Hi,
after all, brute force seems the way to go.
I will use a simplified example to illustrate what I want (dump of dat4 is
below):
suppose dat4:
ID rrt Mnd Result
1 0.45 00.1
1 0.48 00.3
1 1.24 00.5
2 0.45 30.2
2 0.48 30.6
2 1.22 30.4
I want to ge
old 0.3 0.6 1.20 1.80
#4 1.2225 old 0.5 0.4 0.45 0.50
A.K.
- Original Message -
From: Bart Joosen
To: Dennis Murphy ; r-help@r-project.org
Cc:
Sent: Friday, January 25, 2013 1:48 AM
Subject: Re: [R] sorting/grouping/classification problem?
Nice suggestion for the extra "Time" column
y possible
combination of shuffling within certain limits (eg max 10% or so), calculate r2
for each combination and maximize?
Seems so brute force and low elegant?
Bart
> Date: Fri, 25 Jan 2013 10:01:44 -0800
> From: smartpink...@yahoo.com
> Subject: Re: [R] sorting/grouping/classific
clear now.
Thank you all for your suggestions
Bart
> Date: Thu, 24 Jan 2013 15:01:40 -0800
> Subject: Re: [R] sorting/grouping/classification problem?
> From: djmu...@gmail.com
> To: bartjoo...@hotmail.com
>
> Hi:
>
> Here's a potential workaround:
>
> # Add
/grouping/classification problem?
HI,
If I understand your question, "dat3" is not you wanted.
Is it something like this you wanted?
library(reshape2)
dcast(dat,rrt~Mnd,value.var="Result")
# rrt 0 369
#1 0.35 NA NA 0.05 NA
#2 0.36 NA NA NA 0.06
#3 0.44
.2 NA 0.60
#5 0.46 NA NA 1.20 NA
#6 0.48 0.3 0.6 NA 1.80
#7 1.21 NA NA 0.45 NA
#8 1.22 NA 0.4 NA 0.50
#9 1.24 0.5 NA NA NA
A.K.
- Original Message -
From: Bart Joosen
To: r-help
Cc:
Sent: Thursday, January 24, 2013 2:31 PM
Subject: [R] sorting/grouping/classifi
Hi,
I'm a database admin for a database which manage chromatographic results of
products during stability studies.
I use R for the reporting of the results in MS Word through R2wd.
But now I think I need your help:
suppose we have the following data frame:
ID rrt Mnd Result
1 0.45 0
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