Thank you for the tips. I should mention that the V1 is numeric in this case
but I am trying to automate the overall procedure so it may not be numeric
always. Would that matter with these functions?
Sent from my iPhone
On Jan 24, 2013, at 6:34 PM, arun wrote:
> Hi,
> You could do this:
> tes
requirements of the institution.
Any help or pointers would be appreciated - GBM is providing fantastic
results but need a way to put it into a production environment.
Thanks!
Jeff
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Hi all,
I have found a couple posts on this topic but could not (yet) find an
answer. Is there a way to extract the model (trees and weights) from
the GBM package in order to program the prediction in a non R
environment (SQL database)? The constraint of not using R is based on
production requirem
hould equal 1, otherwise the new variable should equal the
value of another existing variable.
I've tried to follow the examples given on the web and in the R
manuals, and each time I get errors or unexpected values.
Thanks
Jeff
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nfirmed that my code was right
all along, I finally figured out the real problem.
Jeff
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and pr
its elements corresponds to each item and should contain a numeric vector
with
initial values for the extremity parameters and discrimination parameter;
even if
constrained = TRUE the discrimination parameter should be provided for all
the items. If "random"
ose time
periods marked (0/1).
For example:
y <- data.frame( id = c( rep (1,5), rep (2,5)), Year=c
(68.0,68.25,68.50,68.75,69.0))
y $ Event1 <- c (0,1,1,1,1,0,0,0,0,0)
y $ Event2 <- c (0,0,0,0,0,0,0,1,1,1)
can someone get me started.
g for some help on this.
Jeff
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and provide commented, minimal, self-contained, reproducible code.
h the number of rows needed to match your "y"
and filled in the the other columns by first merging to that scaffold
and then creating new columns:
That did it!
Thanks
Jeff
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I'm trying to find duplicate values in a column of a data frame. For
example, dataframe (a) below has two 3's. I would like to mark each value of
each row as either not being a duplicate of the one before (0), or as a
duplicate (1) - for example, as in dataframe (b). In SPSS, I would
(z) + e
L2 - b0 = B00 + u0
b1 = B10
b2 = B20
Can someone give me an example?
Thanks
Jeff
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would work best in R. I assume some
type of macro or loop.
Thanks in advance.
Jeff
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I'm new to R and this list.
I'm using the LTM package for the first time to estimate Rasch and grm
models.
I've searched the web and the list archives and have found an almost
identical question to my current one, but I haven't found an answer. I'm
going to repeat the question
ot; column.
I can't seem to figure out how to do this from anything I can find on-line.
Can someone point me in the right direction ?
Thanks
Jeff
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PLEASE do read th
...still new to R and trying to figure this one out.
I have a number of variables x, y, z, etc. in a data frame.
Each contains a 2 digit year (e.g., 80, 81, 82) representing the
first year that something occurred. Each variable represents a
different type of event.
If the event did not occu
te useful and perhaps even
consider contributing your own recipes. If you have any suggestions
or feature requests, I'd be glad to hear them!
Jeff.
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PLEAS
One of the recommendations in the Posting Guide is to read the archives before
posting... even following along with recent posts would have pointed out the
existence of the tryCatch function.
?tryCatch
--
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On October 21, 2017 8:01:02 AM PDT, Miluji
I suggest asking a Mac-OS-specific question like this on the r-sig-mac mailing
list. A common problem is attempting to access a 64-bit implementation of Java
from a 32-bit version of R, or vice versa, but you may want to include the
output of sessionInfo() and a reproducible example (both input
Using quantiles does not imply assumption of normality, unless you drag that
assumption in separately. Please go review statistics again, offlist, and come
back when you need help with R.
--
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On October 22, 2017 10:02:57 PM PDT, Hemant Sain wrote:
>
To be specific, the effect of loading packages with the "library" function is
NOT saved when you save the workspace... and if you come back much later after
you have updated some packages the old saved objects may not work well with
those new packages. At the very least you have to re-load all n
You are constructing the equivalent of a two-line data file, and complaining
that it is not treating it like it was one line. If it did used to accept this
silently [skeptical] then I for one am glad it produces a warning now.
