Thanks for all the input. You were right. It was not csv file in the
correct format. As it turned out, it's not a R problem, more a MAC
problem. For some reason, my MAC doesn't correctly download csv file
from internet, which caused all the subsequent problems. I will have
to take it to a m
I have two variables, both numerical. I would like to find the unique
values of the pairs, in other words, unique coordinates if I were to
plot them.
I also need to know how many pairs there are, but I guess I can use
length() if I can somehow isolate the unique pairs first?
Thanks a lot!
I'm plotting x and y and there are a couple of outliers. I want to
show the value of z for these couple of outliers. Is there an easy way
to do this?
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PLEASE do read th
This is has been bugging me for a long time. Nobody around me seems to
have this problem. I hope someone on the forum could help me.
When I generate a R graph and want to bring the image into Word. I
cannot copy and paste it like many of my classmates can do. The
"Select" in Edit menu have
Copy paste doesn't work. So I tried to Select and then copy paste, but
it doesn't work either.
Quoting Don McKenzie :
On 18-Sep-11, at 12:38 PM, bby2...@columbia.edu wrote:
This is has been bugging me for a long time. Nobody around me seems
to have this problem. I hope someone on the for
Yes, I'm positive I had the right window highlighted, and I have shown
this problem to lots of people including tech staff, to get no
answers. So I suspect it's probably a somewhat obscure problem.
Duncan, thanks for the lead on the new group. I will follow up on
that. What is the copy2eps?
Don and Duncan,
That function works, up to the same point where I can save pdf into
Word using the menu. But when I use Identify function together with
plot function, the Quartz window has to be closed before I can go back
the console to execute "copy2eps" function. But by then, I don't hav
Cool! Don showed me another trick--use (n= ) in Identify. The active
window will come back to console after the specified amount of clicks,
you will be able to execute more commands in console.
Thank you!
Quoting Duncan Murdoch :
On 11-09-18 5:15 PM, bby2...@columbia.edu wrote:
Don and Du
Hi, I just started playing with county FIPS feature in maps package
which allows geospatial visualization of variables on US county level.
Pretty cool.
I did some search but couldn't find answer to this question--how can I
map more than 2 variables on US map? For example, you can map by the
Hi David,
Sorry it sounds vague.
Here is my current code, which gives the distribution of family size
at US county level. You will see on a US map family size distribution
represented by different colors.
Now if i have another variable income, which has 3 categories(<50k,
50k-80k,>80k).
Hello,
I'm trying to separate my dataset into 4 parts with the 4th one as the
test dataset, and the other three to fit a model.
I've been searching for the difference between these 2 functions in
Caret package, but the most I can get is this--
A series of test/training partitions are crea
Hi Steve,
Thanks for the note. I did try the example and the result didn't make
sense to me. For splitting a vector, what you describe is a big
difference btw them. For splitting a dataframe, I now wonder if these
2 functions are the wrong choices. They seem to split the columns, at
least
Hi Max,
Thanks for the note. In your last paragraph, did you mean "in
createDataPartition"? I'm a little vague about what returnTrain option
does.
Bonnie
Quoting Max Kuhn :
Basically, createDataPartition is used when you need to make one or
more simple two-way splits of your data. For ex
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