Presenter: Tor Vagen
Presentation Materials:
Author archives: admin
Data visualization with ggplot2 for intermediate and advanced users
Written by , on Feb. 10, 2020 in R, Training.
Last update on Feb. 10, 2020.
Introduction to data visualization with ggplot2
Written by , on Jan. 20, 2020 in Software, R, Training, Workshop.
Last update on Jan. 20, 2020.
Presenter: Jason Kinyua
Presentation Materials:
- Presentation PDF
- .Rmd Script
- movement-speeds-quarterly-by-hod-nairobi-2019-Q2.csv
- In this seminar you will learn about data visualization with ggplot2
Presenter: Parmutia Makui
Presentation Materials:
In this seminar you will learn about data manipulation using the tidyverse package dplyr
ICRAFUseR: Introduction_Reading_data_into_R
Written by , on Nov. 21, 2019 in Software, R, Training.
Last update on Nov. 21, 2019.
Presenter: Aida Bargues Tobella
Presentation Recording:
Presentation Materials:
Download script here
Download the Data folder
ICRAFUseR: Introduction to Machine Learning in R
Written by , on Nov. 11, 2019 in R, Training, Workshop.
Last update on Nov. 11, 2019.
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This is hands-on workshop is meant to introduce you to the basics of machine learning in R: more specifically, it will show you how to use R to work well known machine learning algorithms, including unsupervised (k-means clustering) and supervised methods (such as k-nearest neighbours, SVM, random forest).
There is ...
ICRAFUseR: Introduction to R
Written by , on Oct. 25, 2019 in Software, R, Training, Workshop.
Last update on Oct. 25, 2019.
Presenter: Faith Musili
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Presentation Materials:
New version of Africa Tree Finder on the Google Play Store
Written by on Nov. 7, 2017 in Biodiversity, GIS, Software.
Last update on Nov. 7, 2017.
A new version of the Africa Tree Finder is on the Google Play store with lots of improvements and new functionality. Have a look here: https://play.google.com/store/apps/details?id=com.icraf.gsl.africatreefinder&hl=en
If you remember, Tor introduced "dplyr" package back in seminar 7. This week, Anthony Ndungu (Research Method Group) continued with "dplyr" and some examples. You can see his presentation below
Source code for 9th seminar is shown below.
#Antony Ndungu, RMG
#R Seminar
#Using ddply
#......................................................................
setwd("/Users/Antony/Documents/Antony/RMG stuffs/RTraining_ICRAF/Data/")
############################################
# library ...
R seminar series: Seminar 8
Written by , on March 27, 2015 in Software, R.
Last update on March 27, 2015.
We have conducted 8 R Brown-bag seminars till now. This week we decided to revisit some of the examples shown in previous seminars, participants were asked to write code in RStudio and show results (code writing practice session).
See the presentation of seminar 8 below
Data used in this seminar is available here and source ...
ggplot2 and dplyr
The seventh R brownbag seminar was by Dr. Tor G. Vagen (Senior Scientist, ICRAF) who continued from the previous week and demonstrated more advanced use of ggplot2. The dplyr package, which will be the topic of several future seminars was also introduced.
# Tor-G Vågen
# R brownbag seminar march 19th, 2015
# For those ...