Displaying 13 results from an estimated 13 matches for "lev1".
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lev
2008 Jan 02
3
Find missing days
...;))
date1 <- as.Date(seq(ISOdate(2007,9,1), ISOdate(2007,11,5),
by=60*60*24))
date1 <- date1[-c(3,4,15,34,38,40)]
df <- data.frame(lev=lev, date1=date1, y=y)
I would like to produce a new data.frame with missing days in df$date1
in each df$lev, like this:
lev date1
1 lev1 2007-09-03
2 lev1 2007-09-04
3 lev1 2007-09-15
4 lev2 2007-09-01
5 lev2 2007-09-02
etc.
How can I do this?
Thanks,
Lauri
FRCBS
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2006 Feb 17
1
Transforming results of the summary function
Hi all,
I have a question about transforming the data from summary function.
Let's say I have a data frame like this:
> x = data.frame(a = c(rep("lev1", 5), rep("lev2", 5)), b = c(rnorm(5)+2, rnorm(5)))
> x
a b
1 lev1 1.5964765
2 lev1 2.2945609
3 lev1 3.5285787
4 lev1 1.4439838
5 lev1 2.2948826
6 lev2 1.7063506
7 lev2 -0.4042742
8 lev2 -1.6485337
9 lev2 -1.1163817
10 lev2 -0.2023246
I'd like to...
2008 Oct 19
2
definition of "dffits"
....org
Hi! R-users.
I am just wondering what the definition of "dffits" in R language is.
Let me show you an simple example.
function() {
library(MASS)
xx <- c(1,2,3,4,5)
yy <- c(1,3,4,2,4)
data1 <- data.frame(x=xx, y=yy)
lm.out <- lm(y~., data=data1, x=T)
lev1 <- lm.influence(lm.out)$hat
sig1 <- lm.influence(lm.out)$sigma
res1 <- residuals(lm.out)
ey <- fitted(lm.out)
py <- ey + res1/(1-lev1)
df1 <- dffits(lm.out, infl = lm.influence(lm.out))
df1 <- dffits(lm.out)
print("df1: dffits")
print(df1)
my_df1...
2007 Aug 07
1
Naming Lists
Hi
Im pretty new to R and I have run in to a problem. How do I name all the
levels in this list.
Lev1 <- c("A1","A2")
Lev2 <- c("B1","B2")
Lev3 <- c("C1","C2")
MyList <- lapply(Lev1,function(x){
lapply(Lev2,function(y){
lapply(Lev3,function(z){
paste(unlist(x),unlist(y),unlist(z))
})})})
I would like to name the different lev...
2007 Aug 23
1
How to merge string to DF
...- paste(DF$g, DF$wdays)
DF
#Now I calculate group means
tmp <- aggregate(DF$y, list(DF$x, DF$f), mean)
tmp
#After doing this, I want to merge string from DF$conc to tmp using DF$x and
DF$y as an identifier
#The following DF should look like this:
Group.1 Group.2 x var1
1 1 lev1 6.607869 2000-01-01 Saturday, 2000-01-04 Tuesday,
2000-01-07 Friday, 2000-01-10 Monday etc.
2 2 lev1 6.598861 etc.
3 3 lev1 7.469262
4 1 lev2 27.488734
5 2 lev2 33.164037
6 3 lev2 34.466359
#How do I do this?
#Cheers,
#Lauri
[[alternative HTML ver...
2007 Aug 16
1
Trim trailng space from data.frame factor variables
Hi folks,
I would like to trim the trailing spaces in my factor variables using lapply
(described in this post by Marc Schwartz:
http://tolstoy.newcastle.edu.au/R/e2/help/07/08/22826.html) but the code is
not functioning (in this example there is only one factor with trailing
spaces):
y1 <- rnorm(20) + 6.8
y2 <- rnorm(20) + (1:20*1.7 + 1)
y3 <- rnorm(20) + (1:20*6.7 + 3.7)
y <-
2007 Aug 07
2
Interaction factor and numeric variable versus separate regressions
...interaction
summary(lm(y~x:f, data=d))
Call:
lm(formula = y ~ x:f, data = d)
Residuals:
Min 1Q Median 3Q Max
-2.8109 -0.8302 0.2542 0.6737 3.5383
Coefficients:
Estimate Std. Error t value Pr(>|t|)
(Intercept) 3.68799 0.41045 8.985 1.91e-12 ***
x:flev1 0.20885 0.04145 5.039 5.21e-06 ***
x:flev2 1.49670 0.04145 36.109 < 2e-16 ***
x:flev3 6.70815 0.04145 161.838 < 2e-16 ***
---
Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
Residual standard error: 1.53 on...
2007 Aug 08
1
tapply grand mean
Hi R-users,
I have a data.frame like this (modificated from
https://stat.ethz.ch/pipermail/r-help/2007-August/138124.html).
y1 <- rnorm(20) + 6.8
y2 <- rnorm(20) + (1:20*1.7 + 1)
y3 <- rnorm(20) + (1:20*6.7 + 3.7)
y <- c(y1,y2,y3)
x <- rep(1:5,12)
f <- gl(3,20, labels=paste("lev", 1:3, sep=""))
d <- data.frame(x=x,y=y, f=f)
and this is how I can
2004 Jan 05
1
lda() called with data=subset() command
Hi
I have a data.frame with a grouping variable having the levels
C,
mild AD,
mod AD,
O and
S
since I want to compute a lda only for the two groups 'C' and 'mod AD' I
call lda with data=subset(mydata.pca,GROUP == 'mod AD' | GROUP == 'C')
my.lda <- lda(GROUP ~ Comp.1 + Comp.2 + Comp.3 + Comp.4+ Comp.5 +
Comp.6 + Comp.7 + Comp.8 ,
2007 Dec 01
2
How to cbind DF:s with differing number of rows?
#Hi R-users,
#Suppose that I have a data.frame like this:
y1 <- rnorm(10) + 6.8
y2 <- rnorm(10) + (1:10*1.7 + 1)
y3 <- rnorm(10) + (1:10*6.7 + 3.7)
y <- c(y1,y2,y3)
x <- rep(1:3,10)
f <- gl(2,15, labels=paste("lev", 1:2, sep=""))
g <- seq(as.Date("2000/1/1"), by="day", length=30)
DF <- data.frame(x=x,y=y, f=f, g=g)
DF$g[DF$x == 1]
2011 Feb 11
6
linear models with factors
i am trying to fit a linear model with both continuous covariates and
factors. When fitted with the intercept
term the first level of the factor is treated by R as intercept and the
estimate of the effects of remaining levels(say i th level) are given as
true estimate of i th level - estimate of 1st level.can any please help me?
thanks in advance.....
--
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2013 Mar 11
2
how to convert a data.frame to tree structure object such as dendrogram
I have a data.frame object like:
> data.frame(x=c('A','A','B','B'), y=c('Ab','Ac','Ba','Bd'))
x y
1 A Ab
2 A Ac
3 B Ba
4 B Bd
how could I create a tree structure object like this:
|---Ab
A---|
_| |---Ac
|
| |---Ba
B---|
|---Bb
Thanks,
Zech
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2005 Aug 04
1
[Bug 2947] stdout with [-v] -H --link-dest and slink/sock/fifo/regf
https://bugzilla.samba.org/show_bug.cgi?id=2947
wayned@samba.org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
------- Additional Comments From wayned@samba.org 2005-08-03 16:45 -------
Keep in mind that --link-dest only hard-links regular