add PennTreeBank Language Model using lstm model in R (#2659)
add PennTreeBank Language Model using lstm model in R (#2659)


saurabh3949/mxnet,ZihengJiang/mxnet,jamesliu/mxnet,crazy-cat/incubator-mxnet,coder-james/mxnet,apache/incubator-mxnet,eric-haibin-lin/mxnet,tornadomeet/mxnet,gautamkmr/incubator-mxnet,likelyzhao/mxnet,danithaca/mxnet,eric-haibin-lin/mxnet,jamesliu/mxnet,hesseltuinhof/mxnet,navrasio/mxnet,navrasio/mxnet,ykim362/mxnet,pluskid/mxnet,ykim362/mxnet,nicklhy/mxnet,sxjscience/mxnet,jiajiechen/mxnet,apaleyes/mxnet,apaleyes/mxnet,kkk669/mxnet,Mega-DatA-Lab/mxnet,Ldpe2G/mxnet,TuSimple/mxnet,vikingMei/mxnet,indhub/mxnet,mbaijal/incubator-mxnet,arikpoz/mxnet,leezu/mxnet,tlby/mxnet,ForkedReposBak/mxnet,tornadomeet/mxnet,ptrendx/mxnet,jermainewang/mxnet,thirdwing/mxnet,ptrendx/mxnet,mbaijal/incubator-mxnet,yajiedesign/mxnet,precedenceguo/mxnet,hpi-xnor/BMXNet,lxn2/mxnet,ptrendx/mxnet,formath/mxnet,yuruofeifei/mxnet,fullfanta/mxnet,navrasio/mxnet,gautamkmr/incubator-mxnet,reminisce/mxnet,Prasad9/incubator-mxnet,reminisce/mxnet,ShownX/incubator-mxnet,vikingMei/mxnet,navrasio/mxnet,arikpoz/mxnet,saurabh3949/mxnet,jermainewang/mxnet,dmlc/mxnet,Guneet-Dhillon/mxnet,EvanzzzZ/mxnet,rahul003/mxnet,kevinthesun/mxnet,stefanhenneking/mxnet,wangyum/mxnet,nicklhy/mxnet,Northrend/mxnet,piiswrong/mxnet,ForkedReposBak/mxnet,likelyzhao/mxnet,zhreshold/mxnet,stefanhenneking/mxnet,precedenceguo/mxnet,danithaca/mxnet,ZihengJiang/mxnet,gautamkmr/incubator-mxnet,luoyetx/mxnet,gautamkmr/incubator-mxnet,ForkedReposBak/mxnet,apaleyes/mxnet,Ldpe2G/mxnet,ZihengJiang/mxnet,xcgoner/dist-mxnet,EvanzzzZ/mxnet,wangyum/mxnet,dmlc/mxnet,yajiedesign/mxnet,TuSimple/mxnet,smolix/incubator-mxnet,leezu/mxnet,hesseltuinhof/mxnet,formath/mxnet,kkk669/mxnet,crazy-cat/incubator-mxnet,zhreshold/mxnet,jamesliu/mxnet,kkk669/mxnet,solin319/incubator-mxnet,gautamkmr/incubator-mxnet,kevinthesun/mxnet,Mega-DatA-Lab/mxnet,likelyzhao/mxnet,smolix/incubator-mxnet,jamesliu/mxnet,yajiedesign/mxnet,formath/mxnet,sergeykolychev/mxnet,gautamkmr/incubator-mxnet,piiswrong/mxnet,vikingMei/mxnet,pluskid/mxnet,navrasio/mxnet,kevinthesun/mxnet,tornadomeet/mxnet,ShownX/incubator-mxnet,apaleyes/mxnet,rishita/mxnet,vikingMei/mxnet,TuSimple/mxnet,LinkHS/incubator-mxnet,lxn2/mxnet,jiajiechen/mxnet,kkk669/mxnet,hpi-xnor/BMXNet,Northrend/mxnet,antoan2/incubator-mxnet,dmlc/mxnet,yajiedesign/mxnet,indhub/mxnet,hpi-xnor/BMXNet,eric-haibin-lin/mxnet,crazy-cat/incubator-mxnet,yuruofeifei/mxnet,ZihengJiang/mxnet,indhub/mxnet,apache/incubator-mxnet,indhub/mxnet,jiajiechen/mxnet,CodingCat/mxnet,arikpoz/mxnet,rishita/mxnet,gautamkmr/incubator-mxnet,mbaijal/incubator-mxnet,Mega-DatA-Lab/mxnet,saurabh3949/mxnet,reminisce/mxnet,DR08/mxnet,larroy/mxnet,Northrend/mxnet,jennyzhang0215/incubator-mxnet,jennyzhang0215/incubator-mxnet,solin319/incubator-mxnet,saurabh3949/mxnet,jennyzhang0215/incubator-mxnet,reminisce/mxnet,jiajiechen/mxnet,szha/mxnet,antoan2/incubator-mxnet,jennyzhang0215/incubator-mxnet,rishita/mxnet,formath/mxnet,CodingCat/mxnet,saurabh3949/mxnet,luoyetx/mxnet,arikpoz/mxnet,szha/mxnet,piiswrong/mxnet,jiajiechen/mxnet,luoyetx/mxnet,ZihengJiang/mxnet,gautamkmr/incubator-mxnet,jennyzhang0215/incubator-mxnet,ForkedReposBak/mxnet,luoyetx/mxnet,kkk669/mxnet,tornadomeet/mxnet,rishita/mxnet,mbaijal/incubator-mxnet,xcgoner/dist-mxnet,rishita/mxnet,hotpxl/mxnet,sergeykolychev/mxnet,jamesliu/mxnet,sxjscience/mxnet,tlby/mxnet,danithaca/mxnet,coder-james/mxnet,Prasad9/incubator-mxnet,mbaijal/incubator-mxnet,EvanzzzZ/mxnet,xcgoner/dist-mxnet,Guneet-Dhillon/mxnet,coder-james/mxnet,rahul003/mxnet,CodingCat/mxnet,thirdwing/mxnet,EvanzzzZ/mxnet,pluskid/mxnet,weleen/mxnet,coder-james/mxnet,EvanzzzZ/mxnet,rahul003/mxnet,fullfanta/mxnet,antoan2/incubator-mxnet,szha/mxnet,jiajiechen/mxnet,sergeykolychev/mxnet,szha/mxnet,indhub/mxnet,luoyetx/mxnet,Mega-DatA-Lab/mxnet,danithaca/mxnet,arank/mxnet,madjam/mxnet,sergeykolychev/mxnet,indhub/mxnet,formath/mxnet,weleen/mxnet,larroy/mxnet,danithaca/mxnet,larroy/mxnet,solin319/incubator-mxnet,nicklhy/mxnet,ykim362/mxnet,vikingMei/mxnet,sergeykolychev/mxnet,kevinthesun/mxnet,formath/mxnet,Guneet-Dhillon/mxnet,coder-james/mxnet,jennyzhang0215/incubator-mxnet,lxn2/mxnet,apaleyes/mxnet,stefanhenneking/mxnet,pluskid/mxnet,crazy-cat/incubator-mxnet,arikpoz/mxnet,kevinthesun/mxnet,stefanhenneking/mxnet,tlby/mxnet,fullfanta/mxnet,reminisce/mxnet,thirdwing/mxnet,arank/mxnet,yuruofeifei/mxnet,yuruofeifei/mxnet,saurabh3949/mxnet,Ldpe2G/mxnet,ShownX/incubator-mxnet,LinkHS/incubator-mxnet,sxjscience/mxnet,arank/mxnet,pluskid/mxnet,stefanhenneking/mxnet,larroy/mxnet,ykim362/mxnet,ykim362/mxnet,lxn2/mxnet,pluskid/mxnet,ZihengJiang/mxnet,hotpxl/mxnet,EvanzzzZ/mxnet,ForkedReposBak/mxnet,kevinthesun/mxnet,ykim362/mxnet,TuSimple/mxnet,jamesliu/mxnet,crazy-cat/incubator-mxnet,leezu/mxnet,LinkHS/incubator-mxnet,apache/incubator-mxnet,luoyetx/mxnet,EvanzzzZ/mxnet,hesseltuinhof/mxnet,Prasad9/incubator-mxnet,ZihengJiang/mxnet,smolix/incubator-mxnet,thirdwing/mxnet,CodingCat/mxnet,ForkedReposBak/mxnet,hpi-xnor/BMXNet,piiswrong/mxnet,Prasad9/incubator-mxnet,jamesliu/mxnet,nicklhy/mxnet,madjam/mxnet,Northrend/mxnet,solin319/incubator-mxnet,zhreshold/mxnet,arank/mxnet,likelyzhao/mxnet,sxjscience/mxnet,vikingMei/mxnet,DickJC123/mxnet,CodingCat/mxnet,leezu/mxnet,indhub/mxnet,reminisce/mxnet,navrasio/mxnet,LinkHS/incubator-mxnet,leezu/mxnet,szha/mxnet,weleen/mxnet,Ldpe2G/mxnet,zhreshold/mxnet,yajiedesign/mxnet,apaleyes/mxnet,zhreshold/mxnet,DickJC123/mxnet,rahul003/mxnet,luoyetx/mxnet,Guneet-Dhillon/mxnet,ptrendx/mxnet,DickJC123/mxnet,kevinthesun/mxnet,rahul003/mxnet,danithaca/mxnet,hotpxl/mxnet,jiajiechen/mxnet,ForkedReposBak/mxnet,precedenceguo/mxnet,formath/mxnet,fullfanta/mxnet,apaleyes/mxnet,Mega-DatA-Lab/mxnet,weleen/mxnet,tlby/mxnet,eric-haibin-lin/mxnet,LinkHS/incubator-mxnet,tornadomeet/mxnet,hotpxl/mxnet,zhreshold/mxnet,thirdwing/mxnet,ykim362/mxnet,Guneet-Dhillon/mxnet,fullfanta/mxnet,likelyzhao/mxnet,madjam/mxnet,kkk669/mxnet,solin319/incubator-mxnet,piiswrong/mxnet,madjam/mxnet,solin319/incubator-mxnet,Guneet-Dhillon/mxnet,precedenceguo/mxnet,arank/mxnet,Northrend/mxnet,precedenceguo/mxnet,crazy-cat/incubator-mxnet,reminisce/mxnet,hesseltuinhof/mxnet,tornadomeet/mxnet,navrasio/mxnet,zhreshold/mxnet,Mega-DatA-Lab/mxnet,lxn2/mxnet,formath/mxnet,hpi-xnor/BMXNet,saurabh3949/mxnet,ForkedReposBak/mxnet,wangyum/mxnet,szha/mxnet,smolix/incubator-mxnet,jamesliu/mxnet,arank/mxnet,solin319/incubator-mxnet,thirdwing/mxnet,yuruofeifei/mxnet,larroy/mxnet,ShownX/incubator-mxnet,thirdwing/mxnet,likelyzhao/mxnet,kkk669/mxnet,rahul003/mxnet,hpi-xnor/BMXNet,ForkedReposBak/mxnet,dmlc/mxnet,yajiedesign/mxnet,Ldpe2G/mxnet,leezu/mxnet,CodingCat/mxnet,madjam/mxnet,ShownX/incubator-mxnet,Northrend/mxnet,antoan2/incubator-mxnet,nicklhy/mxnet,lxn2/mxnet,DR08/mxnet,ykim362/mxnet,fullfanta/mxnet,Guneet-Dhillon/mxnet,sxjscience/mxnet,tlby/mxnet,tlby/mxnet,stefanhenneking/mxnet,vikingMei/mxnet,tlby/mxnet,jermainewang/mxnet,ykim362/mxnet,CodingCat/mxnet,ptrendx/mxnet,LinkHS/incubator-mxnet,reminisce/mxnet,TuSimple/mxnet,apache/incubator-mxnet,rahul003/mxnet,antoan2/incubator-mxnet,zhreshold/mxnet,arank/mxnet,arikpoz/mxnet,Prasad9/incubator-mxnet,arank/mxnet,dmlc/mxnet,Prasad9/incubator-mxnet,madjam/mxnet,Ldpe2G/mxnet,sxjscience/mxnet,ZihengJiang/mxnet,szha/mxnet,hesseltuinhof/mxnet,wangyum/mxnet,nicklhy/mxnet,wangyum/mxnet,dmlc/mxnet,apaleyes/mxnet,hpi-xnor/BMXNet,pluskid/mxnet,jermainewang/mxnet,sxjscience/mxnet,sergeykolychev/mxnet,solin319/incubator-mxnet,Mega-DatA-Lab/mxnet,eric-haibin-lin/mxnet,tornadomeet/mxnet,CodingCat/mxnet,pluskid/mxnet,antoan2/incubator-mxnet,rishita/mxnet,tlby/mxnet,hpi-xnor/BMXNet,precedenceguo/mxnet,madjam/mxnet,leezu/mxnet,kevinthesun/mxnet,piiswrong/mxnet,yuruofeifei/mxnet,weleen/mxnet,smolix/incubator-mxnet,precedenceguo/mxnet,lxn2/mxnet,coder-james/mxnet,hotpxl/mxnet,sxjscience/mxnet,Ldpe2G/mxnet,tornadomeet/mxnet,antoan2/incubator-mxnet,ptrendx/mxnet,coder-james/mxnet,stefanhenneking/mxnet,Prasad9/incubator-mxnet,ptrendx/mxnet,fullfanta/mxnet,wangyum/mxnet,TuSimple/mxnet,hesseltuinhof/mxnet,TuSimple/mxnet,ptrendx/mxnet,piiswrong/mxnet,arikpoz/mxnet,DR08/mxnet,ZihengJiang/mxnet,tlby/mxnet,weleen/mxnet