diff --git a/src/backend/cantorWorksheet/VariableParser.cpp b/src/backend/cantorWorksheet/VariableParser.cpp
index 28fb393be..d12f68026 100644
--- a/src/backend/cantorWorksheet/VariableParser.cpp
+++ b/src/backend/cantorWorksheet/VariableParser.cpp
@@ -1,123 +1,121 @@
 /***************************************************************************
     File                 : VariableParser.h
     Project              : LabPlot
     Description          : Variable parser for different CAS backends
     --------------------------------------------------------------------
     Copyright            : (C) 2015 Garvit Khatri (garvitdelhi@gmail.com)
     Copyright            : (C) 2016 by Alexander Semke (alexander.semke@web.de)
 
  ***************************************************************************/
 
 /***************************************************************************
  *                                                                         *
  *  This program is free software; you can redistribute it and/or modify   *
  *  it under the terms of the GNU General Public License as published by   *
  *  the Free Software Foundation; either version 2 of the License, or      *
  *  (at your option) any later version.                                    *
  *                                                                         *
  *  This program is distributed in the hope that it will be useful,        *
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of         *
  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the          *
  *  GNU General Public License for more details.                           *
  *                                                                         *
  *   You should have received a copy of the GNU General Public License     *
  *   along with this program; if not, write to the Free Software           *
  *   Foundation, Inc., 51 Franklin Street, Fifth Floor,                    *
  *   Boston, MA  02110-1301  USA                                           *
  *                                                                         *
  ***************************************************************************/
 
 #include "VariableParser.h"
 #include <QStringList>
 #include "backend/lib/trace.h"
 #include <cmath>
 
 VariableParser::VariableParser(const QString& name, const QString& value)
 	: m_backendName(name), m_string(value), m_parsed(false) {
 
 	PERFTRACE("parsing variable");
 	if(m_backendName.compare(QStringLiteral("Maxima"), Qt::CaseInsensitive) == 0)
 		parseMaximaValues();
 	else if(m_backendName.compare(QStringLiteral("Python 3"), Qt::CaseInsensitive) == 0)
 		parsePythonValues();
 	else if(m_backendName.compare(QStringLiteral("Python 2"), Qt::CaseInsensitive) == 0)
 		parsePythonValues();
 	else if(m_backendName.compare(QStringLiteral("Sage"), Qt::CaseInsensitive) == 0)
 		parsePythonValues();
 	else if(m_backendName.compare(QStringLiteral("R"), Qt::CaseInsensitive) == 0)
 		parseRValues();
 	else if(m_backendName.compare(QStringLiteral("Julia"), Qt::CaseInsensitive) == 0)
 		parsePythonValues();
 }
 
 void VariableParser::parseMaximaValues() {
 	if(m_string.count(QStringLiteral("[")) < 2) {
 		m_string = m_string.replace(QStringLiteral("["), QStringLiteral(""));
 		m_string = m_string.replace(QStringLiteral("]"), QStringLiteral(""));
 		m_string = m_string.trimmed();
 
 		const QStringList valueStringList = m_string.split(QStringLiteral(","));
 		parseValues(valueStringList);
 	}
 }
 
 void VariableParser::parsePythonValues() {
 	QStringList valueStringList;
 	m_string = m_string.trimmed();
 	if (m_string.startsWith(QStringLiteral("array"))) {
 		//parse numpy arrays, string representation like array([1,2,3,4,5])
 		m_string = m_string.replace(QStringLiteral("array(["), QStringLiteral(""));
 		m_string = m_string.replace(QStringLiteral("])"), QStringLiteral(""));
 	} else if (m_string.startsWith(QStringLiteral("["))) {
 		//parse python's lists
 		m_string = m_string.replace(QStringLiteral("["), QStringLiteral(""));
 		m_string = m_string.replace(QStringLiteral("]"), QStringLiteral(""));
 	} else if(m_string.startsWith(QStringLiteral("("))) {
 		//parse python's tuples
 		m_string = m_string.replace(QStringLiteral("("), QStringLiteral(""));
 		m_string = m_string.replace(QStringLiteral(")"), QStringLiteral(""));
 	} else {
 		return;
 	}
 
 	if(m_string.count(QStringLiteral(","))>1)
 		valueStringList = m_string.split(QStringLiteral(","));
 	else
 		valueStringList = m_string.split(QStringLiteral(" "));
 
 	parseValues(valueStringList);
 }
 
 void VariableParser::parseRValues() {
-	m_string = m_string.remove( QRegExp("\\[.*\\]"));
 	m_string = m_string.trimmed();
-
-	const QStringList valueStringList = m_string.split(QStringLiteral(" "));
+	const QStringList valueStringList = m_string.split(QStringLiteral(", "));
 	parseValues(valueStringList);
 }
 
 bool VariableParser::isParsed() {
 	return m_parsed;
 }
 
 QVector< double > VariableParser::values() {
 	return m_values;
 }
 
 void VariableParser::parseValues(const QStringList& values) {
 	PERFTRACE("parsing variable values string list");
 	for(const QString& v : values) {
 		bool isNumber = false;
 		double value = v.trimmed().toDouble(&isNumber);
 
 		//accept the variable only if there is at least one numerical value in the array.
 		if(isNumber) {
 			if (!m_parsed)
 				m_parsed = true;
 		} else {
 			value = NAN;
 		}
 
 		m_values << value;
 	}
 }