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A&E - arrivals - March to April, 27th, 2013
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################################################### | |
# A&E - arrivals - March to April, 27th, 2013 ## | |
################################################### | |
####################### | |
#reading the data ##### | |
####################### | |
data <- read.csv("df.csv", header = TRUE) | |
################################## | |
# Importing the libraries I need## | |
################################## | |
library(lubridate) | |
library(tidyverse) | |
################################## | |
################################## | |
######################################## | |
######################################## | |
# Subseting the data I am interested in# | |
######################################## | |
head(data, 10) | |
data$X <- NULL | |
####################################################### | |
# Code that converts all the columns names to lowercase | |
df_tolower <- function(x) { | |
colnames(x) <- tolower(colnames(x)) | |
x | |
} | |
##################################################### | |
df <- df_tolower(data) | |
################################################################################################################ | |
# subseting data set | |
################################################################################################################ | |
dt_rmds<- df[c("pat_code","start_datetime", "end_datetime", "episode.order", "spell.number")] | |
################ | |
################ | |
colname_ct <- function(df, colname){ | |
df[,colname] = as.POSIXct(df[,colname]) | |
df | |
} | |
################################################ | |
# applying function to change col to POSIxCT ### | |
################################################ | |
################################################ | |
dt_rmds_ct <- dt_rmds %>% | |
colname_ct("start_datetime") %>% | |
colname_ct("end_datetime") | |
################################# | |
# Subseting the data | |
################################# | |
dt_hocc_month <- subset(dt_rmds_ct, (start_datetime >= "2013-03-01 00:00:00" & start_datetime <= "2013-04-27 23:59:00" | end_datetime >= "2013-03-01 00:00:00" & end_datetime <= "2013-04-27 23:59:00")) | |
str(dt_hocc_month) | |
########################################################################### | |
# Finding the hour from Admission Date for each patient ###### | |
########################################################################### | |
dt_adm_count <- dt_hocc_month %>% | |
mutate( | |
Time = ymd_hms(start_datetime), | |
Hour_admission = hour(start_datetime), | |
Day = day(start_datetime), | |
Weekday = wday(start_datetime), | |
Month = month(start_datetime) | |
) %>% | |
dplyr::count(Hour_admission, Day, Weekday, Month) | |
############################### | |
# Count the admissions ######## | |
############################### | |
admission_dt_avg_plot <- dt_adm_count %>% | |
group_by(Hour_admission) %>% | |
summarise(Avg = mean(n)) %>% | |
na.omit() | |
############################### | |
# Ploting | |
############################### | |
ggplot(admission_dt_avg_plot, aes(y = Avg, x = Hour_admission, group = Avg, fill = Avg))+ | |
scale_x_continuous(breaks = 0:23) + | |
#geom_line(size = 1) + # does not look nice at all | |
geom_bar(stat = "identity", width=0.7, fill="steelblue") + | |
scale_y_continuous(expand = c(0, 0), limits = c(0, 30)) + | |
labs(title = "Arrivals in Hospital, 1st of March to 27th of April 2013", | |
subtitle = "Average ED of daily hospital arrivals by hour of the day. | |
Note: results are intended for management information only", | |
y = "Average- Hospital Arrivals", x = "Hours of the day", caption = "Source: CLAHRC NIHR") + | |
theme(axis.title.y = element_text(margin = margin(t = 0, r = 21, b = 0, l = 0)), | |
plot.title = element_text(size = 12, face = "bold"), | |
plot.subtitle = element_text(size = 10)) + | |
theme_bw() |
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