urlfile<-'https://raw.github.com/utjimmyx/resources/master/avocado_HAA.csv'
data<-read.csv(urlfile, fileEncoding="UTF-8-BOM")
summary(data)
## date average_price total_volume type
## Length :12628 Min. :0.500 Min. : 253 Length :12628
## N.unique : 154 1st Qu.:1.100 1st Qu.: 15733 N.unique : 2
## N.blank : 0 Median :1.320 Median : 94806 N.blank : 0
## Min.nchar: 8 Mean :1.359 Mean : 325259 Min.nchar: 7
## Max.nchar: 10 3rd Qu.:1.570 3rd Qu.: 430222 Max.nchar: 12
## Max. :2.780 Max. :5660216
## year geography
## Min. :2017 Length :12628
## 1st Qu.:2018 N.unique : 41
## Median :2019 N.blank : 0
## Mean :2019 Min.nchar: 5
## 3rd Qu.:2020 Max.nchar: 20
## Max. :2020
library(plyr)
str(data)
## 'data.frame': 12628 obs. of 6 variables:
## $ date : chr "2017/12/3" "2017/12/3" "2017/12/3" "2017/12/3" ...
## $ average_price: num 1.39 1.44 1.07 1.62 1.43 1.58 1.14 1.77 1.4 1.88 ...
## $ total_volume : int 139970 3577 504933 10609 658939 38754 86646 1829 488588 21338 ...
## $ type : chr "conventional" "organic" "conventional" "organic" ...
## $ year : int 2017 2017 2017 2017 2017 2017 2017 2017 2017 2017 ...
## $ geography : chr "Albany" "Albany" "Atlanta" "Atlanta" ...
# Let's build a simple histogram
hist(data$average_price ,
main = "Histogram of average_price",
xlab = "Price in USD (US Dollar)")
library(ggplot2)
ggplot(data, aes(x = average_price, fill = type)) +
geom_histogram(bins = 30, col = "red") +
scale_fill_manual(values = c("blue", "green")) +
ggtitle("Frequency of Average Price - Oragnic vs. Conventional")
ggplot() + geom_col(data, mapping = aes(x = reorder(geography,total_volume), y = total_volume, fill = year )) + xlab(“geography”)+ ylab(“total_volume”)+ theme(axis.text.x = element_text(angle = 90, size = 7))
```