Data visualization with ggplot2

library(readr)
library(dplyr)

Attaching package: 'dplyr'

The following objects are masked from 'package:stats':

    filter, lag

The following objects are masked from 'package:base':

    intersect, setdiff, setequal, union

df <- read_tsv("https://tinyurl.com/qwe-asd-zxc")

Rows: 4172 Columns: 32

── Column specification ────────────────────────────────────────────────────────
Delimiter: "\t"
chr (22): sampleId, popId, site, country, region, groupLabel, groupAge, flag...
dbl (10): shapeA, latitude, longitude, age14C, ageHigh, ageLow, ageAverage, ...

ℹ Use `spec()` to retrieve the full column specification for this data.
ℹ Specify the column types or set `show_col_types = FALSE` to quiet this message.