luisDVA’s gists

luisDVA / ggplotly-barras-rotuladas.r

Created November 17, 2020 17:58

	library(ggplot2)
	library(dplyr)

	# datos internos que vienen con ggplot2
	animals <-
	msleep %>% slice_max(sleep_rem, n = 30) %>% # seleccionando top 30
	ggplot(aes(x = forcats::fct_reorder(name, sleep_total), y = sleep_total, label = name)) +
	geom_bar(stat = "identity") + xlab("") +
	geom_text(nudge_y = 2, hjust = 0) +
	theme(

luisDVA / regex-01_understanding-regex.R

Last active November 24, 2020 20:07

Understanding a regular expression - your turn: Solutions

	## %######################################################%##
	# #
	#### Understanding a regular expression - your turn ####
	# #
	## %######################################################%##

	# Write regular expressions to match:
	# Test with stringr, regexplain, or a web-based regex tester

	# "cute, cuuute, cuuuuuute, and cuuuuuuuuute"

luisDVA / regex-02_regex-4-data-cleaning.R

Created November 24, 2020 20:54

Regex for data cleaning

	## %######################################################%##
	# #
	#### Regex for data cleaning - your turn ####
	# #
	## %######################################################%##

	# 1. Download CRAN package descriptions
	# 2. Select Package name, author, description, and all variables that end in 'ports'
	# 3. Filter rows for packages with names that:
	# - end in plot

luisDVA / common-issues-01_unusable-headers.R

Last active January 12, 2021 22:41

Unusable headers

	## %######################################################%##
	# #
	#### Unusable variable names - your turn ####
	# #
	## %######################################################%##

	# - Import the Marine Protected Areas data (MPAS-your.csv)
	# - Make the variable names usable by placing all header fragments in a single
	# header row
	# - Clean the names for consistency

luisDVA / common-issues-02_whitespace.R

Last active January 12, 2021 22:40

Whitespace

	## %######################################################%##
	# #
	#### Whitespace - your turn ####
	# #
	## %######################################################%##

	# - Import the Marine Protected Areas data (MPAS-your.csv) from the previous lesson
	# - check the Country variable for leading or trailing whitespace
	# - Remove it if necessary.

luisDVA / common-issues-03_lettercase.R

Last active June 28, 2021 19:57

Letter case

	## %######################################################%##
	# #
	#### Letter case - your turn ####
	# #
	## %######################################################%##


	# Import the Marine Protected Areas dataset (MPAS-your.csv)
	# Summarize the number of Marine Protected Areas by country (Country full).

luisDVA / common-issues-04_emb-subheaders.R

Created November 25, 2020 20:10

Missing, implicit, or misplaced grouping variables

	## %######################################################%##
	# #
	#### Missing, implicit, or misplaced ####
	#### grouping variables - your turn ####
	# #
	## %######################################################%##

	# Load the `primates2017` dataset bundled with 📦 `unheadr`
	# Create a new column that groups the different species by taxonomic family.
	# In biology, taxonomic families all end in the suffix "_DAE_"

luisDVA / common-issues-05_compound-values.R

Last active January 27, 2021 22:33

Compound values

	## %######################################################%##
	# #
	#### Compound values - your turn ####
	# #
	## %######################################################%##

	# Import the Marine Protected Areas dataset (MPAS-your.csv)
	# Separate the country codes variable (ISO3 and UN scheme)
	# Unnest the Reference variable
	# > Keep an eye on the separators

luisDVA / common-issues-06_duplicates.R

Created November 26, 2020 01:08

Duplicates

	## %######################################################%##
	# #
	#### Duplicates - your turn ####
	# #
	## %######################################################%##

	# Load the messy Age of Empires units dataset bundled with `unheadr` (AOEunits_raw)
	# Keep only units of Type "Cavalry"
	# Identify duplicated records across all variables
	# Remove duplicated records across all variables

luisDVA / common-issues-07_broken-values.R

Last active January 12, 2021 22:38

Broken values

	## %######################################################%##
	# #
	#### Broken values - your turn ####
	# #
	## %######################################################%##

	# Load the raw Age of Empires units dataset from csv (aoe_raw.csv)
	# Identify the broken values in both the 'Type' and 'Name' columns and unbreak them
	# Clean up any separator-related issues arising from the 'unbreaking'

Luis Verde Arregoitia luisDVA