Tested and corrected all examples up to mask in the graphx-programming-guide.
Tested and corrected all examples up to mask in the graphx-programming-guide.

dongjoon-hyun/spark,rekhajoshm/spark,patrick-nicholson/spark,ahnqirage/spark,tejasapatil/spark,szhem/spark,sachintyagi22/spark,markhamstra/spark,michalsenkyr/spark,rekhajoshm/spark,nchammas/spark,publicRoman/spark,rekhajoshm/spark,1haodian/spark,ericvandenbergfb/spark,nilsgrabbert/spark,apache-spark-on-k8s/spark,ueshin/apache-spark,aokolnychyi/spark,minixalpha/spark,lvdongr/spark,SHASHANKB/spark,bOOm-X/spark,joseph-torres/spark,esi-mineset/spark,sahilTakiar/spark,liyichao/spark,WeichenXu123/spark,WindCanDie/spark,andrewor14/spark,ptkool/spark,zzcclp/spark,bdrillard/spark,janewangfb/spark,skonto/spark,shuangshuangwang/spark,nlalevee/spark,zero323/spark,mzl9039/spark,ibm-research-ireland/sparkoscope,mahak/spark,andrewor14/iolap,mdespriee/spark,LantaoJin/spark,ConeyLiu/spark,WindCanDie/spark,milliman/spark,markhamstra/spark,map222/spark,highfei2011/spark,joseph-torres/spark,holdenk/spark,rezasafi/spark,WindCanDie/spark,jiangxb1987/spark,nilsgrabbert/spark,dongjoon-hyun/spark,janewangfb/spark,adrian-ionescu/apache-spark,zuotingbing/spark,publicRoman/spark,bravo-zhang/spark,cloudera/spark,JerryLead/spark,jkbradley/spark,pgandhi999/spark,icexelloss/spark,dbtsai/spark,poffuomo/spark,eyalfa/spark,kiszk/spark,ibm-research-ireland/sparkoscope,witgo/spark,guoxiaolongzte/spark,esi-mineset/spark,rekhajoshm/spark,liyichao/spark,metamx/spark,facaiy/spark,liutang123/spark,nlalevee/spark,maropu/spark,MLnick/spark,ConeyLiu/spark,sachintyagi22/spark,map222/spark,big-pegasus/spark,alunarbeach/spark,wangyum/spark,xflin/spark,UndeadBaneGitHub/spark,vinodkc/spark,someorz/spark,nchammas/spark,wangmiao1981/spark,loneknightpy/spark,ron8hu/spark,rezasafi/spark,narahari92/spark,highfei2011/spark,maropu/spark,gengliangwang/spark,minixalpha/spark,apache-spark-on-k8s/spark,wzhfy/spark,guoxiaolongzte/spark,ConeyLiu/spark,holdenk/spark,zuotingbing/spark,markhamstra/spark,ibm-research-ireland/sparkoscope,zhouyejoe/spark,zhouyejoe/spark,esi-mineset/spark,shuangshuangwang/spark,sahilTakiar/spark,guoxiaolongzte/spark,markhamstra/spark,apache/spark,shubhamchopra/spark,publicRoman/spark,ConeyLiu/spark,jkbradley/spark,dbtsai/spark,stanzhai/spark,ajaysaini725/spark,SnappyDataInc/spark,sureshthalamati/spark,panfengfeng/spark,vinodkc/spark,kevinyu98/spark,mahak/spark,andrewor14/iolap,MLnick/spark,JoshRosen/spark,nlalevee/spark,kimoonkim/spark,ajaysaini725/spark,cloudera/spark,tejasapatil/spark,panfengfeng/spark,ueshin/apache-spark,mahak/spark,wangmiao1981/spark,dhruve/spark,chuckchen/spark,wangmiao1981/spark,darionyaphet/spark,ron8hu/spark,xflin/