,jennyzhang0215/incubator-mxnet,Prasad9/incubator-mxnet,smolix/incubator-mxnet,DickJC123/mxnet,arikpoz/mxnet,likelyzhao/mxnet,likelyzhao/mxnet,sergeykolychev/mxnet,Guneet-Dhillon/mxnet,Prasad9/incubator-mxnet,fullfanta/mxnet,danithaca/mxnet,jennyzhang0215/incubator-mxnet,mbaijal/incubator-mxnet,pluskid/mxnet,wangyum/mxnet,jermainewang/mxnet,indhub/mxnet,DR08/mxnet,CodingCat/mxnet,danithaca/mxnet,rishita/mxnet,zhreshold/mxnet,wangyum/mxnet,TuSimple/mxnet,eric-haibin-lin/mxnet,larroy/mxnet,yajiedesign/mxnet,precedenceguo/mxnet,danithaca/mxnet,yajiedesign/mxnet,DR08/mxnet,xcgoner/dist-mxnet,Northrend/mxnet,likelyzhao/mxnet,ShownX/incubator-mxnet,nicklhy/mxnet,coder-james/mxnet,DR08/mxnet,jennyzhang0215/incubator-mxnet,formath/mxnet,Ldpe2G/mxnet,arank/mxnet,fullfanta/mxnet,luoyetx/mxnet,antoan2/incubator-mxnet,reminisce/mxnet,tornadomeet/mxnet,jermainewang/mxnet,lxn2/mxnet,larroy/mxnet,LinkHS/incubator-mxnet,navrasio/mxnet,crazy-cat/incubator-mxnet,smolix/incubator-mxnet,Mega-DatA-Lab/mxnet,smolix/incubator-mxnet,eric-haibin-lin/mxnet,antoan2/incubator-mxnet,yuruofeifei/mxnet,leezu/mxnet,rishita/mxnet,hesseltuinhof/mxnet,dmlc/mxnet,sergeykolychev/mxnet,coder-james/mxnet,EvanzzzZ/mxnet,weleen/mxnet,luoyetx/mxnet,hotpxl/mxnet,Guneet-Dhillon/mxnet,arikpoz/mxnet,rishita/mxnet,hotpxl/mxnet,kkk669/mxnet,DR08/mxnet,szha/mxnet,hesseltuinhof/mxnet,hesseltuinhof/mxnet,larroy/mxnet,smolix/incubator-mxnet,crazy-cat/incubator-mxnet,mbaijal/incubator-mxnet,EvanzzzZ/mxnet,rahul003/mxnet,jiajiechen/mxnet,TuSimple/mxnet,DR08/mxnet,rahul003/mxnet,mbaijal/incubator-mxnet,leezu/mxnet,crazy-cat/incubator-mxnet,sergeykolychev/mxnet,thirdwing/mxnet,piiswrong/mxnet,ptrendx/mxnet,solin319/incubator-mxnet,stefanhenneking/mxnet,jiajiechen/mxnet,hotpxl/mxnet,szha/mxnet,lxn2/mxnet,vikingMei/mxnet,weleen/mxnet,weleen/mxnet,DR08/mxnet,xcgoner/dist-mxnet,Northrend/mxnet,xcgoner/dist-mxnet,kkk669/mxnet,nicklhy/mxnet,madjam/mxnet,kevinthesun/mxnet,larroy/mxnet,tlby/mxnet,navrasio/mxnet,saurabh3949/mxnet,Mega-DatA-Lab/mxnet,TuSimple/mxnet,piiswrong/mxnet,eric-haibin-lin/mxnet,jermainewang/mxnet,vikingMei/mxnet,jamesliu/mxnet,ptrendx/mxnet,xcgoner/dist-mxnet,precedenceguo/mxnet,xcgoner/dist-mxnet,hotpxl/mxnet,stefanhenneking/mxnet,Northrend/mxnet,saurabh3949/mxnet,Ldpe2G/mxnet,xcgoner/dist-mxnet,ShownX/incubator-mxnet,yajiedesign/mxnet,jermainewang/mxnet,dmlc/mxnet,ShownX/incubator-mxnet,nicklhy/mxnet,ShownX/incubator-mxnet,wangyum/mxnet,LinkHS/incubator-mxnet,gautamkmr/incubator-mxnet,hpi-xnor/BMXNet,yuruofeifei/mxnet,apaleyes/mxnet,reminisce/mxnet,sxjscience/mxnet,jermainewang/mxnet,eric-haibin-lin/mxnet,LinkHS/incubator-mxnet,mbaijal/incubator-mxnet,yuruofeifei/mxnet,dmlc/mxnet,thirdwing/mxnet,madjam/mxnet,indhub/mxnet