I am trying to automatically produce a series of histograms from every column
of data frame with many columns.
The columns names of a shortened from of the data frame follow:
colnames<-names(smdata)
colnames
[1] "X13594_pre" "X15568_pre"
I want to have
X13594_pre in the title of the first histogram and
X15568_pre in the title of the second histogram.
I use the following code to automatically generate my histograms:
for (i in 1:2){hist(smdata[,colnames[i]])}
The titles of the histograms produced are:
Histogram of smdata[,colnames[i]]
and
Histogram of smdata[,colnames[i]]
How can I get the titles
Histogram of smdata[,X13594_pre]
and
Histogram of smdata[,X15568_pre]
John David Sorkin M.D., Ph.D.
Professor of Medicine
Chief, Biostatistics and Informatics
University of Maryland School of Medicine Division of Gerontology and Geriatric
Medicine
Baltimore VA Medical Center
10 North Greene Street
GRECC (BT/18/GR)
Baltimore, MD 21201-1524
(Phone) 410-605-7119
(Fax) 410-605-7913 (Please call phone number above prior to faxing)
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