Slideshare: https://www.slideshare.net/secret/gDf3JYJRPWzkf5
Source Code: http://rpubs.com/ywchiu/25570
Plyrmr Code: http://rpubs.com/ywchiu/plyrmr
- sudo yum install R-core
- wget http://download1.rstudio.org/rstudio-0.98.1103-x86_64.rpm
- sudo rpm -ivh rstudio-0.98.1103-x86_64.rpm
- vi ~/.Rprofile
https://www.youtube.com/watch?v=FQr2nVvkLzc
sudo yum install python-pip
sudo pip install requests
==========================
tw2330 = read.csv("~/Downloads/tw2330.csv", head=TRUE)
head(tw2330)
head(tw2330,10)
tail(tw2330,10)
str(tw2330)
tw2330$Date = as.Date(tw2330$Date)
str(tw2330)
tw2330[tw2330$Date >='2014-03-01' & tw2330$Date < '2014-09-01' ,]
tw2330_mar_sep = tw2330[tw2330$Date >='2014-03-01' & tw2330$Date < '2014-09-01' ,]
min(tw2330_mar_sep$Close)
max(tw2330_mar_sep$Close)
mean(tw2330_mar_sep$Close)
hist(tw2330_mar_sep$Close)
hist(tw2330$Close)
boxplot(tw2330$Close)
head(tw2330[order(tw2330$Close, decreasing=TRUE) ,])
tw2330$tf = ifelse(tw2330$Close - tw2330$Open > 0 , TRUE, FALSE)
table(tw2330$tf)
==============================
hbase shell
create 't1','f1'
ERROR: Can't get master address from ZooKeeper; znode data == null
sudo service hbase-master restart
sudo env JAVA_HOME=/usr/java/jdk1.7.0_67-cloudera /usr/lib/hbase/bin/hbase-daemon.sh restart regionserver
sudo service zookeeper-server restart
sudo yum install automake libtool flex bison pkgconfig gcc-c++ boost-devel libevent-devel zlib-devel python-devel ruby-devel
sudo yum install openssl openssl-devel
wget https://archive.apache.org/dist/thrift/0.8.0/thrift-0.8.0.tar.gz
tar -zxvf thrift-0.8.0.tar.gz
cd thrift-0.8.0
./configure
make
sudo make install
sudo updatedb
export PKG_CONFIG_PATH=$PKG_CONFIG_PATH:/usr/local/lib/pkgconfig
pkg-config --cflags thrift
sudo cp /usr/local/lib/libthrift-0.8.0.so /usr/lib64/
wget --no-check-certificate https://github.com/RevolutionAnalytics/rhbase/blob/master/build/rhbase_1.2.1.tar.gz?raw=true
mv rhbase_1.2.1.tar.gz?raw=true rhbase_1.2.1.tar.gz
sudo PKG_CONFIG_PATH=/usr/local/lib/pkgconfig R CMD INSTALL rhbase_1.2.1.tar.gz