spark,nilsgrabbert/spark,wzhfy/spark,gioenn/xSpark,kimoonkim/spark,mike0sv/spark,wzhfy/spark,spark-test/spark,maropu/spark,byakuinss/spark,saturday-shi/spark,eyalfa/spark,lvdongr/spark,jrshust/spark,xuanyuanking/spark,apache-spark-on-k8s/spark,chuckchen/spark,saltstar/spark,sureshthalamati/spark,HyukjinKwon/spark,srowen/spark,zhouyejoe/spark,nchammas/spark,shuangshuangwang/spark,darionyaphet/spark,janewangfb/spark,WindCanDie/spark,sahilTakiar/spark,xuanyuanking/spark,andrewor14/spark,yanboliang/spark,saltstar/spark,cin/spark,ueshin/apache-spark,haowu80s/spark,chuckchen/spark,jiangxb1987/spark,andrewor14/spark,sryza/spark,mahak/spark,ptkool/spark,WindCanDie/spark,szhem/spark,rikima/spark,pgandhi999/spark,ioana-delaney/spark,jlopezmalla/spark,eyalfa/spark,Panos-Bletsos/spark-cost-model-optimizer,facaiy/spark,wangyum/spark,shaneknapp/spark,guoxiaolongzte/spark,aray/spark,ahnqirage/spark,jiangxb1987/spark,goldmedal/spark,Aegeaner/spark,zero323/spark,tengpeng/spark,JoshRosen/spark,mzl9039/spark,apache-spark-on-k8s/spark,narahari92/spark,dhruve/spark,gioenn/xSpark,JoshRosen/spark,eyalfa/spark,saturday-shi/spark,mahak/spark,shaneknapp/spark,darionyaphet/spark,zuotingbing/spark,rezasafi/spark,map222/spark,narahari92/spark,shubhamchopra/spark,shuangshuangwang/spark,byakuinss/spark,setjet/spark,minixalpha/spark,aray/spark,bdrillard/spark,ioana-delaney/spark,setjet/spark,shaneknapp/spark,LantaoJin/spark,jrshust/spark,taroplus/spark,akopich/spark,xuanyuanking/spark,SHASHANKB/spark,zhouyejoe/spark,vinodkc/spark,HyukjinKwon/spark,jrshust/spark,yanboliang/spark,metamx/spark,sachintyagi22/spark,JoshRosen/spark,lvdongr/spark,ddna1021/spark,cin/spark,big-pegasus/spark,milliman/spark,rednaxelafx/apache-spark,wangyum/spark,rednaxelafx/apache-spark,bdrillard/spark,andrewor14/spark,poffuomo/spark,map222/spark,shuangshuangwang/spark,taroplus/spark,map222/spark,JoshRosen/spark,witgo/spark,markhamstra/spark,srowen/spark,kissmetrics/spark,cin/spark,byakuinss/spark,stanzhai/spark,haowu80s/spark,poffuomo/spark,mzl9039/spark,milliman/spark,liyichao/spark,srowen/spark,rednaxelafx/apache-spark,szhem/spark,matthewfranglen/spark,janewangfb/spark,mzl9039/spark,HyukjinKwon/spark,esi-mineset/spark,taroplus/spark,nilsgrabbert/spark,caneGuy/spark,saltstar/spark,liyichao/spark,WeichenXu123/spark,shubhamchopra/spark,alunarbeach/spark,apache/spark,ioana-delaney/spark,rednaxelafx/apache-spark,jkbradley/spark,JerryLead/spark,aokolnychyi/spark,MLnick/spark,ericvandenbergfb/spark,aosagie/spark,bravo-zhang/spark,akopich/spark,darionyaphet/spark,actuaryzhang/spark,cin/spark,szhem/spark,jlopezmalla/spark,brad-kaiser/spark,jlopezmalla/spark,caneGuy/spark,big-pegasus/spark,dongjoon-hyun/spark,BryanCutler/spark,sryza/spark,SHASHANKB/spark,ioana-delaney/spark,pronix/spark,shaneknapp/spark,cloud-fan/spark,sureshthalamati/spark,highfei2011/spark,rednaxelafx/apache-spark,setjet/spark,ibm-research-ireland/sparkoscope,JerryLead/spark,shubhamchopra/spark,JerryLead/spark,xuanyuanking/spark,haowu80s/spark,map222/spark,xuanyuanking/spark,mike0sv/spark,ioana-delaney/spark,kimoonkim/spark,hvanhovell/spark,witgo/spark,metamx/spark,yanboliang/spark,saltstar/spark,apache-spark-on-k8s/spark,cloudera/spark,facaiy/spark,dbtsai/spark,aosagie/spark,ericvandenbergfb/spark,huang1900/spark,ioana-delaney/spark,tengpeng/spark,JerryLead/spark,highfei2011/spark,lvdongr/spark,xflin/spark,MLnick/spark,LantaoJin/spark,taroplus/spark,WeichenXu123/spark,BryanCutler/spark,goldmedal/spark,lxsmnv/spark,spark-test/spark,loneknightpy/spark,jrshust/spark,dongjoon-hyun/spark,debugger87/spark,sahilTakiar/spark,holdenk/spark,UndeadBaneGitHub/spark,JoshRosen/spark,dongjoon-hyun/spark,hhbyyh/spark,zero323/spark,milliman/spark,saturday-shi/spark,sryza/spark,nlalevee/spark,alunarbeach/spark,adrian-ionescu/apache-spark,kiszk/spark,witgo/spark,darionyaphet/spark,dbtsai/spark,nlalevee/spark,shuangshuangwang/spark,goldmedal/spark,jkbradley/spark,jianran/spark,narahari92/spark,jiangxb1987/spark,joseph-torres/spark,WindCanDie/spark,bOOm-X/spark,big-pegasus/spark,apache/spark,LantaoJin/spark,haowu80s/spark,darionyaphet/spark,brad-kaiser/spark,saturday-shi/spark,goldmedal/spark,dhruve/spark,witgo/spark,LantaoJin/spark,hvanhovell/spark,pronix/spark,gioenn/xSpark,wangyum/spark,icexelloss/spark,cloud-fan/spark,someorz/spark,patrick-nicholson/spark,mike0sv/spark,srowen/spark,mike0sv/spark,maropu/spark,UndeadBaneGitHub/spark,bravo-zhang/spark,mike0sv/spark,poffuomo/spark,ahnqirage/spark,apache/spark,patrick-nicholson/spark,WeichenXu123/spark,jianran/spark,bravo-zhang/spark,pgandhi999/spark,narahari92/spark,UndeadBaneGitHub/spark,caneGuy/spark,saturday-shi/spark,hvanhovell/spark,shaneknapp/spark,facaiy/spark,shubhamchopra/spark,SnappyDataInc/spark,aokolnychyi/spark,saltstar/spark,nilsgrabbert/spark,tengpeng/spark,aokolnychyi/spark,icexelloss/spark,caneGuy/spark,narahari92/spark,vinodkc/spark,wangmiao1981/spark,ptkool/spark,SnappyDataInc/spark,ron8hu/spark,kevinyu98/spark,MLnick/spark,cloudera/spark,shubhamchopra/spark,someorz/spark,byakuinss/spark,joseph-torres/spark,zero323/spark,techaddict/spark,SHASHANKB/spark,dhruve/spark,pronix/spark,rekhajoshm/spark,cin/spark,cin/spark,kevinyu98/spark,patrick-nicholson/spark,dotunolafunmiloye/spark,shuangshuangwang/spark,cloud-fan/spark,techaddict/spark,liutang123/spark,hhbyyh/spark,liutang123/spark,chuckchen/spark,aosagie/spark,actuaryzhang/spark,ioana-delaney/spark,tejasapatil/