error in the test_IQRtools()

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Jul 1, 2021, 1:03:22 AM7/1/21
to iqr-tools-users-group
Dear developers sr,
    Since I followed the path in the guide for installation, the installation was successful, but during the preliminary test, I found some mistakes, I do not know how to solve them, would like to ask for help

3.1 IQR Tools

Note that IQR Tools is currently not on CRAN - but we are working on it. Use the command above to install both IQR Tools and its dependencies.

Test your installation by executing the following:


                 repos = c("",""), 
                 dependencies = TRUE)
test_IQRtools()  # Should result in a data.frame


> test_IQRtools()  # Should result in a data.frame
d:/PROGRA~1/R/R-41~1.0/etc/x64/Makeconf:260: warning: overriding commands for target `.m.o'
d:/PROGRA~1/R/R-41~1.0/etc/x64/Makeconf:253: warning: ignoring old commands for target `.m.o'
/mingw64/bin/gcc  -I"d:/PROGRA~1/R/R-41~1.0/include" -DNDEBUG -I"C:/Users/oillen/Documents/R/win-library/4.1/IQRtools/solver/include/" -I"D:/Program Files/R/R-4.1.0/library/IQRtools/solver/include/" -w         -O2 -Wall  -std=gnu99 -mfpmath=sse -msse2 -mstackrealign  -c IQRmodel_file1cb01676129.c -o IQRmodel_file1cb01676129.o
make: *** [IQRmodel_file1cb01676129.o] Error 1
error: Compilation of model led to an error. Please check the above output and correct the model.

Henning Schmidt

Jul 1, 2021, 1:10:57 AM7/1/21
to, iqr-tools-users-group

Looking at the error message you seem to be using R 4.1.0?
We have tested IQR Tools up to R4.0.3. And it might be that I only tested this on Linux and not on Windows. 
R is a beast - and the non-default-availability of compilers on Windows (and thus the need for Rtools) renders it even more beasty.

Three suggestions to solve the problem:
  1. Not very helpful: Consider your Rtools installation 
  2. Not exciting: Use R3.6.3, and the appropriate Rtools
  3. Easiest with 100% success guarantee (if you run Windows 10): Consider installation of IQdesktop (


Henning Schmidt, PhD
Managing Director

IntiQuan GmbH
Elisabethenstrasse 23 [see map]
4051 Basel, Switzerland

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