostrar los datos de mayor importancia para éste análisis")+
theme(axis.title = element_text(size=12),
axis.text = element_text(size=10),
title = element_text(size=14),
legend.title = element_text(size=12))
sin_outliers <- flights_2%>%
filter(dep_delay >= -10 & dep_delay<= 83 )
ggplot(sin_outliers)+
geom_density(aes(x= dep_delay, fill= origin),alpha= 0.6, position="identity")+
ylab("Densidad")+
scale_fill_manual(name= "Aeropuerto", labels=c('J.F. Kennedy', 'La Guardia'), values = c("blue", "lightblue"))+
xlab("Retraso[Minutos]")+
labs(title= "Densidad de demoras de vuelos a destinos playeros" ,
subtitle="Comparación entre aeropuertos")+
theme(axis.title = element_text(size=12),
axis.text = element_text(size=10),
title = element_text(size=14),
legend.title = element_text(size=12))
ggplot(sin_outliers)+
geom_density(aes(x= dep_delay, fill= origin),alpha= 0.6, position="identity")+
ylab("Densidad")+
scale_fill_manual(name= "Aeropuerto", labels=c('J.F. Kennedy', 'La Guardia'), values = c("blue", "lightblue"))+
xlab("Demora[Minutos]")+
labs(title= "Densidad de demoras de vuelos a destinos playeros" ,
subtitle="Comparación entre aeropuertos",
caption = "Fig. 3 - Gráfico con zoom para mostrar los datos de mayor importancia para éste análisis.")+
theme(axis.title = element_text(size=12),
axis.text = element_text(size=10),
title = element_text(size=14))+
coord_cartesian (xlim = c(0, 40))
aerop_jfk <- flights_2%>%
filter(origin == "JFK")
ggplot(aerop_jfk)+
geom_histogram(aes(x=sched_dep_time), position="identity", colour= "blue",fill= "orange", bins=18)+
geom_freqpoly(aes(x=sched_dep_time) ,binwidth = 100, colour ="red", linewidth= 0.8)+
ylab(NULL)+
scale_y_discrete(NULL)+
scale_x_continuous(
breaks = c(500, 1000, 1500, 2000),
labels =c("5", "10", "15", "20")
)+
xlab("Horario de vuelos[Hora]")+
labs(title= "Frecuencia de horarios de vuelos hacia destinos con playas" ,
subtitle="Aeropuerto J. F. Kennedy",
caption= "Fig. 4")+
theme(axis.title = element_text(size=12),
axis.text = element_text(size=10),
title = element_text(size=14))
#facet_grid(cols = vars(origin))
#facet_grid(rows = vars(origin))
#facet_grid(vars(origin), vars(dest))
horario_salida <- unique(flights_2$sched_dep_time)
min(horario_salida)
max(horario_salida)
#Agrego columna con rangos horarios
aerop_jfk <- aerop_jfk%>%
mutate(rango_horario = case_when(
sched_dep_time > 500 & sched_dep_time <= 700 ~ 1,
sched_dep_time > 700 & sched_dep_time <= 900 ~ 2,
sched_dep_time > 900 & sched_dep_time <= 1100 ~ 3,
sched_dep_time > 1100 & sched_dep_time <= 1300 ~ 4,
sched_dep_time > 1300 & sched_dep_time <= 1500 ~ 5,
sched_dep_time > 1500 & sched_dep_time <= 1700 ~ 6,
sched_dep_time > 1700 & sched_dep_time <= 1900 ~ 7,
sched_dep_time > 1900 & sched_dep_time <= 2100 ~ 8,
sched_dep_time > 2100 ~ 9,
))
view(flights_2)
sum(is.na(flights_2$rango_horario)) #No quedaron valores NA
aerop_jfk <- aerop_jfk%>%
mutate(rango_horario = case_when(
sched_dep_time >= 500 & sched_dep_time < 800 ~ "5 - 8",
sched_dep_time >= 800 & sched_dep_time < 1200 ~ "8 - 12",
sched_dep_time >= 1200 & sched_dep_time < 1600 ~ "12 - 16",
sched_dep_time >= 1600 & sched_dep_time < 2000 ~ "16 - 20",
sched_dep_time >= 2000 & sched_dep_time <2300 ~ "20 - 23",
))
ggplot(aerop_jfk)+
geom_freqpoly(aes(x=rango_horario),alpha=0.5, position= "identity")+
scale_x_discrete(limits= c("5 - 8","8 - 12", "12 - 16", "16 - 20", "20 - 23"))
ggplot(aerop_jfk)+
geom_freqpoly(aes(x=rango_horario),alpha=0.5, position= "identity" )