--
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On October 23, 201
Your question desperately needs a reproducible example (a.k.a. "reprex"),
because you have to be using contributed packages to do any of this. You also
need to clarify whether you are intending to access data already in an external
database, or are planning to load it using R and manipulate it w
2017 10:11:28 AM PDT, Morkus wrote:
>Jeff,
>
>Excellent points, thank you!
>
>Yes, I have all the required packages installed.
>
>Below's the actual full script.
>
>require(Rserve)
>require(biotools)
>library(rJava)
>library(RJDBC)
>drv <- JDBC("co
12-04-15 00:00:00",
"2012-04-15 06:00:00", "2012-04-15 12:00:00", "2012-04-15 18:00:00",
"2012-04-16 00:00:00", "2012-04-16 06:00:00", "2012-04-16 12:00:00",
"2012-04-16 18:00:00", "2012-04-17 00:00:00", "2012
On Thu, 26 Oct 2017, Thomas Adams wrote:
Hi Jeff,
Thank you for the suggestions -- I appreciate your help. Unfortunately, the
result2 has two problems...
(1) there are now 3 date columns (it looks like 2 cols are merged into 1
col)
No, there are two date columns. Result2 includes the
You can't. Use R on your computer instead.
--
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On October 29, 2017 5:56:55 PM PDT, Frank Mei wrote:
>Hi All,
>
>I want to know how to run an R file on my computer in R-Fiddle?
>
>I tried source("filename.r"), but not working.
>
>thanks,
>Frank
>
>
I do not do this either, and technically this list is not the right place to
ask this multi-language question, rather apparently [1] is because the
alternative to using a system call is to use the Rserve service. You should use
a search engine to look for info on using rjava and rserve.
[1] htt
Please read the Posting Guide mentioned at the bottom of this and every message
on this list. Things like the following you should consider:
What did you do between the time you started R and this error occurred? There
is a presumption that we can reproduce your actions and perhaps get the same
or ‘car’ in get(Info[i, 1],
>envir
>= env):
> cannot allocate memory block of size 2.5 Gb
>
>On Tue, Oct 31, 2017 at 8:50 PM, Jeff Newmiller
>
>wrote:
>
>> Please read the Posting Guide mentioned at the bottom of this and
>every
>> message on this list. Things li
R does not look inside strings for language objects like your symbol variable.
Nor does it magically figure out that it needs to keep previous values in a
loop. And you need to be able to use valid syntax to ask clear questions in
this list, so some more time with a tutorial should occur before
You are using terms and concepts that apply to spreadsheets, but do not apply
to R or CSV files. Please conform to the Posting Guide and make a reproducible
example [1][2][3] using R code to demonstrate your problem. I suspect you will
find that your problem begins in your spreadsheet and not in
This idea of hijacking failed connections has been tried before and it breaks
many things beyond R software and most ISPs have given up on doing this. If
you, who have this "feature" at hand can figure out a reliable way to detect
this then it might be "considered". However, it seems unlikely th
Sorry, but there are restrictions on mailing list attachments (read the Posting
Guide) and your attachments did not get through.
However, even if they had come through, we would need you to describe the
sequence of actions you took, because computers in general respond to your
actions, and mos
You need to be more specific about what you mean by "merge" (read e.g. ?merge
and ?rbind) and show what you did already using a reproducible example
[1][2][3].
The fact that you mentioned sheets suggests you are writing to Excel files...
they can be troublesome for storing data (NA values, siz
All data frames "look like" matrices, but none of them "are" matrices. I think
we need you to follow the Posting Guide and supply an R reproducible example
that gives us a concrete idea what the data structure is that you are working
with, and an example of what you expect to get out of the code
Maybe you are thinking of the levels function rather than the names function?
Which still presumes the column is a factor column, when it might actually be a
character column (in which case you might use the unique function). Again, a
reproducible example would stop the guessing.