spark,gioenn/xSpark,loneknightpy/spark,aokolnychyi/spark,xflin/spark,Panos-Bletsos/spark-cost-model-optimizer,byakuinss/spark,caneGuy/spark,andrewor14/iolap,spark-test/spark,bdrillard/spark,mzl9039/spark,ajaysaini725/spark,lxsmnv/spark,mzl9039/spark,ahnqirage/spark,markhamstra/spark,yanboliang/spark,zero323/spark,panfengfeng/spark,nchammas/spark,panfengfeng/spark,tejasapatil/spark,jianran/spark,taroplus/spark,apache/spark,mzl9039/spark,aokolnychyi/spark,ddna1021/spark,yanboliang/spark,gengliangwang/spark,gengliangwang/spark,andrewor14/spark,gengliangwang/spark,pronix/spark,sahilTakiar/spark,nchammas/spark,SnappyDataInc/spark,akopich/spark,akopich/spark,stanzhai/spark,shubhamchopra/spark,zero323/spark,ConeyLiu/spark,debugger87/spark,zzcclp/spark,kiszk/spark,dongjoon-hyun/spark,pgandhi999/spark,UndeadBaneGitHub/spark,jrshust/spark,WeichenXu123/spark,kevinyu98/spark,caneGuy/spark,icexelloss/spark,huang1900/spark,wangyum/spark,minixalpha/spark,milliman/spark,jrshust/spark,michalsenkyr/spark,xflin/spark,panfengfeng/spark,LantaoJin/spark,spark-test/spark,adrian-ionescu/apache-spark,Panos-Bletsos/spark-cost-model-optimizer,ahnqirage/spark,facaiy/spark,ueshin/apache-spark,caneGuy/spark,dhruve/spark,nlalevee/spark,lvdongr/spark,BryanCutler/spark,jlopezmalla/spark,debugger87/spark,haowu80s/spark,Aegeaner/spark,mdespriee/spark,zzcclp/spark,narahari92/spark,kissmetrics/spark,big-pegasus/spark,UndeadBaneGitHub/spark,facaiy/spark,akopich/spark,yanboliang/spark,dbtsai/spark,markhamstra/spark,saturday-shi/spark,mahak/spark,nilsgrabbert/spark,liyichao/spark,1haodian/spark,brad-kaiser/spark,brad-kaiser/spark,cin/spark,taroplus/spark,wangyum/spark,gengliangwang/spark,eyalfa/spark,akopich/spark,jiangxb1987/spark,techaddict/spark,guoxiaolongzte/spark,chuckchen/spark,rezasafi/spark,adrian-ionescu/apache-spark,debugger87/spark,jianran/spark,michalsenkyr/spark,rikima/spark,BryanCutler/spark,holdenk/spark,dongjoon-hyun/spark,bdrillard/spark,sureshthalamati/spark,zzcclp/spark,mdespriee/spark,bdrillard/spark,zuotingbing/spark,ron8hu/spark,michalsenkyr/spark,kiszk/spark,wzhfy/spark,huang1900/spark,apache-spark-on-k8s/spark,taroplus/spark,lxsmnv/spark,kevinyu98/spark,holdenk/spark,sahilTakiar/spark,srowen/spark,skonto/spark,publicRoman/spark,witgo/spark,andrewor14/iolap,xuanyuanking/spark,huang1900/spark,haowu80s/spark,techaddict/spark,skonto/spark,mike0sv/spark,sachintyagi22/spark,brad-kaiser/spark,ericvandenbergfb/spark,loneknightpy/spark,ddna1021/spark,zzcclp/spark,skonto/spark,wangmiao1981/spark,sahilTakiar/spark,minixalpha/spark,xuanyuanking/spark,adrian-ionescu/apache-spark,joseph-torres/spark,SHASHANKB/spark,Panos-Bletsos/spark-cost-model-optimizer,kimoonkim/spark,ConeyLiu/spark,