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r:input_output [2018/11/16 08:18] – [Fixed-Width Records] hkimscilr:input_output [2019/09/20 10:29] – [Reading from CSV Files] hkimscil
Line 69: Line 69:
 Yates     Frank     1902 1994 Yates     Frank     1902 1994
 Smith     Kirstine  1878 1939 Smith     Kirstine  1878 1939
 +
 </code> </code>
  
-<code>> records <- read.fwf("fixed-width.txt", widths=c(10,10,4,-1,4))+<code>> records <- read.fwf("http://commres.net/wiki/_export/code/r/input_output?codeblock=11", widths=c(10,10,4,-1,4))
 </code> </code>
  
Line 84: Line 85:
 5 Smith      Kirstine   1878 1939 5 Smith      Kirstine   1878 1939
 </code> </code>
 +Funky variable names (V1, V2, . . .). Use the below method with "col.names=c()" option.
  
-<code>> records <- read.fwf("fixed-width.txt", widths=c(10,10,4,-1,4),+<code>> records <- read.fwf("http://commres.net/wiki/_export/code/r/input_output?codeblock=11", widths=c(10,10,4,-1,4),
 +                     col.names=c("Last","First","Born","Died")) +                     col.names=c("Last","First","Born","Died"))
 > records > records
Line 163: Line 165:
 </code> </code>
  
-<code>> tbl <- read.csv("filename")</code>+<code>> tbl <- read.csv("filename") 
 +> tbl <- read.csv("http://commres.net/wiki/_export/code/r/input_output?codeblock=24"
 +> tbl</code>
  
-<code>> tbl <- read.csv("filename", header=FALSE)</code>+<code>> tbl <- read.csv("http://commres.net/wiki/_export/code/r/input_output?codeblock=24", header=FALSE) 
 +> tbl</code> 
 + 
 +<code>> tbl <- read.csv("http://commres.net/wiki/_export/code/r/input_output?codeblock=24", header=FALSE, sep="\t"
 +> tbl</code>
  
 <code>> str(tbl) <code>> str(tbl)
Line 223: Line 231:
 > url <- 'http://en.wikipedia.org/wiki/World_population' > url <- 'http://en.wikipedia.org/wiki/World_population'
 > tbls <- readHTMLTable(url) > tbls <- readHTMLTable(url)
 +</code>
 +
 +The above not working for me. :(
 +
 +<code>library(httr)
 +url <- 'http://en.wikipedia.org/wiki/World_population'
 +tables <- GET(url)
 +tables <- readHTMLTable(rawToChar(tables$content))
 </code> </code>
  
r/input_output.txt · Last modified: 2019/09/20 10:32 by hkimscil

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