--
Sent from
Between the lack of a reproducible example and the question being about a
Bioconductor package, you probably won't see much response here. Try the
Bioconductor mailing list?
--
Sent from my phone. Please excuse my brevity.
On November 7, 2017 11:15:51 AM PST, Yin wrote:
>Hi,
>
>I'm using GAGE
o_neg_folder), readerControl =
list(language="en")) # appears to be correct
> nb_all <- c(nb_pos,nb_neg,recursive=TRUE)
>
> meta(nb_all[[1]])
Error in UseMethod("meta", x) :
no applicable method for 'meta' applied to an
396 1396
attr(,"row.names")
[1] 1 2 3
attr(,"class")
[1] "OtherDate"
attr(,"calendar")
[1] "persian"
How do I take that, to end up with
datesp_dates
1 2017-10-011396-7-9
2 2017-10-021396-7-10
3 2017-10-031396-7-11
Jeff R
That is interesting that you are having difficulty. Well, not really... please
read the Posting Guide:
a) No homework questions. Use the resources offered in your educational
environment (school, MOOC, etc.).
b) If this is not homework then frame your question with example R code... this
is a
That only works if you use apt-get for all package installs... I don't even
know if that is possible. Use of install.packages within R works the same on
all platforms... that is, upgrading R by a minor version (3.3 to 3.4) causes R
to go looking for user-installed packages in a new library direc
You really should have pointed out that you cross-posted this question [1] so
we wouldn't repeat things. You were already pointed at the task view on this
subject there. Be sure to look for vignettes in the relevant packages.
I cannot point you to domain-specific examples, though I came across s
Ccing the maintainer if the tuneR package.
Looks to me like sawtooth (and square) don't behave as expected when using
xunit="samples". Workaround is to use xunit="time" instead:
sawtooth(110,duration=1/100,samp.rate=sample_rate,xunit="time")
I looked at the code but found it to be opaque.
--
Might want to post this on R-sig-geo.
Might also want to post in plain text format... see below how your message got
messed up coming through the mailing list.
--
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On November 12, 2017 9:58:56 PM PST, Javad Bayat via R-help
wrote:
>I have a shape f
"Date" means "numeric with an attribute of class='Date' ", so what actually
happened was that the for loop dropped the class attribute. In most cases using
the seq_along() function lets you step through index values to extract values
from your original vectors. In general, any S3 object will beh
0 2016/10/03
6 2016-10-03 05:00:00 1 0 1 001 2016/10/03
Jeff
[[alternative HTML version deleted]]
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PLEASE d
0 0 0 010 2016/10/03
6 2016-10-03 05:00:00 1 0 1 001 2016/10/03
Jeff
[[alternative HTML version deleted]]
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
---
Jeff NewmillerThe . .
Obvious? How about "obscurity"? Just directly use pkg::fun if you have name
collision.
--
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On November 16, 2017 4:46:15 PM PST, Duncan Murdoch
wrote:
>On 16/11/2017 4:53 PM, Boris Steipe wrote:
>> Large packages sometimes mask each other's functio
You should ask this in the RStudio support forums.. it is not about R.
I will say anecdotally regarding such behavior that RStudio expects certain
directories that it creates to be hidden (e.g. the .Rproj.user directory for
projects) so if you copied or otherwise messed with those files then th
This question is about algorithm help... or rather, "do my work for me", not
about R.
Study up on "directed acyclic graphs" [1]... there actually are some packages
related to such data structures on CRAN (e.g. pooh::tsort, Task View gR
"gRaphical Models in R"), but you should at least be aware
Just so you know, your attachments were stripped on the mailing list both
times. It was your direct cc to Duncan that allowed him to see your
attachments. Please avoid using attachments in the future, and if you must
anyway then read the Posting Guide about which MIME type attachments are
allow
This is an excellent example of a question that would be appropriate for the
R-sig-mac mailing list. Do read the Posting Guide.
