On Sep 7, 2010, at 4:38 PM, Amit Patel wrote:
I have found a little problem with an R script. I am trying to merge
some data
and am finding something unusual going on. As shown below I am
trying to
assign (MatchedValues[Value2,Value]) to (ClusteredData[k,Value])
which are two
separate dataframes.
1) By the following command you can see that the value im transferring
is 481844.03
MatchedValues[Value2,Value]
[1] 481844.03
6618 Levels: 1.00E+07 1.01E+07 1.02E+07 1.04E+07 1.05E+07 1.06E
+07 ... Raw
This shows you that MatchValues' column eval(Value) is a factor
represented internally by one of 6618 integers with various level
labels. The label of the item in row eval(Value2) is "481844.03". The
label is a character object.
2) But when I try to replace the values using the command i get a
value of 4420
ClusteredData[k,Value] <- MatchedValues[Value2,Value]
ClusteredData[k,Value]
[1] "4420"
3) So what am I not doing. How can I keep that same value of 481844.03
I have tried
Read FAQ 7.10:
http://cran.r-project.org/doc/FAQ/R-FAQ.html#How-do-I-convert-factors-to-numeric_003f
--
David.
as.double(MatchedValues[Value2,Value])
[1] 4420
as.numeric(MatchedValues[Value2,Value])
[1] 4420
--
David Winsemius, MD
West Hartford, CT
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