Category: status

View very large images http zoom it

page Web View very large images.

http://zoom.it/

March 22, 2013
Select random contents from a file Sort sort…
Select random contents from a file

Sort
```
sort -R infile | head -n 3000
```
Perl
```
perl -n -e 'print if (rand > 0.1)' infile
```
March 18, 2013

Process multiple files in a directory by Makefile…

Process multiple files in a directory by Makefile.

SOURCES := $(wildcard *_conversion.txt)
TARGETS := $(patsubst %_conversion.txt, %_uniq.txt, $(SOURCES))

.PHONY: all
all: $(TARGETS)

%_uniq.txt: %_conversion.txt
>    command $< > $@

March 18, 2013

scatter plot equivalent to pairs by ggplot http…

scatter plot equivalent to pairs() by ggplot.

http://stackoverflow.com/questions/3735286/pairs-equivalent-in-ggplot2

Hadley recommends using the GGally package instead. It has a function, ggpairs that is a vastly improved pairs plot (lets you use non-continuous variables in your data frames). It plots different plots in each square, depending on the variable types:

March 18, 2013
Probability density function in R http www cyclismo…

Probability density function in R

http://www.cyclismo.org/tutorial/R/probability.html

Chi square goodness-of-fit test in R
http://ww2.coastal.edu/kingw/statistics/R-tutorials/goodness.html

Chi square independence test in R
http://ww2.coastal.edu/kingw/statistics/R-tutorials/independ.html

ANOVA in R
http://personality-project.org/r/r.anova.html

March 15, 2013
Use Inkscape as a command line tool to…
Use Inkscape as a command line tool to batch convert svg to pdf files.
```
ls *svg | xargs -I{} inkscape -z -f {} -A {}.pdf
```
March 13, 2013
Display file system status in Unix stat
Display file system status in Unix
```
stat
```
February 13, 2013
Catalogue inspiration

Catalogue inspiration

January 18, 2013
Make the figure caption bold or customize by…

Make the figure caption bold or customize by Caption package.

http://tex.stackexchange.com/questions/3276/caption-is-bold-can-i-have-part-of-it-not-bold?rq=1

http://tex.stackexchange.com/questions/32459/figure-how-to-have-figure-1-5-in-bold

January 18, 2013
Recommended popular LaTeX packages 1 9 Essential packages…

Recommended/popular LaTeX packages.

1. 9 Essential packages.
http://www.howtotex.com/packages/9-essential-latex-packages-everyone-should-use/

2. 10+ packages.
http://blog.analogmachine.org/2011/05/16/top-10-latex-packages/

3. Discussion in TeX StackExchange forum.
http://tex.stackexchange.com/questions/553/what-packages-do-people-load-by-default-in-latex

January 18, 2013