[SPARK-23461][R] vignettes should include model predictions for some ML models
[SPARK-23461][R] vignettes should include model predictions for some ML models

## What changes were proposed in this pull request?

Add model predictions for Linear Support Vector Machine (SVM) Classifier, Logistic Regression, GBT, RF and DecisionTree in vignettes.

## How was this patch tested?

Manually ran the test and checked the result.

Author: Huaxin Gao <huaxing@us.ibm.com>

Closes #21678 from huaxingao/spark-23461.

dongjoon-hyun/spark,rednaxelafx/apache-spark,hhbyyh/spark,rekhajoshm/spark,zuotingbing/spark,holdenk/spark,srowen/spark,wangmiao1981/spark,rekhajoshm/spark,caneGuy/spark,sahilTakiar/spark,xuanyuanking/spark,gengliangwang/spark,ptkool/spark,wangyum/spark,kiszk/spark,pgandhi999/spark,yanboliang/spark,nchammas/spark,srowen/spark,HyukjinKwon/spark,HyukjinKwon/spark,LantaoJin/spark,skonto/spark,actuaryzhang/spark,milliman/spark,cloud-fan/spark,srowen/spark,techaddict/spark,BryanCutler/spark,dongjoon-hyun/spark,wangmiao1981/spark,zuotingbing/spark,sahilTakiar/spark,ahnqirage/spark,dbtsai/spark,HyukjinKwon/spark,shuangshuangwang/spark,darionyaphet/spark,rezasafi/spark,michalsenkyr/spark,zuotingbing/spark,pgandhi999/spark,highfei2011/spark,maropu/spark,yanboliang/spark,hvanhovell/spark,taroplus/spark,rekhajoshm/spark,xuanyuanking/spark,facaiy/spark,rikima/spark,hvanhovell/spark,maropu/spark,aosagie/spark,ptkool/spark,jiangxb1987/spark,tejasapatil/spark,LantaoJin/spark,michalsenkyr/spark,nchammas/spark,goldmedal/spark,sahilTakiar/spark,Aegeaner/spark,ptkool/spark,shaneknapp/spark,milliman/spark,kiszk/spark,ahnqirage/spark,zhouyejoe/spark,caneGuy/spark,rezasafi/spark,hhbyyh/spark,highfei2011/spark,milliman/spark,spark-test/spark,techaddict/spark,aosagie/spark,facaiy/spark,mahak/spark,zzcclp/spark,sahilTakiar/spark,icexelloss/spark,hvanhovell/spark,witgo/spark,tengpeng/spark,apache/spark,mdespriee/spark,guoxiaolongzte/spark,goldmedal/spark,jkbradley/spark,milliman/spark,spark-test/spark,goldmedal/spark,michalsenkyr/spark,icexelloss/spark,mahak/spark,taroplus/spark,skonto/spark,yanboliang/spark,skonto/spark,gengliangwang/spark,rezasafi/spark,hvanhovell/spark,WeichenXu123/spark,techaddict/spark,WeichenXu123/spark,WindCanDie/spark,WeichenXu123/spark,tejasapatil/spark,JoshRosen/spark,caneGuy/spark,ptkool/spark,mdespriee/spark,rednaxelafx/apache-spark,kevinyu98/spark,wzhfy/spark,wangyum/spark,zzcclp/spark,chuckchen/spark,highfei2011/spark,JoshRosen/spark,caneGuy/spark,shuangshuangwang/spark,wangyum/spark,zero323/spark,BryanCutler/spark,chuckchen/spark,maropu/spark,yanboliang/spark,jiangxb1987/spark,facaiy/spark,techaddict/spark,zuotingbing/spark,bdrillard/spark,LantaoJin/spark,WeichenXu123/spark