--
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On November 20, 2017 7:27:44 AM PST, kevin bleakley
wrote:
>Hi,
>
>I'm running High Sierra on a new "2017" Macbook A
Your example is incomplete... as the bottom of this and every post says, we
need to be able to proceed from an empty R environment to wherever you are
having the problem (reproducible), in as few steps as possible (minimal). The
example needs to include data, preferably in R syntax as the dput f
PST, yadav neog wrote:
>thank you for your valuable reply. I have attached my commands,
>results, and
>data with this mail..maybe it will be beneficial for you to feedback.
>
>On Tue, Nov 21, 2017 at 9:13 PM, Jeff Newmiller
>
>wrote:
>
>> Your example is incomplet
1) What is easy for one person may be very hard for another, so your question
is really unanswerable. You do need to know C and Fortran to get through the
source code. Get started soon reading the R Internals document if it sounds
interesting to you... you are bound to learn something even if yo
I have no clue what this package is for, but reading the help page for the
ccomp function tells you that it returns a numeric vector or matrix. How do YOU
want to display information from this numeric vector? That will determine how
you would put it into a data frame.
--
Sent from my phone. Ple
You do not appear to have read the Posting Guide mentioned at the bottom if
this and every posting on the mailing list.
Only a very few attachment types are allowed through the mailing list... and
due to the way many email programs fail to identify them properly, even those
few types may not m
A) This list is a general interest list on the R language... you have posed
your question as if you were looking for domain experts such as you might be
more likely to find on the Bioconductor mailing list.
B) Example is not reproducible. [1][2][3]
C) Just because your data don't have missing
il: pd@cbs.dk Priv: pda...@gmail.com
--
Peter Dalgaard, Professor,
Center for Statistics, Copenhagen Business School Solbjerg Plads 3, 2000
Frederiksberg, Denmark
Phone: (+45)38153501
Office: A 4.23
Email: pd@cbs.dk Priv: pda...@gmail.com
subset( DM, "B" != x )
This is covered in the Introduction to R document that comes with R.
--
Sent from my phone. Please excuse my brevity.
On December 6, 2017 3:21:12 PM PST, David Winsemius
wrote:
>
>> On Dec 6, 2017, at 3:15 PM, Ashta wrote:
>>
>> Hi all,
>> In a data set I have group(GR
Solve for one of your variables and it will be given in terms of the other two.
That is, there is a whole infinite plane of solutions. No, aggregate will not
be sufficient to enumerate the solution set..
--
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On December 7, 2017 10:37:37 PM PST, Benj
Have you read the error and installed package "purrr"? On Windows at least,
previously-installed packages can get removed if you attempt to update them
while you have another instance of R open at that time using said packages.
Best to close all your instances of R before updating, but you can d
7, at 4:27 PM, Ashta wrote:
Thank you Ista! Worked fine.
Here's another (possibly more direct in its logic?):
DM[ !ave(DM$x, DM$GR, FUN= function(x) {!length(unique(x))==1}), ]
GR x y
5 B 25 321
6 B 25 512
7 B 25 123
8 B 25 451
--
David
On Wed, Dec 6, 2017 at 5:59 PM, Ist
While a plea about struggling may seem appropriate to you, it is just as
content-free as a reply telling you to use Google... and like it or not, that
tit-for-tat arises due to frustration with lack of specificity as detailed by
Charles. That is, if you are constructive about documenting your is
Better get over it, because it isn't going to change. To avoid it, always work
with vectors of the same length.
This is a logical extension of the idea that a scalar adds to every element of
a vector.
--
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On December 12, 2017 9:41:06 PM PST, Maing
Entry 250 is different between the two. However, I (we?) have no idea what that
function is so it might be using randomness as part of its calculation.
--
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On December 15, 2017 7:11:30 AM PST, Duncan Murdoch
wrote:
>On 15/12/2017 7:45 AM, akshay kul
December 15, 2017 9:07:24 AM PST, akshay kulkarni
wrote:
>dear Jeff,
>
> I think you have hit the bulls eye.
