Descriptive Analysis - Life Expectancy Details

Descriptive Analysis

Life Expectancy Based On Regions

This business case describes about the life expectancy of the people starting from 1950 till 2011 and through this analysis, we could understand the average life span based on their life styles, food habits… etc

Required Packages for the analysis
library(dplyr)
library(ggplot2)
library(patchwork)
library(janitor)
library(gapminder)
library(thematic)

data <- gapminder::gapminder %>%
janitor::clean_names() %>%
mutate(
# Reformat to factor instead of character
id = levels(continent)[as.numeric(continent)],
continent = forcats::fct_reorder(continent, life_exp))

color_palette <- thematic::okabe_ito(5)
names(color_palette) <- unique(data$continent)
base_size <- 18
mean_life_exps <- data %>%
group_by(continent, year, id) %>%
summarise(mean_life_exp = mean(life_exp)) %>%
ungroup()
line_chart <- mean_life_exps %>%
ggplot(aes(x = year, y = mean_life_exp, col = continent)) +
geom_line(linewidth = 2.5) +
geom_point(size = 4) +
theme_minimal(base_size = base_size) +
labs(x = element_blank(),y = 'Life expectancy (years)',
title = 'Life expectancy starting from 1950 till 2011'

) +

theme(

text = element_text(

color = 'grey'

),

legend.position = 'none',

panel.grid.minor = element_blank(),

plot.title.position = 'plot'

) +

scale_color_manual(values = color_palette)