Hi
I planned to learn R and their machine learning algorithms such as xgboost.
I just installed R 3.3 in our CentOS linux system.
Linus system: centos-release-6-9.el6.12.3.x86_64
I used the command: yum install R.
I successfully install "rJava" and "mlr" packages.
Then I used the following command
I have a data frame that has a set of observed dwell times at a set of
locations. The metadata for the locations includes things that have varying
degrees of specificity. I'm interested in tracking the number of people
present at a given time in a given store, type of store, or zip code.
Here's an
Thanks Terry!
I managed to figure that out shortly after posting (as is the way!) Adding an
additional covariate that splits below one of the x branches but not the other
and means the class proportion to go over 0.5 means the x split is retained.
However, I now have another conundrum, this tim
On 15/05/2017 4:15 PM, sylvie.celer...@free.fr wrote:
Hello all,
I'm using RStudio Version 1.0.136 on wondow 7 (64 bite) and I can't understand
why all my plots are displayed ouside of the Rstudio graphic pane. How can I
make them go back to the graphic panes ?
This is a question for RStudio,
you have only one df for site and one df for year. most likely you
skipped the step of
telling R those are factors.
On Mon, May 15, 2017 at 1:40 PM, Lucy McMahon
wrote:
> R-help:
>
> I'm looking into the abundance of an algal species over site and years using
> a two-way ANOVA:
>
>> summary (ao
I think you forgot to turn site and year into factors. (The 1 Df is the
giveaway).
-pd
> On 15 May 2017, at 19:40 , Lucy McMahon wrote:
>
> R-help:
>
> I'm looking into the abundance of an algal species over site and years using
> a two-way ANOVA:
>
>> summary (aov (fserratus ~ site+year))
Hello all,
I'm using RStudio Version 1.0.136 on wondow 7 (64 bite) and I can't understand
why all my plots are displayed ouside of the Rstudio graphic pane. How can I
make them go back to the graphic panes ?
thanks a lot for your help
sylvie
__
R-hel
R-help:
I'm looking into the abundance of an algal species over site and years using a
two-way ANOVA:
> summary (aov (fserratus ~ site+year))
Df Sum Sq Mean Sq F value Pr(>F)
site 1 1487 1486.6 6.094 0.0155 *
year 1 1173 1172.8
Can you give us an example. I am having a problem visualizing this. It seems
obvious just to put in a line break normally but in xtabs who knows?
On Monday, May 15, 2017 1:15 PM, Bruce Ratner PhD wrote:
R-help:
I'm using xtable that produces a table in html with one-line for each of t
John:
Here is the code of my xtable:
TABLE <-xtable(dec_analy, digits = c(0,0,0,0,2,2,0),
align = "ccc", latex.environments = "center",
caption = "Analysis ")
print.xtable(TABLE, type="html",file="C:/R_Data/Table.html",
include.rownames
John:
After I generate the xtable table, I manually edited (by inserting
) the html header, below.
Is there a way in xtable that I can set some setting to affect my xtable
table?
Thanks for your reply.
Bruce
Analysis
DECILE
NUMBER OF INDIVIDUALS
NUMBER OF RESPONDERS
RESPONSE RA
R-help:
I'm using xtable that produces a table in html with one-line for each of the
long column headings/names.
I would like to word wrap the column headings to break into two-lines.
Any suggestion as to which argument needs adjustment is appreciated.
Bruce
___
You are mixing up two of the steps in rpart. 1: how to find the best candidate split and
2: evaluation of that split.
With the "class" method we use the information or Gini criteria for step 1. The code
finds a worthwhile candidate split at 0.5 using exactly the calculations you outline. For
On 15/05/2017 8:18 AM, Olivier Crouzet wrote:
Hi,
The following simple solution gives appropriate results in base R (and
should work with any base character):
plot(rnorm(100), rnorm(100), main = expression(paste(omega, "\u0308")))
It doesn't work for me on Mac OS or Windows 10 in the default
Hi,
The following simple solution gives appropriate results in base R (and
should work with any base character):
plot(rnorm(100), rnorm(100), main = expression(paste(omega, "\u0308")))
In your ggplot example, something like:
ggplot(data, aes(x=X)) + geom_line(aes(y = Z), size=0.43) + xlab
(expr
Hello Fellows,
I used the dictionary function to capture terms from a corpus of 102 docs but
the dictionary only captures those terms in 10 documents. I need those terms
from all 102 docs. Any idea why? How do I get the dictionary to return for all
102 docs? See my coding below.
> myTerms <-
Hi Abo,
This is essentially the same as your other problem. Notice that this
solution will only work if the values in dt1 and dt2 are character,
not factor and that I have replaced the space in "Drug name" with an
underscore. R will automatically substitute a period when such a name
is read in.
dt
Hi
I looked up for the Unicode version at
http://www.utf8-chartable.de/unicode-utf8-table.pl
You might have to go to another page to find the Unicode equivalent.
You may not be able to get the right character showing and get at square/s
instead - it all depends on the drivers and how many charac
Dear R users,
happy to announce that the first version of ompr is on CRAN now
(https://cran.r-project.org/web/packages/ompr/).
The package lets you model mixed integer linear programs algebraically
directly in R.
There is also another package ompr.roi that can be used to solve ompr
models with RO
Dear All,
I am pleased to announce the availability of my package called "apercu" on
CRAN. The goal is to make your development easier by showing you a quick
view (an "aperçu" in french) of any object you want (vector, matrix, data
frame, list, array...). I first developed it after being tired to
Dear R users,
I am pleased to announce that the fetchR package is now available on
CRAN, which automatically calculates wind fetch lengths, for any
location(s) around the world.
Wind fetch (or just fetch) is an important calculation in many coastal
and oceanographic applications that require a me
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