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3 results for “from:Juanjuan Chai”

sort a data frame according to all the Columns
Juanjuan Chai · Jan 27, 2010 · r-help

Hi, I have a data frame read from a .csv file, with columns V1,V2,V3...,V18, per say, and I want to sort this data frame according to V1, and then V2, then V3..., and so on. Is there...

density plot of simulated exponential distributed data
Juanjuan Chai · Apr 28, 2011 · r-help

I tried logspline function using a lower bound 0 for my data, it works like a charm. When the I changed the xlim only positive part, the vertical line was also gone. That's exactly what I expected. Thanks. -JJ...

density plot of simulated exponential distributed data
Juanjuan Chai · Apr 26, 2011 · r-help

Hi all, I tried to plot the density curve using the data from simulation. I am sure that the data should be exponentially distributed, but the plot of density curve always starts from (0,0) which is not the case...

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