Displaying 2 results from an estimated 2 matches for "dummy_vars".
2009 Dec 20
1
"Object is not a matrix" Error
I'm trying to follow this guide here:
http://www.ats.ucla.edu/stat/r/modules/dummy_vars.htm
In which I'm creating categorical variables using the factor function.
I am able to go through the example listed above and have everything work,
however, when I try to input my own numbers, I get an error. I input the
following:
> hits = read.csv(file.choose())
> attach(hits)...
2013 Jan 30
1
Creating dummy variables in r
Hello,
Semi-new r user here and still learning the ropes. I am creating dummy
variables for a dataset on stock prices in r. One dummy variable is
called prev1 and is:
prev1 <- ifelse(ret1 >= .5, 1, 0)
where ret1 is the previous day's return.
The variable "prev1" is created fine and works in my regression model
and for running conditional statistics. However, when I call the