[R] how to remove all messages when loading a library ?

[Fabien Tarrade]

Hi Bert,

> ?? Dont you already have the answer: you must set warn.conflicts =
> FALSE in all your library calls.
Thanks. This works. Now understand the logic but first I was thinking 
that removing WARNING messages should remove conflit warning as well.

Anyway it works.

Thanks
Cheers
Fabien
>
>
> Cheers,
> 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, Sep 25, 2016 at 12:22 PM, Fabien Tarrade
> <fabien.tarrade at gmail.com> wrote:
>> Hi there,
>>
>> I would like to remove all messages when I load library (I fact I am using
>> "require" and "install.packages"). I tried many options and look at the
>> documentation for the 2 functions.
>> For example I am using the following piece of code: init.R
>>
>> print("step 1")
>> # Install library if not installed
>> if (!require("plyr",quietly=TRUE,warn.conflicts=FALSE))
>> suppressMessages(install.packages("plyr",quietly=TRUE))
>> if (!require("dplyr",quietly=TRUE))
>> suppressMessages(install.packages("dplyr",quietly=TRUE))
>> if (!require("stringr",quietly=TRUE))
>> suppressMessages(install.packages("stringr",quietly=TRUE))
>> if (!require("readr",quietly=TRUE))
>> suppressMessages(install.packages("readr",quietly=TRUE))
>> if (!require("tidyr",quietly=TRUE))
>> suppressMessages(install.packages("tidyr",quietly=TRUE))
>> if (!require("XML",quietly=TRUE))
>> suppressMessages(install.packages("XML",quietly=TRUE))
>> if (!require("Rcpp",quietly=TRUE))
>> suppressMessages(install.packages("Rcpp",quietly=TRUE))
>> if (!require("rbenchmark",quietly=TRUE))
>> suppressMessages(install.packages("rbenchmark",quietly=TRUE))
>> if (!require("tiff",quietly=TRUE))
>> suppressMessages(install.packages("tiff",quietly=TRUE))
>> if (!require("xlsx",quietly=TRUE))
>> suppressMessages(install.packages("xlsx",quietly=TRUE))
>> if (!require("ROracle",quietly=TRUE))
>> suppressMessages(install.packages("T:/CH/R/ROracle_1.2-2.zip", repos = NULL,
>> type = "source",quietly=TRUE))
>> print("step 2")
>>
>> and I run the code in this way:
>>> source("./init.R",encoding =
>>> "UTF-8",verbose=FALSE,echo=FALSE,print.eval=FALSE)
>> and I get the following output that I don't manage to remove:
>>
>> [1] "step 1"
>>
>> Attache Paket: ‘dplyr’
>>
>> Die folgenden Objekte sind maskiert von ‘package:plyr’:
>>
>>      arrange, count, desc, failwith, id, mutate, rename, summarise, summarize
>>
>> Die folgenden Objekte sind maskiert von ‘package:stats’:
>>
>>      filter, lag
>>
>> Die folgenden Objekte sind maskiert von ‘package:base’:
>>
>>      intersect, setdiff, setequal, union
>> [1] "step 2"
>>
>> What is the way to get no messages at all when loading library ? ( or using
>> other R function in general).
>> I am trying to keep only the important messages and so far I am getting way
>> too much messages.
>>
>> Thanks
>> Cheers
>> Fabien
>>
>>
>> --
>> Dr Fabien Tarrade
>>
>> Quantitative Analyst/Developer - Data Scientist
>>
>> Senior data analyst specialised in the modelling, processing and statistical
>> treatment of data.
>> PhD in Physics, 10 years of experience as researcher at the forefront of
>> international scientific research.
>> Fascinated by finance and data modelling.
>>
>> Zurich, Switzerland
>>
>> Email : contact at fabien-tarrade.eu <mailto:contact at fabien-tarrade.eu>
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-- 
Dr Fabien Tarrade

Quantitative Analyst/Developer - Data Scientist

Senior data analyst specialised in the modelling, processing and 
statistical treatment of data.
PhD in Physics, 10 years of experience as researcher at the forefront of 
international scientific research.
Fascinated by finance and data modelling.

Geneva, Switzerland

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