>
>I am using MICE to populate NA values(imputation) in the source data.
>Everytime I call the function MICE populates different values instead
>of the NA&#
Your times are formatted as
01.01.2001-24:00:00
but the default format is
2001-01-01 24:00:00
so you need to specify a format argument with as.POSIXct. Read about format
strings in ?strptime.
--
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On December 15, 2017 9:21:54 AM PST, lily li wrote
Your text has unreadable characters in it. Use plain text.
Also, your attachments are not coming through. Read the Posting Guide about
attachments... best results are usually obtained by inserting the R code in the
body of your email and not attaching anything.
--
Sent from my phone. Please e
You also need to reply-all so the mailing list stays in the loop.
--
Sent from my phone. Please excuse my brevity.
On December 19, 2017 4:00:29 PM PST, Timothy Axberg
wrote:
>Sorry about that. Here is the code typed directly on the email.
>
>qe = (Qmax * Kl * ce) / (1 + Kl * ce)
>
>##The data
Have you read [1]? Specifically the SystemRequirements and URL fields? If you
have installed GGobi previously, perhaps you need to do it again?
[1] https://cran.r-project.org/web/packages/rggobi/index.html
--
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On December 26, 2017 8:27:52 AM PST, Pau
This presumes that 'data[["material"]]' is numeric.
It is unnecessary to put the output data into a separate vector d (it is
already in a vector that is part of the 'data' data frame). I would just
overwrite `d` (or `d1`) each time through the loop:
for (i in seq_along( data[["material"]] ) )
Sometimes that message appears when using a CRAN mirror that is not up-to-date
or has communication problems. Might also try another mirror.
--
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On December 30, 2017 5:25:15 AM PST, Michael Dewey
wrote:
>Dear Bob
>
>In fact the current release is 3.
/index.html
--
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On December 30, 2017 8:08:55 AM PST, rsherry8 wrote:
>Jeff,
>
>I tired another mirror but that did not work. I tired the following two
>
>commands:
>
> > ap <- available.packages()
> > View(ap)
>
&g
Not reproducible [1][2][3]. (Missing references to packages and "b" data
frame.) Also, posting with html format makes extracting your code unreliable,
so set your email program to send plain text for this mailing list.
[1]
http://stackoverflow.com/questions/5963269/how-to-make-a-great-r-reprod
Function arguments are not pass-by-reference... they are pass-by-value. You
need to return the altered object to the caller when you are done messing with
it.
Note that R is a data processing language... your example will not scale to
real world use cases because you make no use of vectorizatio
Why do you want to modify df1?
Why not just reassemble the parts as a new data frame and use that going
forward in your calculations? That is generally the preferred approach in R so
you can re-do your calculations easily if you find a mistake later.
--
Sent from my phone. Please excuse my bre
F 2
#> 3 a acF 2
#> 4 b aaT 5
#> 5 b abF 5
#
On Sun, 7 Jan 2018, Jeff Newmiller wrote:
Why do you want to modify df1?
Why not just reassemble the parts as a new data frame and use that going
forward in your calculations? Th
ommented, minimal, self-contained, reproducible code.
---
Jeff NewmillerThe . . Go Live...
DCN:Basics: ##.#. ##.#. Live Go...
L
siest way.
>> library(zoo)
>
>> na.locf(df1)
> ID ID_2 Firist Value
>1 a aa TRUE 2
>2 a ab FALSE 2
>3 a ac FALSE 2
>4 b aa TRUE 5
>5 b ab FALSE 5
>
>Cheers
>Petr
>
>> -Original Message-
>> Fr
m my phone. Please excuse my brevity.
On January 8, 2018 6:41:33 AM PST, Eric Berger wrote:
>You can enforce these assumptions by sorting on multiple columns, which
>leads to
>
>na.locf(df1[ order(df1$ID,df1$Value), ])
>
>
>
>On Mon, Jan 8, 2018 at 4:19 PM, Jeff Newmiller
>
&
I don't know. You seem to be posting in HTML so your code is mangled. Can you
post plain text and use the reprex package to make sure it produces the errorin
a clean R session?
