--- Farrel Buchinsky [EMAIL PROTECTED] wrote:
How do you create a table from a data frame? I tried
as.table(
name.of.data.frame) but it bombed out.
I will include the exact error message in my next
posting. If I recall
correctly, it said that the data.frame could not be
coerced to a
No. Not really.What you have done seems to be similar to what I could do
with the reshape library.
rawer-melt(coinfection,id.var=study) # please refer to my post
immediately before this.
I am still unable to make use of prop.table and margin.table functions.
On 10/3/07, Deepayan Sarkar [EMAIL
On 10/3/07, Farrel Buchinsky [EMAIL PROTECTED] wrote:
Thank you. It comes close but not exactly what I wanted. I had to
scrap my column that contained character values. That column noted the
name of the study. Let me try show you here
Best if viewed in courier font
coinfection
Thank you. It comes close but not exactly what I wanted. I had to
scrap my column that contained character values. That column noted the
name of the study. Let me try show you here
Best if viewed in courier font
coinfection
study HPV6 HPV11 CoInfect other
1 Wiatrak 2004 3123
Incidentally, the feature becomes really powerful when one uses
functions such as addmargins together with prop.table as in
coinf.table -as.matrix(coinfection)
prop.table(coinf.table,1) # to see proportions from each HPV type per study
addmargins(coinf.table)# to see totals within study and
When one has raw data it is easy to create a table of one variable against
another and then calculate proportions
For example
a.nice.table-table(a,b)
prop.table(a.nice.table,1)
However, I looked at several papers and created a data frame of the
aggregate data. That means I acually created a table
How do you create a table from a data frame? I tried as.table(
name.of.data.frame) but it bombed out.
I will include the exact error message in my next posting. If I recall
correctly, it said that the data.frame could not be coerced to a table.
On 10/2/07, John Kane [EMAIL PROTECTED] wrote:
7 matches
Mail list logo
