[R] [R-pkgs] r2rtf: Easily Create Production-Ready Rich Text Format (RTF) Table and Figure

[Yilong Zhang]

Dear all,



I am happy to announce that {r2rtf} v0.3.0 is now on CRAN.



r2rtf is an R package to create production-ready tables and figures in RTF
format. The R package is designed to provide simple “verb” functions that
correspond to each component of a table or figure.



I hope you find it helpful. Please feel free to reach out with feedback or
questions.



CRAN: https://cloud.r-project.org/web/packages/r2rtf/index.html

Documentation: https://merck.github.io/r2rtf/articles/index.html



Thanks,



Yilong

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[R] transfer string to expression

[Yilong Zhang]

Dear all:

when I use parse() there is some problems. Below is an example:

b0<-1
b1<-1
x<-1
str2expr<-function(x){eval(parse(text=x))}
test1<-"b0+b1*sqrt(x)"
test2<-"b0+b1"
str2expr(test1)
str2expr(test2)

it can work well for test2 but not for test1.

Could you tell me how to fix this problem or is there other more stable
method to transfer an string to expression?

best regards

Elong

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[R] Using RODBC to read CSV

[Yilong Zhang]

Hi all,

When I use ODBC to manage my datasets, I have a question about sqlFetch
below. It seems that my datasets have successfully been identified but the
function sqlFetch get an error when I want to read the table. And below is
the questionable code. Thanks for your help!

> library(RODBC)
> stock<-odbcConnect("stock")
> sqlTables(stock)
 TABLE_CAT TABLE_SCHEM TABLE_NAME TABLE_TYPE REMARKS
1  F:\\DOWNLOAD\\STOCK   1990.csv  TABLE
2  F:\\DOWNLOAD\\STOCK   1996.csv  TABLE
3  F:\\DOWNLOAD\\STOCK   1998.csv  TABLE
4  F:\\DOWNLOAD\\STOCK   1999.csv  TABLE
5  F:\\DOWNLOAD\\STOCK   2000.csv  TABLE
6  F:\\DOWNLOAD\\STOCK   2001.csv  TABLE
7  F:\\DOWNLOAD\\STOCK   2002.csv  TABLE
8  F:\\DOWNLOAD\\STOCK   2003.csv  TABLE
9  F:\\DOWNLOAD\\STOCK   2004.csv  TABLE
10 F:\\DOWNLOAD\\STOCK   2005.csv  TABLE
11 F:\\DOWNLOAD\\STOCK   2006.csv  TABLE
12 F:\\DOWNLOAD\\STOCK   2007.csv  TABLE
13 F:\\DOWNLOAD\\STOCK   2008.csv  TABLE
14 F:\\DOWNLOAD\\STOCK   2009.csv  TABLE
15 F:\\DOWNLOAD\\STOCK   2010.csv  TABLE
16 F:\\DOWNLOAD\\STOCK   test.csv  TABLE
17 F:\\DOWNLOAD\\STOCK  test1.csv  TABLE
> sqlFetch(stock,"test.csv")
´íÎóÓÚodbcTableExists(channel, sqtable) :
  ¡®test.csv¡¯: table not found on channel

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