--
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On January 8, 2018 8:03:45 AM PST, Ek Esawi wrote:
>Thank
Unlikely. My guess is you compiled it yourself without having readline
development support installed where the configure script could find it.
--
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On January 8, 2018 6:23:34 PM PST, Olson Roman wrote:
>Dear R Users,
>
>There is no R keyboard control
Wrong forum.
https://support.bioconductor.org/
--
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On January 9, 2018 10:32:15 AM PST, "Sariya, Sanjeev"
wrote:
>Hello R experts:
>
>I need a developer version of a Bioconductor library.
>
>> sessionInfo()
>R version 3.4.2 (2017-09-28)
>Platform: x8
You are the one with data. Supply what you have (or a simulated version of
same, hence the reading recommendation) using dput, and someone may suggest how
to transform it. In most cases a simple tabular format (data frame) is
sufficient.
--
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On Jan
break. That is, 10
rows will likely be insufficient for a dry run.
--
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On January 10, 2018 2:02:29 PM PST, Jeff Newmiller
wrote:
>You are the one with data. Supply what you have (or a simulated version
>of same, hence the reading recommen
Because many technical people need to accomplish statistical data analysis with
computers that depend on existing algorithms applied in new ways, or with new
algorithms that are not implemented by commercial software. Often such people
have no desire to provide step-by-step support of their too
Your message seems unclear, and as evidence the respondents are giving various
answers. You should provide a small sample of input and output data as it would
look in R to avoid this kind of thrashing about. See [1][2][3] for guidance.
Note that you also really need to figure out how to make sur
Thanks.
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and provide commented, minimal, self-contained, repro
d, reproducible code.
---
Jeff NewmillerThe . . Go Live...
DCN:Basics: ##.#. ##.#. Live Go...
Live: OO#.. Dead: OO#.. Playing
Research Engineer (Solar/Batteries
Of course... R _is_ open source. However, it is unwise to assume that the
volunteers scratching itches for their preferred distros will take on
additional work... it is more likely that you will need to take on scratching
that new itch.
--
Sent from my phone. Please excuse my brevity.
On Janua
Please post using plain text... the mailing list will strip HTML anyway and
mess up what you send.
Send the output of sessionInfo() so we know what versions of R and packages you
have.
--
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On January 17, 2018 4:37:06 PM PST, shijin mathew via R-he
Offlist... for your information...
It is unfair to suggest that the mailing list participants are at fault for
using old software. Even if the mailing list participants use email programs
that can handle HTML, any email that goes through the list gets the formatting
stripped, which leaves it d
You probably ought to read the CRAN Optimization Task View. [1]
You should also read the Posting Guide mentioned at the bottom of every R-help
email (e.g. no homework, use plain text email). You should also read some
guides on asking questions online (e.g. [2][3][4]).
[1] https://cran.r-project
They seem to release their data in xml and csv formats also... why are you
scraping?
--
Sent from my phone. Please excuse my brevity.
On January 23, 2018 9:31:01 AM PST, Ilio Fornasero
wrote:
>I am doing a research on World Bank (WB) projects on developing
>countries. To do so, I am scraping
And a warning to the OP... PDF files are like packages a wide variety of
things can be inside, including text in semi-random order, or bitmap images of
text... so having a tool that extracts text from the file will only be of use
if your PDF files happen to be of the type that contain reason
I have never used that package, but it seems obvious to me that you need to
"reflect" on the meaning of the word "mirror". There is no reason to assume
that a site hosting a mirror of the CRAN archive is also going to host a mirror
of Project Gutenberg [1].
If, after you know you are giving rea
tained, reproducible code.
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ycode"))
result2 <- content(sample2)
height <- result2$height[[1]]
Can you please suggest a way around this, it has been driving me mad!
Thank you so much.
Oliver
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