Hi Adrian,
This is probably taking a long time. I first tried with 7x10^6 times
and values and it took several minutes. The following code does what I
expected:
amdat<-data.frame(time=1:70,value=rnorm(70,-4))
amdat$value[amdat$value<0]<-0
sum(amdat$value)
[1] 5.07101
HI, I am trying to use switch () function to connect the three distribution
(normal ,gamma with equal skewness and gamma with unequal skewness.
But i am losing my ideas since i have
sample sizes-(10,10),(10,25),(25,25),(25,50),(25,100),50,25),(50,100),
(100,25),(100,100)
standard deviation
Check the size of df_both. It would be that there are no Command fields
that contain both a 't1' and 't2'.
You can so do:
sum(grepl("t1", df$Command) & grepl("t2", df$Command))
to see how many Command fields contain both.
Jim Holtman
Data Munger Guru
What is the problem that you are trying
Isn't the normal way to do this to collect additional independent variables as
part of your test protocol?
--
Sent from my phone. Please excuse my brevity.
On April 24, 2016 10:39:06 AM PDT, Devesh Raj Singh
wrote:
>Hi,
>
>I have a multidimensional data-set( multiple
now after this:
df_both <- subset(df, grepl("t1", Command) & grepl("t2", Command))
I use factor to apply the subset to df but then the Command level becomes 0
df_both$Command=factor(df_both$Command)
str(df_both)
$ Protocol : Factor w/ 0 levels:
Do you know what is the
Many:
https://cran.r-project.org/web/views/MachineLearning.html
-- Bert
Bert Gunter
"The trouble with having an open mind is that people keep coming along
and sticking things into it."
-- Opus (aka Berkeley Breathed in his "Bloom County" comic strip )
On Sun, Apr 24, 2016 at 10:39 AM,
On 24/04/2016 4:30 PM, Jason Hernandez via R-help wrote:
I am just beginning to learn R, using _R for Dummies_ by Andrie de Vries and Joris Meys.
I am using Windows 7, and RGui (64-bit) version 3.0.2. I have reached the chapter on
"Getting Data Into and Out of R." But the code they use for
You probably have not reset the directory -- go to the session tab on the R
window, click and go to “set working directory” as C
Nick
Original Message --
From: WRAY NICHOLAS
To: Jason Hernandez
Date: 24 April 2016 at
I am just beginning to learn R, using _R for Dummies_ by Andrie de Vries and
Joris Meys. I am using Windows 7, and RGui (64-bit) version 3.0.2. I have
reached the chapter on "Getting Data Into and Out of R." But the code they use
for importing data doesn't seem to be working for me.
Their
Hi,
I have a multidimensional data-set( multiple 'x' variables with a target
variable). I want to take it to a higher dimensional space so that I can
apply classification technique with ease . Is there a package in R which
would allow me to take these data points from lower dimensional space to
'grepl' returns a logical vector; you have to use this to get your subset.
You can use:
df_tq <- subset(df, grepl("t1", Command))
df_t2 <- subset(df, grepl("t2", Command))
# if you want to also get a subset that has both, use
df_both <- subset(df, grepl("t1", Command) & grepl("t2", Command))
my problem is that in Command I have 2229 levels and I want to do subsets based
on the names I have in Command. for example if the name has t1 or t2 in it or
if it has both of them.and then I need to plot in a way that colors are names
with t1,names with t2 and names with both. But now even
df1 <- data.frame(ID = c(1,1,2,2,3,3,4,4,5,5),
A = c(1,0,5,1,1,NA,0,3,2,7),
B = c(2,3,NA,3,4,NA,1,0,5,NA))
df2 <- data.frame(ID = c(1,2,3,4,5),
A = c(1,6,1,3,9),
B = c(5,3,4,1,5))
m <- match(df1$ID, df2$ID)
sel <-
Starting from this data frame:
my.df <- data.frame(num = 1:5, let = letters[1:5])
> my.df
num let
1 1 a
2 2 b
3 3 c
4 4 d
5 5 e
>
and inserting a blank row (NAs row) for each one of my.df rows.
na.df <- data.frame(num = NA, let = NA)
my.df <- do.call(rbind, apply(my.df,
This will handle all the columns; it assumes the ones you want to start
with are in column 2 through the end:
> library(dplyr)
> df1 <- read.table(text = "ID A B
+ 1 1 2
+ 1 0 3
+ 25 NA
+ 2 1 3
+ 3
Oh, sorry, I just realized that I messed up the indicing. Here is the
correct way:
> z <- data.frame(a=1:3,b = letters[1:3])
> i <- seq_len(nrow(z))
> z<-z[rep(i,e=2),]
> z[2*i, ] <- matrix(NA, nr=nrow(z),nc=ncol(z))
> z
Still doubt that this is a good idea, though.
-- Bert
Bert Gunter
You never did provide a reproducible example or say how you wanted to
plot. Here is a way to get a subset of t1 or t2, and you can then use it
as input to ggplot:
library(dplyr)
your_subset <- df %>%
mutate(key = grep(".*(t1|t2).*", "\\1", Command, value = TRUE))
%>%
Well, something like this would work (there may be slicker solutions):
> z <- data.frame(a=1:3,b = letters[1:3])
> i <- seq_len(nrow(z)) *2
> z <-rbind(z,z)
> z[i, ] <- matrix(NA, nr=nrow(z),nc=ncol(z))
> z
ab
1 1a
2 NA
3 3c
4 NA
5 2b
6 NA
But I agree with you that there
You can use 'dplyr':
> library(dplyr)
> df1 <- read.table(text = "ID A B
+ 1 1 2
+ 1 0 3
+ 25 NA
+ 2 1 3
+ 3 1 4
+ 4 NA NA
+ 4 0 1
+ 4
Hi Saba,
I don't know how to do what you want and I also cannot see why.
If you describe what you hope to achieve there might be a different
solution.
Best wishes
Ulrik
Saba Sehrish via R-help schrieb am So., 24. Apr.
2016 14:04:
> Hi
>
> I need to insert a blank row
Hi
I need to insert a blank row after every row in R data frame. I have achieved
it through:
df[rep(1:nrow(df),1,each=2),]
But it inserts a row with name of previous row, while i want a complete blank
row without any name/title.
Please guide me
Regards
Saba
Or grab https://cran.r-project.org/web/checks/check_results.rds and
read it w/o the need for scraping.
On Sat, Apr 23, 2016 at 10:43 AM, David Winsemius
wrote:
>
>> On Apr 23, 2016, at 6:56 AM, David Winsemius wrote:
>>
>>
>>> On Apr 22, 2016, at
Try using the openxlsx package; it does not require Java.
Jim Holtman
Data Munger Guru
What is the problem that you are trying to solve?
Tell me what you want to do, not how you want to do it.
On Sat, Apr 23, 2016 at 3:43 PM, jpm miao wrote:
> Hi,
>
>I tried to read a
Hello,
I'm trying to plot a histogram (or alternatively the density) of a
variable, with a slider that displays a vertical line with the
corresponding quantile of the distribution of the variable. That is, I what
to interactivity pick for example, the median, and have the vertical line
move to
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