Posted by: mistan
NB: Quantitative = continuous
Categorical = Discrete
| Variable | Charts | Statistics |
|---|---|---|
| Category | Bar Chart, Pie Chart | frequencies ->Chi Square |
| Quantitative | Box Plot, Histogram | descriptive -> single mean or proportion: Hypothesis test |
geom_bar. ggplot2 0.9.3.1geom_bar. ggplot2 0.9.3.1
The bar geom is used ...
R is a free software environment for statistical computing and graphics. The following is some basics about R data types.
| vector | list | matrix | dataframe | |
|---|---|---|---|---|
| creation | c | list | matrix | data.frame |
| same type | Y | N | Y | N |
| class | class of its elements | list | matrix | data.frame |
Posted by: mistan
Adapted from org-mode official site.
Install R with binary or source code Comprehensive R Archive Network for Arch Linux, following documents here.
Three great virtues of a programmer; Laziness, Impatience and Hubris. – Larry Wall
It was a late night, and I did a full system update. Either it failed during update or whatever … as I said it is late and I am tired… The system won’t boot into Linux the next morning
As I suspected, the kernal is corrupted.
rollback the kernal from cache:
I came across this script after a long struggle to set up a hotspot using my computer’s internet service, wired or wirelss. Create_ap script uses hostapd + dnsmasq + iptables to create a NATed Access Point OR hostapd + brctl + dhclient to create a bridged Access Point. The default behavior is a NATed Access Point,see here or github.
You need a nl80211 compatible wireless device, which ...
Here’s what you need to do in order to get LIRC working properly on Raspbian:
last updated: 06/09/2016-10:27:13 AM
We have purchased over $9000 worth of Bolivian Rosewood and the tools necessary for installation. After I took my time off work and finished a small ...
Posted by: mistan
After a long search (see session below), I came across this tool for PDF annotation. PDF Tools is a DocView replacement for pdf on steroids. It renders pdf files in memory on demand, thus allows much extended capabilities, such as annotation, search and lots more just like another org file. See it in action here or my screen cast.
Update: What ...
General instruction from Arch wiki.
Dual boot with Windows – ArchWikiDual boot with Windows – ArchWiki Mind that there is no need to create an additional EFI System Partition, since it already exists (see above): when required, mount this to
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