小编pmr*_*pmr的帖子

我已经看到很多关于如何使用rmongodb从R使用Mongodb的好问题/答案.最近我遇到了一个名为"Rmongo"的github软件包......现在我也可以在CRAN中看到它.谁能告诉我使用这两个软件包的能力/重点的比较差异是什么？

我们需要自动从纳斯达克网站下载文件.我现有的VBA代码正在打开IE"你想打开/保存"对话窗口.如何点击该保存按钮并通过VBA提供路径？我试图在这个环节中描述的各种Windows API的方法在这里也不过是给"窗口未找到"的结果.

我目前的代码如下:

Sub MyIEauto()

    Dim ieApp As InternetExplorer
    Dim ieDoc As Object
    'Dim ieTable As Object

    'create a new instance of ie
    Set ieApp = New InternetExplorer

    'you don’t need this, but it’s good for debugging
    ieApp.Visible = True
    'assume we’re not logged in and just go directly to the login page
    ieApp.Navigate "https://indexes.nasdaqomx.com/Account/LogOn"
    Do While ieApp.Busy: DoEvents: Loop
    Do Until ieApp.readyState = READYSTATE_COMPLETE: DoEvents: Loop

    Set ieDoc = ieApp.Document
    'fill in the login form – View …

我有一个输入文本文件:

EL.EEX.FRANCE.DELMONTHS.JAN2016.SPOT.VOL      15JAN2016
EL.EEX.GERMANY.DELMONTHS.JAN2016.SPOT.L       15JAN2016 
EL.EEX.GERMANY.DELMONTHS.JAN2016.SPOT.H       15JAN2016
EL.EEX.GERMANY.DELMONTHS.JAN2016.SPOT.S       15JAN2016 
EL.EEX.ITALY.DELMONTHS.JAN2016.FWD            15JAN2016 
EL.EEX.ITALY.DELMONTHS.JAN2016.FWD            15JAN2016

如果样本数据达到dot(.)的最大级别,我们需要唯一类型的1个代表性样本(完整行),没有日期.所以输出将是

EL.EEX.FRANCE.DELMONTHS.JAN2016.SPOT.VOL
EL.EEX.GERMANY.DELMONTHS.JAN2016.SPOT.L
EL.EEX.ITALY.DELMONTHS.JAN2016.FWD

(输出中行的顺序无关紧要.)

下面的程序工作正常但它会生成许多中间临时文件.如果没有壳中我们怎么办？

#input file name and path assumed in current directory
file="./osc.txt"
resultfilepath="./OSCoutput.txt"
tmpfilepath="./OSCtempoutput.txt"
tmp1filepath="./OSCtemp1output.txt"
tmp2filepath="./OSCtemp2output.txt"


rm $resultfilepath
rm $tmpfilepath
#using awk to filter only series data without dates
awk -F' ' '{print $1}' $file >> $tmpfilepath

#getting all the unique dataclass_names at column 1
DATACLASSNAME=(`cut -f 1 -d'.' $tmpfilepath | sort | uniq`)
for i in "${DATACLASSNAME[@]}"; do
rm $tmp1filepath
#we are …