Displaying 20 results from an estimated 6000 matches similar to: "subset handling"
2008 Nov 04
1
perform Kruskal-Wallis test without using the built-in command in R
Hi,
again i am stuck in my presentation, and i have never learn R before in my
life but need this to be done, so please help me out for a favour:
http://www.nabble.com/file/p20333155/kew.dat kew.dat
run this in R and these comes up:
Month Year Rain
1 Jan 1900 74.400000
2 Feb 1900 80.500000
3 Mar 1900 23.600000
4 Apr 1900 23.600000
5 May 1900 25.100000
6
2013 Mar 13
2
merge datas
Hello all!
I have a problem with R. I try to merge data like this:
structure(c(2.1785, 1.868, 2.1855, 2.5175, 2.025, 2.435, 1.809,
1.628, 1.327, 1.3485, 1.4335, 2.052, 2.2465, 2.151, 1.7945, 1.79,
1.6055, 1.616, 1.633, 1.665, 2.002, 2.152, 1.736, 1.7985, 1.9155,
1.7135, 1.548, 1.568, 1.713, 2.079, 1.875, 2.12, 2.072, 1.906,
1.4645, 1.3025, 1.407, 1.5445, 1.437, 1.463, 1.5235, 1.609, 1.738,
1.478,
2013 Mar 12
5
extract values
Hello all!
I have a problem to extract values greater that for example 1820.
I try this code: x[x[,1]>1820,]->x1
Please help me!
Thank you!
The data structure is:
structure(c(2.576, 1.728, 3.434, 2.187, 1.928, 1.886, 1.2425,
1.23, 1.075, 1.1785, 1.186, 1.165, 1.732, 1.517, 1.4095, 1.074,
1.618, 1.677, 1.845, 1.594, 1.6655, 1.1605, 1.425, 1.099, 1.007,
1.1795, 1.3855, 1.4065, 1.138, 1.514,
2010 Sep 22
2
Unique subsetting question
Hi all,
I'm looking at a large data set, and I'm interested in removing rows where
only one variable is duplicated. Here's an example:
> presidents
Qtr1 Qtr2 Qtr3 Qtr4
1945 NA 87 82 75
1946 63 50 43 32
1947 35 60 54 55
1948 36 39 NA NA
1949 69 57 57 51
1950 45 37 46 39
1951 36 24 32 23
1952 25 32 NA 32
1953 59
2013 Apr 07
2
group data in classes
Hello all!
I have a problem to group my data (years) in 10 years classes. For example
for year
year decade
1598 1590-1600
1599 1590-1600
1600 1590-1600
1601 1600-1610
---
my is like this>
[1] 1598 1599 1600 1601 1602 1603 1604 1605 1606 1607 1608 1609 1610 1611
1612
[16] 1613 1614 1615 1616 1617 1618 1619 1620 1621 1622 1623 1624 1625 1626
1627
[31] 1628 1629 1630 1631 1632 1633
2013 Mar 29
1
problem with data
Hello all!
I have a problem with my data in R. When I want to plot the following data,
I have a problem with y scale. The maximum value is cc. 10 degrees and in R
is about 100.
I use this code:
fasy<-read.table("gridd1.txt",sep="\t",dec=",",header=T,row.names=1)
# here are the years:
x <- as.numeric(rownames(fasy))
# extract a series that you want to plot:
y
2010 Jan 11
3
interpolation
Dear R-users,
I have a complex line by xy-values (ordered by z).
And I would like to get interpolated y-values on the positions of x = 0:600.
How do I get the correct points?
x=c(790,790,790,790,790,786,783,778,778,766,763,761,761,761,715,628,521,350,160,134,134,129,108,101,93,111,161,249,288,243,139,45,7)
2002 May 31
2
error in seq.POSIXt?
I am trying to extract only the winters (defined to be 01-Dec through
28-Feb) of daily data from 1948-2002. There are 90 days in each winter
season. I wrote the following code to gather the winter dates into a
single vector:
DJF <- NULL
for(year in 1949:1999) {
temp.begin <- strptime(paste("01/12", year-1, sep="/"), "%d/%m/%Y")
temp.end <-
2016 Jun 02
1
[PATCH -next 2/2] virtio_net: Read the advised MTU
Hi,
[auto build test ERROR on next-20160602]
url: https://github.com/0day-ci/linux/commits/Aaron-Conole/virtio-net-Advised-MTU-feature/20160603-000714
config: i386-allmodconfig (attached as .config)
compiler: gcc-6 (Debian 6.1.1-1) 6.1.1 20160430
reproduce:
# save the attached .config to linux build tree
make ARCH=i386
Note: the
2016 Jun 02
1
[PATCH -next 2/2] virtio_net: Read the advised MTU
Hi,
[auto build test ERROR on next-20160602]
url: https://github.com/0day-ci/linux/commits/Aaron-Conole/virtio-net-Advised-MTU-feature/20160603-000714
config: i386-allmodconfig (attached as .config)
compiler: gcc-6 (Debian 6.1.1-1) 6.1.1 20160430
reproduce:
# save the attached .config to linux build tree
make ARCH=i386
Note: the
2007 Sep 27
1
add a row to a data frame
Hi everybody,
I've a data.frame "d" like this:
0 2 4 6 8 10 12 14 16 X0 X2
X4
1945 350 NA NA NA NA NA NA NA NA 0.3848451 0.0000000 0.0000000
1946 408 NA NA NA NA NA NA NA NA 1.4202009 0.0000000 0.0000000
1947 511 NA NA NA NA NA NA NA NA 3.2540522 0.0000000 0.0000000
1948 342 215 NA NA NA NA NA NA
2013 Apr 01
0
ggplot2 label problem
I have a problem to plot label (Year) only for significant values (in this
case spoz and sneg).
I use this code, but don't work with labels.
library(ggplot2)
ggplot(data1, aes(x = Year, y = value,fill=type,width=1))+
geom_bar(stat="identity",position="identity")+
scale_y_continuous(breaks = round(seq(-100, 100, by = 10),10))+
theme_bw()
Thank you!
the data used is:
2017 Jul 05
4
Help with reshape/reshape2 needed
Hi all:
I'm struggling with getting my data re-formatted using functions in
reshape/reshape2 to get from:
1957 0.862500000
1958 0.750000000
1959 0.300000000
1960 0.287500000
1963 0.675000000
1964 0.937500000
1965 0.025000000
1966 0.387500000
1969 0.087500000
1970 0.275000000
1973 0.500000000
1974 0.362500000
1976 0.925000000
1978 0.712500000
1979 0.337500000
1980 0.700000000
1981 0.425000000
2007 Sep 17
3
data frame
Hi everybody,
If I've a data frame like this:
dataframe a
X0 X2 X4 X6 X8 X10 X12 X14 X16
1957 0 0 0 0 0 0 0 0 0
1958 0 0 0 0 0 0 0 0 0
1959 831 0 0 0 0 0 0 0 0
1960 544 282 0 0 0 0 0 0 0
1961 446 365 0 0 0 0 0 0 0
1962 442 473 0 0 0 0 0 0 0
1963 595 468 0 0 0 0 0 0 0
1964
2017 Jul 05
0
Help with reshape/reshape2 needed
This does not use reshape/reshape2, but it is pretty straightforward. Assuming X is your example data:
> Y <- split(X[, 2], X[, 1])
> vals <- sapply(Y, length)
> pad <- max(vals) - vals
> Y2 <- lapply(seq_along(Y), function(x) c(Y[[x]], rep(NA, pad[x])))
> names(Y2) <- names(Y)
> X2 <- do.call(cbind, Y2)
> X2[, 1:6]
1957 1958 1959
2017 Jul 05
0
Help with reshape/reshape2 needed
The reason it doesn't work easily with reshape/reshape2 is that the
order of the rows is not determined. Your answer could be
1957 1958 ... 1985 1986
0.8625000 0.7500000 ... 0.7307692 0.23750000
0.0733945 0.6435644 ... NA 0.05769231
0.5096154 NA ... NA 0.65137615
or
1957 1958 ... 1985 1986
0.0733945 0.6435644 ... NA
2017 Jul 05
1
Help with reshape/reshape2 needed
Hi Tom,
Or perhaps:
#assume the data frame is named "tadf"
library(prettyR)
stretch_df(tadf,1,2)
Jim
On Thu, Jul 6, 2017 at 6:50 AM, Ista Zahn <istazahn at gmail.com> wrote:
> The reason it doesn't work easily with reshape/reshape2 is that the
> order of the rows is not determined. Your answer could be
>
> 1957 1958 ... 1985 1986
>
2013 Mar 14
1
ggplot2 problem
Hello all!
I have a problem with ggplot2 library. I want to do an heat map and the y
variables are the year months. If I use the following code, he y values are
in alphabetical order, but I want it in month order.
The code is:
library(reshape)
library(ggplot2)
library(scales)
p <- ggplot(data.m, aes(variable, Month)) + geom_tile(aes(fill = value),
2012 Dec 17
3
mean of each month in data
Dear R users,
[in case the format of email is changed or you dont finf it easy to understand, i have attached a text file of my question]
i have the data in the following format and i want to convert it in the
format given at the end.
Ta ans Sa are the names of certain cities. there are 69 cities in my
data.
column 1 is representing station name (i am writing the data of only
two cities for
2009 Jan 14
1
publication statistics from Web of Science
Dear list,
This is a bit of an off-topic question, but I'm hoping to get some
advice from more experienced people. I've used the website "Web of
Science" to manually collect publication counts responding to several
keywords as a function of date, since the 1960s.
http://apps.isiknowledge.com/RAMore.do?product=UA&search_mode=&SID=P1g9lFJp9 at