Question

我需要将表格Person.Person（在XML中）中的属性Demographics从SQL Server数据库AdventureWorks2014导出到R中进行一些统计分析。我想使用XML包，但看起来R在导出时并不能将我的文件识别为XML。

有人知道如何使用某些软件包直接从SQL转到R吗？没有将数据导出到CSV之前？

我在SQL中的一个元组看起来像这样：

<IndividualSurvey xmlns="http://schemas.microsoft.com/sqlserver/2004/07/adventure-works/IndividualSurvey">
    <TotalPurchaseYTD>-31</TotalPurchaseYTD>
    <DateFirstPurchase>2003-11-01Z</DateFirstPurchase>
    <BirthDate>1962-07-26Z</BirthDate>
    <MaritalStatus>S</MaritalStatus>
    <YearlyIncome>0-25000</YearlyIncome>
    <Gender>M</Gender>
    <TotalChildren>1</TotalChildren>
    <NumberChildrenAtHome>0</NumberChildrenAtHome>
    <Education>Graduate Degree</Education>
    <Occupation>Manual</Occupation>
    <HomeOwnerFlag>0</HomeOwnerFlag>
    <NumberCarsOwned>0</NumberCarsOwned>
    <CommuteDistance>0-1 Miles</CommuteDistance>
</IndividualSurvey>

我想在R中有不同的属性：

TotalPurchaseYTD  DateFirstPurchase  BirthDate   MaritalStatus  YearlyIncome...
-31                  2003-11-01    1962-07-26      S            0-25000     ....

Answer 1

我们可以使用：

library(xml2)
df <- read_xml(x) %>% as_list %>% sapply(rbind) %>% as.data.frame

df
# TotalPurchaseYTD DateFirstPurchase   BirthDate MaritalStatus YearlyIncome Gender TotalChildren NumberChildrenAtHome Education Occupation HomeOwnerFlag NumberCarsOwned CommuteDistance
# 1              -31       2003-11-01Z 1962-07-26Z             S      0-25000      M             1                    0 1 Graduate Degree     Manual             0               0       0-1 Miles

将XML数据从SQL Server导出到R.

1 个答案: