Working with XML Data in R A common task for programmers these days is writing code to analyze data from various sources and output information…
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Author: calsalmon
XRDP – Installing XRDP on Ubuntu 15.04
Note : The instructions provided hereafter are working and valid for ubuntu 15.04 systems using the systemd component. You can still use this setup guide…
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How to install updates via command line?
When I log into my web server via SSH I see the information: 88 packages can be updated. 80 updates are security updates I tried…
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How to use xRDP for remote access to Ubuntu 14.04
To remotely control my Windows machines, I always prefer to use RDP (Remote Desktop Protocol) as it performs much nicer than VNC (Virtual Network Computing). VNC has this…
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Taking control of qualitative colors in ggplot2
Optional getting started advice Ignore if you don’t need this bit of support. This is one in a series of tutorials in which we explore…
View More Taking control of qualitative colors in ggplot2Introduction to ggthemes
ggthemes Package Overview Some extra geoms, scales, and themes for ggplot, including: Geoms geom_rangeframe : Tufte’s range frame geom_tufteboxplot: Tufte’s box plot Themes theme_calc: a…
View More Introduction to ggthemesSSH/OpenSSH/Keys
Public and Private Keys Public key authentication is more secure than password authentication. This is particularly important if the computer is visible on the internet.…
View More SSH/OpenSSH/KeysPosition scale, date
Usage scale_x_date(…, expand = waiver(), breaks = pretty_breaks(), minor_breaks = waiver()) scale_y_date(…, expand = waiver(), breaks = pretty_breaks(), minor_breaks = waiver()) Arguments breaks A vector…
View More Position scale, dateR Time Data Types
Contents Time and Date Variables Time Operations The time data types are broken out into a separate section from the introductory section on data types.…
View More R Time Data TypesUnix – File Permission / Access Modes
File ownership is an important component of UNIX that provides a secure method for storing files. Every file in UNIX has the following attributes −…
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