T distribution quantile

ROOT
1

‘ROOT::Math::tdistribution_quantile’ and ‘ROOT::Math::tdistribution_quantile_c’ are not working in the interactive section.
Showing error given below. Kindly help.

root [0] ROOT::Math::tdistribution_quantile_c(0.11,1880)
IncrementalExecutor::executeFunction: symbol ‘_ZN4ROOT4Math24tdistribution_quantile_cEdd’ unresolved while linking [cling interface function]! You are probably missing the definition of ROOT::Math::tdistribution_quantile_c(double, double) Maybe you need to load the corresponding shared library?
root [1]

2 
root [0] ROOT::Math::tdistribution_quantile_c(0.11,1880)
(double) 1.2269367

You probably need to say which operating system, which compiler, and which “root-config --features” you have.

3

compiler:
g++ (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
OS:
Ubuntu 18.04

Root Version:
ROOT 6.14/06

ROOT ./configure options: CFITSIO_INCLUDE_DIR=/usr/include CFITSIO_LIBRARY=/usr/lib/x86_64-linux-gnu/libcfitsio.so FFTW_INCLUDE_DIR=/usr/include FFTW_LIBRARY=/usr/lib/x86_64-linux-gnu/libfftw3.so FREETYPE_INCLUDE_DIR_freetype2=/usr/include/freetype2 FREETYPE_INCLUDE_DIR_ft2build=/usr/include/freetype2 FREETYPE_LIBRARY_RELEASE=/usr/lib/x86_64-linux-gnu/libfreetype.so LIBXML2_INCLUDE_DIR=/usr/include/libxml2 LIBXML2_LIBRARY=/usr/lib/x86_64-linux-gnu/libxml2.so LZ4_INCLUDE_DIR=/home/sridhar/programs/root-6.14.06/builtins/lz4 LZ4_INCLUDE_DIRS=/home/sridhar/programs/root-6.14.06/builtins/lz4 LZ4_LIBRARIES=LZ4::LZ4 LZ4_LIBRARY=$<TARGET_FILE:lz4> LZMA_INCLUDE_DIR=/home/sridhar/programs/builddir/include MYSQL_INCLUDE_DIR=/usr/include/mysql OPENGL_GLX_INCLUDE_DIR=/usr/include OPENGL_INCLUDE_DIR=/usr/include OPENGL_egl_LIBRARY=/usr/lib/x86_64-linux-gnu/libEGL.so OPENGL_gl_LIBRARY=/usr/lib/x86_64-linux-gnu/libGL.so OPENGL_glu_LIBRARY=/usr/lib/x86_64-linux-gnu/libGLU.so OPENGL_glx_LIBRARY=/usr/lib/x86_64-linux-gnu/libGLX.so OPENGL_opengl_LIBRARY=/usr/lib/x86_64-linux-gnu/libOpenGL.so OPENSSL_CRYPTO_LIBRARY=/usr/lib/x86_64-linux-gnu/libcrypto.so OPENSSL_INCLUDE_DIR=/usr/include OPENSSL_SSL_LIBRARY=/usr/lib/x86_64-linux-gnu/libssl.so PCRE_INCLUDE_DIR=/usr/include PCRE_PCREPOSIX_LIBRARY=/usr/lib/x86_64-linux-gnu/libpcreposix.so PCRE_PCRE_LIBRARY=/usr/lib/x86_64-linux-gnu/libpcre.so PC_LIBXML_INCLUDEDIR=/usr/include PC_LIBXML_INCLUDE_DIRS=/usr/include/libxml2 PC_LIBXML_LIBRARIES=xml2 PC_LIBXML_STATIC_INCLUDE_DIRS=/usr/include/libxml2 PNG_LIBRARY=/usr/lib/x86_64-linux-gnu/libpng.so PNG_LIBRARY_RELEASE=/usr/lib/x86_64-linux-gnu/libpng.so PNG_PNG_INCLUDE_DIR=/usr/include PYTHON_INCLUDE_DIR=/usr/include/python2.7 PYTHON_LIBRARY=/usr/lib/x86_64-linux-gnu/libpython2.7.so PYTHON_LIBRARY_RELEASE=/usr/lib/x86_64-linux-gnu/libpython2.7.so TBB_INCLUDE_DIR=/usr/include TBB_LIBRARY=/usr/lib/x86_64-linux-gnu/libtbb.so TBB_LIBRARY_RELEASE=/usr/lib/x86_64-linux-gnu/libtbb.so VDT_INCLUDE_DIRS=/home/sridhar/programs/builddir/include VDT_LIBRARIES=/home/sridhar/programs/builddir/lib/libvdt.so X11_X11_INCLUDE_PATH=/usr/include X11_XShm_INCLUDE_PATH=/usr/include X11_XSync_INCLUDE_PATH=/usr/include X11_Xaccessstr_INCLUDE_PATH=/usr/include X11_Xau_INCLUDE_PATH=/usr/include X11_Xdamage_INCLUDE_PATH=/usr/include X11_Xdmcp_INCLUDE_PATH=/usr/include X11_Xfixes_INCLUDE_PATH=/usr/include X11_Xft_INCLUDE_PATH=/usr/include X11_Xkb_INCLUDE_PATH=/usr/include X11_Xkblib_INCLUDE_PATH=/usr/include X11_Xlib_INCLUDE_PATH=/usr/include X11_Xpm_INCLUDE_PATH=/usr/include X11_Xrender_INCLUDE_PATH=/usr/include X11_Xshape_INCLUDE_PATH=/usr/include X11_Xutil_INCLUDE_PATH=/usr/include X11_dpms_INCLUDE_PATH=/usr/include X11_xf86vmode_INCLUDE_PATH=/usr/include ZLIB_INCLUDE_DIR=/usr/include ZLIB_LIBRARY_RELEASE=/usr/lib/x86_64-linux-gnu/libz.so xxHash_INCLUDE_DIR=/home/sridhar/programs/root-6.14.06/builtins/xxhash xxHash_INCLUDE_DIRS=/home/sridhar/programs/root-6.14.06/builtins/xxhash xxHash_LIBRARIES=xxHash::xxHash xxHash_LIBRARY=$<TARGET_FILE:xxhash>

4

With your ROOT version, you need:

root [0] gSystem->Load("libMathMore");
root [1] ROOT::Math::tdistribution_quantile_c(0.11,1880)
(double) 1.2269367

BTW. Your ROOT version is known to be seriously buggy, so you should upgrade your ROOT version to the latest release.

5

thank you!

6

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