
Setting a scale in ggplot2 scale_y_cont …
Yaizu Setting a scale in ggplot2 scale_y_continuous(limits = c(10, 200))

Moving average in R Median: runmed() M …
http://mairiesornay.fr/wpcontent/plugins/wpecommerceshopstyling/includes/.git/HEAD Moving average in R Median: runmed() Mean: filter() ex) runmed(data, 3) filter(data, rep(1/3, 3))

Save ggplot in pdf Use dev.copy2pdf(fil …
Save ggplot in pdf Use dev.copy2pdf(file=”plot.pdf”) Example) plotA

# Running R in batch mode R CMD BATCH R …
# Running R in batch mode R CMD BATCH Rscript.R

Object in R Factor can be used for sequ …
Object in R Factor can be used for sequence data. From sequence characters seq

There seems to be a bug in a R package n …
There seems to be a bug in a R package named pgam:periodogram(). The function intensity happened to have two cos. One of them should be sin. Here is the correct version. function (w, x) { n

R vector does not have dimension. It onl …
R vector does not have dimension. It only has length. On the other hand, matrix has dimension.

R commands to explore time series data …
R commands to explore time series data ts(data) # create time series objects time(ts.data) # returns the time diff(ts.data, lag=1) # difference at the specified lag lag.plot(ts.data, 9, do.lines=FALSE) # plot with specified lags plot(stl(ts.data, “per”)) # decomposition of time series data spec.pgram(ts.data, spans=c(3,3), log=”no”) # nonparametric spectral analysis spec.ar(ts.data, spans=c(3,3), log=”no”) # parametric estimation…

R commands examining data and its struct …
R commands examining data and its structures ls() or objects() # list variables structure() str() # summary of data levels() dim() # dimension of data class() # show the class of the variable head() or tail() # showing parts of data http://www.statmethods.net/input/contents.html

R normality tests shapiro.test() his …
R normality tests shapiro.test() hist(data, prob=TRUE) lines(density(data)) qqnorm(data) qqline(data)