gioenn/xSpark,gioenn/xSpark,kiszk/spark,mahak/spark,sachintyagi22/spark,zhouyejoe/spark,jiangxb1987/spark,facaiy/spark,map222/spark,ibm-research-ireland/sparkoscope,Aegeaner/spark,JerryLead/spark,mdespriee/spark,metamx/spark,icexelloss/spark,bOOm-X/spark,kissmetrics/spark,lxsmnv/spark,kimoonkim/spark,someorz/spark,sureshthalamati/spark,aokolnychyi/spark,WeichenXu123/spark,zero323/spark,esi-mineset/spark,kissmetrics/spark,rikima/spark,nchammas/spark,dhruve/spark,Panos-Bletsos/spark-cost-model-optimizer,highfei2011/spark,bOOm-X/spark,setjet/spark,sachintyagi22/spark,Aegeaner/spark,someorz/spark,panfengfeng/spark,ueshin/apache-spark,debugger87/spark,Panos-Bletsos/spark-cost-model-optimizer,ahnqirage/spark,liutang123/spark,1haodian/spark,ron8hu/spark,srowen/spark,setjet/spark,akopich/spark,SnappyDataInc/spark,kissmetrics/spark,michalsenkyr/spark,LantaoJin/spark,icexelloss/spark,big-pegasus/spark,jiangxb1987/spark,tengpeng/spark,aray/spark,actuaryzhang/spark,Aegeaner/spark,metamx/spark,panfengfeng/spark,saltstar/spark,cloud-fan/spark,loneknightpy/spark,dhruve/spark,kimoonkim/spark,jkbradley/spark,rezasafi/spark,lxsmnv/spark,apache/spark,ptkool/spark,cloud-fan/spark,zhouyejoe/spark,debugger87/spark,vinodkc/spark,huang1900/spark,WeichenXu123/spark,ddna1021/spark,hvanhovell/spark,adrian-ionescu/apache-spark,zuotingbing/spark,ueshin/apache-spark,loneknightpy/spark,eyalfa/spark,ConeyLiu/spark,loneknightpy/spark,ahnqirage/spark,jianran/spark,wangmiao1981/spark,tejasapatil/spark,vinodkc/spark,joseph-torres/spark,aosagie/spark,aosagie/spark,lvdongr/spark,byakuinss/spark,poffuomo/spark,sryza/spark,pronix/spark,actuaryzhang/spark,liutang123/spark,bOOm-X/spark,esi-mineset/spark,actuaryzhang/spark,BryanCutler/spark,publicRoman/spark,goldmedal/spark,wangmiao1981/spark,lxsmnv/spark,Panos-Bletsos/spark-cost-model-optimizer,ajaysaini725/spark,SnappyDataInc/spark,JoshRosen/spark,1haodian/spark,ptkool/spark,tengpeng/spark,HyukjinKwon/spark,liutang123/spark,ptkool/spark,Aegeaner/spark,wangyum/spark,spark-test/spark,alunarbeach/spark,bdrillard/spark,gioenn/xSpark,guoxiaolongzte/spark,aray/spark,skonto/spark,maropu/spark,bravo-zhang/spark,metamx/spark,darionyaphet/spark,1haodian/spark,aosagie/spark,dotunolafunmiloye/spark,chuckchen/spark,milliman/spark,pgandhi999/spark,wzhfy/spark,poffuomo/spark,alunarbeach/spark,ericvandenbergfb/spark,yanboliang/spark,kevinyu98/spark,liyichao/spark,pronix/spark,tejasapatil/spark,ajaysaini725/spark,brad-kaiser/spark,nlalevee/spark,liyichao/spark,hhbyyh/spark,ron8hu/spark,jrshust/spark,xflin/spark,goldmedal/spark,alunarbeach/spark,BryanCutler/spark,shaneknapp/spark,debugger87/spark,cloudera/spark,lxsmnv/spark,eyalfa/spark,shaneknapp/spark,mdespriee/spark,UndeadBaneGitHub/spark,rikima/spark,hhbyyh/spark,jkbradley/spark,sryza/spark,guoxiaolongzte/spark,setjet/spark,1haodian/spark,sachintyagi22/spark,chuckchen/spark,mdespriee/spark,WindCanDie/spark,mike0sv/spark,SHASHANKB/spark,cloud-fan/spark,huang1900/spark,nilsgrabbert/spark,rekhajoshm/spark,zzcclp/spark,sureshthalamati/spark,kiszk/spark,andrewor14/iolap,stanzhai/spark,patrick-nicholson/spark,bOOm-X/spark,joseph-torres/spark,ddna1021/spark,rezasafi/spark,apache/spark,zuotingbing/spark,techaddict/spark,setjet/spark,jianran/spark,nchammas/spark,ajaysaini725/spark,dotunolafunmiloye/spark,kimoonkim/spark,big-pegasus/spark,kevinyu98/spark,icexelloss/spark,alunarbeach/spark,dbtsai/spark,aosagie/spark,ddna1021/spark,tengpeng/spark,poffuomo/spark,ibm-research-ireland/sparkoscope,someorz/spark,aray/spark,hvanhovell/spark,holdenk/spark,pgandhi999/spark,rikima/spark,JerryLead/spark,janewangfb/spark,ptkool/spark,hhbyyh/spark,kissmetrics/spark,esi-mineset/spark,byakuinss/spark,techaddict/spark,maropu/spark,rednaxelafx/apache-spark,zzcclp/spark,MLnick/spark,hhbyyh/spark,zuotingbing/spark,dotunolafunmiloye/spark,ibm-research-ireland/sparkoscope,holdenk/spark,aray/spark,HyukjinKwon/spark,zhouyejoe/spark,janewangfb/spark,ericvandenbergfb/spark,publicRoman/spark,brad-kaiser/spark,apache-spark-on-k8s/spark,metamx/spark,highfei2011/spark,andrewor14/iolap,wzhfy/spark,actuaryzhang/spark,szhem/spark,srowen/spark,michalsenkyr/spark,patrick-nicholson/spark,kissmetrics/spark,xflin/spark,HyukjinKwon/spark,ueshin/apache-spark,goldmedal/spark,witgo/spark,wzhfy/spark,cloud-fan/spark,SnappyDataInc/spark,skonto/spark,bravo-zhang/spark,janewangfb/spark,gengliangwang/spark,highfei2011/spark,minixalpha/spark,adrian-ionescu/apache-spark,dbtsai/spark,tejasapatil/spark,minixalpha/spark,vinodkc/spark,saturday-shi/spark,jlopezmalla/spark,huang1900/spark,szhem/spark,maropu/spark,rezasafi/spark,pgandhi999/spark,MLnick/spark,lvdongr/spark,techaddict/spark,hhbyyh/spark,actuaryzhang/spark,rednaxelafx/apache-spark,hvanhovell/spark,hvanhovell/spark,szhem/spark,ericvandenbergfb/spark,aray/spark,saltstar/spark,someorz/spark,michalsenkyr/spark,patrick-nicholson/spark,publicRoman/spark,bOOm-X/spark,jianran/spark,Aegeaner/spark,jlopezmalla/spark,andrewor14/iolap,andrewor14/spark,skonto/spark,mdespriee/spark,sureshthalamati/spark,kiszk/spark,andrewor14/spark,SHASHANKB/spark,HyukjinKwon/spark,tengpeng/spark,bravo-zhang/spark,ddna1021/spark,jkbradley/spark,gengliangwang/spark,liutang123/spark,jlopezmalla/spark,BryanCutler/spark,stanzhai/spark,ajaysaini725/spark,spark-test/spark,ron8hu/spark,stanzhai/spark,spark-test/spark,1haodian/spark,rikima/spark,milliman/spark,rekhajoshm/spark,rikima/spark,stanzhai/spark