Displaying 7 results from an estimated 7 matches similar to: "level sets of factors are different"
2007 Jul 05
3
Using conditions appropriately
I''ve been struggling with this function for most of the morning, but
something just doesn''t seem right in my logic with respect to
efficiency.
I have a basic view that is submitting information on three variables
directly to this function. The information is accessible simply through
params[:filtera1], params[:filtera2] and params[:filtera1].
I''m trying to build a find
2010 Jul 14
1
ccf function
Hello,
I am a very new R user and not a statistician so please excuse any over
explanation, I'm just trying to be as clear as possible.
I have performed a cross correlation of two time series (my columns) in a single
data setusing:
ccf(ts(A[rows,columnX]),(A[rows,columnY]), lag=NULL, type="correlation",plot=F)
I?am able to get the results (for example):
Autocorrelations of
2006 Apr 06
1
reshape question
Hi,
I have a data fram like this:
date column1 column2 column3 value1 value2 value3
1-1 A B C 10 5 2
2-1 A B D 5 2 0
3-1 A B E 17 10 7
How can I reshape it to:
date column1 column2 column3 v x
1-1 A B C value1 10
1-1 A B C value2 5
1-1 A B C value3 2
2-1 A B D value1 5
2-1 A B D value2 2
2-1 A B D value3 0
3-1 A B E value1 17
3-1 A B E value2 10
3-1 A B E value3 7
Thx!
Regards,
Richard
2005 Dec 12
2
date handling
Hi,
Given a frame with calendar date's:
"2005-07-01", "2005-07-02","2005-07-03","2005-07-04","2005-07-05",etc.
I want to extract the following from these dates:
week number
month number
year number
Any ideas how to accomplish this?
Many thanks.
Regards,
Richard
2009 Mar 12
4
who can give me some hint?
Hi All,
> act_2
Date Dtime Hour Min Second Rep
51 2006-02-22 14:52:18 14 52 18 useractivity_act
52 2006-02-22 14:52:18 14 52 18 4
55 2006-02-22 14:52:49 14 52 49 4
57 2006-02-22 14:52:51 14 52 51 4
58 2006-02-22 14:52:52 14 52 52 3
60 2006-02-22 14:54:42 14 54
2006 Jan 24
1
No scientific notation in format
Hi
I have a data.frame with the following numbers (first column are month
numbers)
07,0,0,0,0.315444056314174,0,0,0,12.5827462764176,0.079194498691732,
0.0280828101707015,0,0.0695808222378877
08,0,0,105600,0.393061160316545,0,0,0,8.95551253153947,0.0880023174276553,
0.285714285714286,0,0.0669139911789158
09,0,0,0,0,12.5,0,0,13.5135887094281,0.0557531529154668,0,0,
0.0487526139182026
2005 Dec 12
3
question about date's
Hi,
Given a frame with calendar date's:
"2005-07-01", "2005-07-02","2005-07-03","2005-07-04","2005-07-05",etc.
I want to extract the following from these dates:
week number
month number
year number
Any ideas how to accomplish this?
Many thanks.
Regards,
Richard