,srowen/spark,sahilTakiar/spark,chuckchen/spark,dbtsai/spark,facaiy/spark,jiangxb1987/spark,HyukjinKwon/spark,bdrillard/spark,bdrillard/spark,techaddict/spark,chuckchen/spark,actuaryzhang/spark,hvanhovell/spark,pgandhi999/spark,skonto/spark,wangmiao1981/spark,spark-test/spark,xuanyuanking/spark,kevinyu98/spark,chuckchen/spark,icexelloss/spark,ConeyLiu/spark,milliman/spark,apache/spark,spark-test/spark,mdespriee/spark,apache/spark,cloud-fan/spark,ahnqirage/spark,bdrillard/spark,actuaryzhang/spark,facaiy/spark,guoxiaolongzte/spark,rednaxelafx/apache-spark,caneGuy/spark,eyalfa/spark,zero323/spark,rikima/spark,taroplus/spark,wangyum/spark,michalsenkyr/spark,Aegeaner/spark,aosagie/spark,lvdongr/spark,taroplus/spark,WeichenXu123/spark,zero323/spark,mahak/spark,actuaryzhang/spark,rednaxelafx/apache-spark,srowen/spark,wangmiao1981/spark,gengliangwang/spark,WindCanDie/spark,actuaryzhang/spark,skonto/spark,taroplus/spark,holdenk/spark,mahak/spark,guoxiaolongzte/spark,zuotingbing/spark,HyukjinKwon/spark,jiangxb1987/spark,dongjoon-hyun/spark,JoshRosen/spark,srowen/spark,ahnqirage/spark,yanboliang/spark,shuangshuangwang/spark,dbtsai/spark,WindCanDie/spark,ahnqirage/spark,icexelloss/spark,techaddict/spark,shaneknapp/spark,icexelloss/spark,guoxiaolongzte/spark,jkbradley/spark,zzcclp/spark,ConeyLiu/spark,vinodkc/spark,cloud-fan/spark,highfei2011/spark,rekhajoshm/spark,highfei2011/spark,rikima/spark,michalsenkyr/spark,eyalfa/spark,wzhfy/spark,mahak/spark,vinodkc/spark,wangmiao1981/spark,pgandhi999/spark,goldmedal/spark,WindCanDie/spark,shaneknapp/spark,lvdongr/spark,mdespriee/spark,dbtsai/spark,kiszk/spark,eyalfa/spark,BryanCutler/spark,tejasapatil/spark,JoshRosen/spark,maropu/spark,michalsenkyr/spark,zzcclp/spark,JoshRosen/spark,tejasapatil/spark,guoxiaolongzte/spark,sahilTakiar/spark,wzhfy/spark,shuangshuangwang/spark,lvdongr/spark,wzhfy/spark,LantaoJin/spark,aosagie/spark,jiangxb1987/spark,WindCanDie/spark,lvdongr/spark,BryanCutler/spark,tengpeng/spark,BryanCutler/spark,bdrillard/spark,skonto/spark,LantaoJin/spark,taroplus/spark,rekhajoshm/spark,xuanyuanking/spark,kevinyu98/spark,ueshin/apache-spark,rikima/spark,tengpeng/spark,LantaoJin/spark,darionyaphet/spark,kevinyu98/spark,ptkool/spark,tejasapatil/spark,rezasafi/spark,cloud-fan/spark,techaddict/spark,actuaryzhang/spark,witgo/spark,chuckchen/spark,tengpeng/spark,spark-test/spark,rednaxelafx/apache-spark,highfei2011/spark,mahak/spark,nchammas/spark,zero323/spark,witgo/spark,rezasafi/spark,holdenk/spark,mahak/spark,maropu/spark,LantaoJin/spark,rekhajoshm/spark,darionyaphet/spark,xuanyuanking/spark,shaneknapp/spark,vinodkc/spark,zhouyejoe/spark,yanboliang/spark,BryanCutler/spark,ConeyLiu/spark,eyalfa/spark,gengliangwang/spark,Aegeaner/spark,zzcclp/spark,zuotingbing/spark,zhouyejoe/spark,icexelloss/spark,aosagie/spark,WindCanDie/spark,cloud-fan/spark,jkbradley/spark,hhbyyh/spark,taroplus/spark,ueshin/apache-spark,nchammas/spark,goldmedal/spark,gengliangwang/spark,cloud-fan/spark,rikima/spark,highfei2011/spark,zero323/spark,holdenk/spark,nchammas/spark,ConeyLiu/spark,icexelloss/spark,shuangshuangwang/spark,tejasapatil/spark,michalsenkyr/spark,mdespriee/spark,rezasafi/spark,Aegeaner/spark,zhouyejoe/spark,ueshin/apache-spark,lvdongr/spark,hvanhovell/spark,zhouyejoe/spark,gengliangwang/spark,apache/spark,jkbradley/spark,wangyum/spark,zzcclp/spark,ueshin/apache-spark,ConeyLiu/spark,tengpeng/spark,zero323/spark,kiszk/spark,dongjoon-hyun/spark,kevinyu98/spark,bdrillard/spark,aosagie/spark,hhbyyh/spark,shuangshuangwang/spark,wangmiao1981/spark,witgo/spark,WindCanDie/spark,kiszk/spark,Aegeaner/spark,Aegeaner/spark,ueshin/apache-spark,zhouyejoe/spark,yanboliang/spark,caneGuy/spark,WeichenXu123/spark,witgo/spark,rednaxelafx/apache-spark,shaneknapp/spark,maropu/spark,wangyum/spark,guoxiaolongzte/spark,HyukjinKwon/spark,zero323/spark,wangyum/spark,lvdongr/spark,dbtsai/spark,kevinyu98/spark,dongjoon-hyun/spark,dongjoon-hyun/spark,witgo/spark,rekhajoshm/spark,skonto/spark,jiangxb1987/spark,kiszk/spark,facaiy/spark,darionyaphet/spark,wangmiao1981/spark,ueshin/apache-spark,JoshRosen/spark,vinodkc/spark,facaiy/spark,tengpeng/spark,bdrillard/spark,jiangxb1987/spark,ueshin/apache-spark,milliman/spark,hvanhovell/spark,actuaryzhang/spark,shaneknapp/spark,sahilTakiar/spark,jkbradley/spark,BryanCutler/spark,matthewfranglen/spark,rikima/spark,ptkool/spark,pgandhi999/spark,nchammas/spark,ahnqirage/spark,tejasapatil/spark,jkbradley/spark,aosagie/spark,apache/spark,hhbyyh/spark,gengliangwang/spark,ptkool/spark,shuangshuangwang/spark,mdespriee/spark,JoshRosen/spark,shaneknapp/spark,maropu/spark,goldmedal/spark,hhbyyh/spark,pgandhi999/spark,nchammas/spark,rezasafi/spark,cloud-fan/spark,xuanyuanking/spark,WeichenXu123/spark,lvdongr/spark,darionyaphet/spark,vinodkc/spark,darionyaphet/spark,mdespriee/spark,Aegeaner/spark,holdenk/spark,xuanyuanking/spark,darionyaphet/spark,witgo/spark,kevinyu98/spark,rikima/spark,eyalfa/spark,wzhfy/spark,holdenk/spark,spark-test/spark,rednaxelafx/apache-spark,dongjoon-hyun/spark,ahnqirage/spark,vinodkc/spark,dbtsai/spark,ConeyLiu/spark,chuckchen/spark,dbtsai/spark,zuotingbing/spark,jkbradley/spark,vinodkc/spark,eyalfa/spark,apache/spark,goldmedal/spark,caneGuy/spark,holdenk/spark,hhbyyh/spark,srowen/spark,kiszk/spark,HyukjinKwon/spark,pgandhi999/spark,spark-test/spark,wzhfy/spark,tengpeng/spark,eyalfa/spark,wzhfy/spark,ConeyLiu/spark,zhouyejoe/spark,zzcclp/spark,guoxiaolongzte/spark,milliman/spark,apache/spark