All functions

bib()

Create a bib file for R packages, including the citations of user-defined packages.

dfplot()

Plot a dataframe, multiple ys against one x

dfplot2()

Plot a dataframe, one y against multiple xs

errorbar()

add error bars to a scatterplot.

list2ascii()

Save a list into an ASCII file. in: a list. out: a file.

lmdf()

calculate linear regression between every two columns in a data frame. in: a dataframes. out: a dataframe showing the linear regression.

mf_skewness()

Calculate the skewness of a distribution

name()

Enhancement of names()

plotblank()

plot a blank figure

plotcolorbar()

A reminder for color bars. More palettes can be found in 'colormap', 'RColorBrewer', and 'dichromat' packages.

plotcolors()

A reminder for colors

plothist()

Plot a user-customized hist

plotlm()

plot a linear regression figure and return a list of parameters.

plotlty()

A reminder for lty

plotpairs()

plot pair-wise correlations. in: a dataframe. out: a figure.

plotpairs2()

plot pair-wise correlations with p value. in: a dataframe. out: a figure.

plotpch()

A reminder for pch

plotpkg()

plot daily download counts of packages

plottype()

A reminder for type

readdir()

Read multiple tables into a list.

rpkg()

Create a new R package demo folder

se()

standard error

tapplydf()

a friendly version of tapply for dataframes

tapplydfv()

a friendly version of tapply

writefile()

save csv file with asking if the file already exists.