On 06/29/2010 01:04 AM, Simon Kiss wrote:
Dear colleagues,
I have extracted the dates of several news stories from a newspaper data
base to chart coverage trends of an issue over time. They are in a data
frame that looks just like one generated by the reproducible code below.
I can already genera
Hi Simon,
Here are two ways to do that with ggplot:
qplot(test2, data = test_df, geom = "freqpoly", colour = test,
binwidth = 30, drop = F)
qplot(test2, data = test_df, geom = "bar", fill = test, binwidth = 30)
binwidth is in days. If you want to bin by other intervals (like
months), I'd recomm
Dear colleagues,
I have extracted the dates of several news stories from a newspaper
data base to chart coverage trends of an issue over time. They are in
a data frame that looks just like one generated by the reproducible
code below.
I can already generate a histogram of the dates with vari
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