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I'm looking for a way to save a R dataframe in msgpack format.
With pandas we do that with df.to_msgpack, I've found this https://gist.github.com/abicky/4433343 to read msgpack[1] file in R.
So how to write a R dataframe in msgpack ?
[1] http://msgpack.org/
There is an older R-based version for the pre-MsgPack 1.0 format on CRAN: msgpackR
I am using newer (post 1.4.0) MsgPack via headers and C++ bindings, but that packages is so far only in my GitHub repo: RcppMsgPack
The package is used as an optional compile-time choice for RcppRedis.
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Is there a R package for this? I´m looking for something similar to qrencoder but in 1D
For now, my walkaround solution is to use python-barcode through reticulate but I would like to use a R library.
library(reticulate)
barcode <- import("barcode")
name <- barcode$generate('EAN13', '7750243002455', output='barcode_svg')
My ultimate goal is to show barcodes of my products on a Shiny app
Have a look at the zintr package, which uses zint.
barcode_print(8675309, "barcode1.png")
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I know with using pack 'real', we can use embedded R in Prolog. But I met problems to use this pack. And I didn't find simple examples of using this pack.
Can somebody give a simple example of this pack?
e.g. Loading Prolog values on to R variables and then call R functions on these values (generate a plot by R function or whatever).
The syntax is the same as the SWISH version I think so just look here:
http://swish.swi-prolog.org/example/Rserve.swinb
and
http://swish.swi-prolog.org/example/Rdataframe.swinb
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I am going to generate a Run Chart in R. I need a package and example to show me how to do this. I found the "qicharts" package but apparently is has a problem to install.
what kind pf Problem do you have while installing "qicharts"? Do you get an error? I am asking because it is working for me.
Nevertheless you might also want to have a lock at the "qcc"-Package. Here you can find something like a small introduction and here is the cran help to the package.
But I also think that the chance is high that you can plot your with "ggplot2" too.
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I'm studying about sparkR, and I know there are so many useful R package in CRAN. But it seems like R package can't be used in sparkR. I'm not sure about that.
Is it true??? If it's not, could you explain how import R package into sparkR?
I'm guessing that you may be referring to the includePackage command:
SparkR also allows easy use of existing R packages inside closures.
The includePackage command can be used to indicate packages that
should be loaded before every closure is executed on the cluster.
Source: R frontend for Spark
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I am looking for an R package which could provide a framework to interact with
Airborne-Laster-Scanning (ALS)-data and polygon-meshes. I guess it is pretty
straightforward to use RCPP for interfacing:
Libraries
OpenMesh
libLas
Pointclouds
CGAL
meshlab
Requested Features
To name a few:
Mesh-Lidar-interaction
refine/coarse triangulated mesh according to ALS
interpolate elevation from ALS
Inject points/lines/holes into the mesh
Mesh-Simplification
Reading and writing in different mesh-formats (.stl,.2dm, ...)
P.S.: I would also be interested in implementations in julia or haskell.