The system info relevant to my problem:
AWS RDS DB Instance
Instance Class - db.m1.small
Engine - MySQL 5.6.13
AWS EC2 Linux AMI
https://aws.amazon.com/amazon-linux-ami/2014.03-release-notes/
R version 3.0.2
i686-redhat-linux-gnu (32-bit)
Linux…
I am very new to R (computer programming in general) and am working on a bioinformatics project. I made a MySQL database and using RMySQL connected to that database in the MySQL server in R. From here I issued queries to select a certain field from…
So I'm relatively new to using r-studio and I'm having a problem installing RMySQL.
I'm running RStudio 0.98.501 and R 3.0.2 and trying to connect R to a database. However, whenever I try to install RMySQL I get the error message "package ‘RMySQL’…
I'm trying to develop a dashboard using R Shiny which extract data from a MySQL database and represents it in graphical form. I need to create a time series using several data. But a problem occurs when the time stamp values in MySQL cannot be…
Hello i would like to know how can i merge 2 data frames in R,there is a merge function ,but i would like to do this :
data frame1
X Y Z
1 1 1 1
2 1 1 1
3 1 1 1
4 1 1 1
5 1 1 1
data frame 2
A B C
1 2 2 2
2 2 2 2
3 2 2…
I have the following MySQL Query using RMySQL. All the Database parameters are set before and Query is working well. Is there a possibility to put it in a loop to get multiple zoo objects from more than one dpname?…
This seems ridiculous, but I just can't get this right - any help much appreciated please!
Basically: I'm using RMySQL to do some simple SQL, in order to get my head around how SQL works. I'd like to chain together a few SQL select queries, as a…
I used this guide: Using MySQL in R for Windows but it didn't help. I'm already searching for hours on this problem. Since I can't figure out my problem I just can send here the log when trying to install.packages('RMySQL',type='source')
> Warning…
Code:
dbWriteTable(con, name=symbol, value=df, row.names=FALSE, append=TRUE)
Error in mysqlExecStatement(conn, statement, ...) :
RS-DBI driver: (could not run statement: You have an error in your SQL syntax; check the manual that corresponds to…
Consider two data frames, dataFrame1 and dataFrame2:
dataFrame1 has N columns (colmn1, ..., colmnN)
dataFrame2 has 3 columns (col1, col2, col3)
Can I write a statement like:
Select colmn1, colmn2, ..., colmnN, col1, col2 from dataFrame1,…
I have a data.frame (table_2) of 12531 rows and 92 cols and I would like to load it into MySQL using 'RMySQL' package, so...
dbWriteTable(con,'DB.table_2',table_2,row.names=F)
Checking the output in MySQL, I see that the table has 3 rows more, with…
I m relatively new to R. I m using the RMySQL Library to get some data and then process it in R. My code looks something like this.
arg<-commandArgs(TRUE)
rs<-dbSendQuery(con, "select owner_name, domain, count(*) as freq from playlist
where…
Connecting to a database via RMySQL I wrote some R-scripts - to make them easier: Is it possible to set the date in MySQL Query as a variable?
e.g.
x<-"2012-12-01"
rs <- dbGetQuery(db,"**** where date between 'x' and '2012-12-31'")
Is there any…
I followed the installation directions at R-Bloggers website. However once I do the install.packages('RMySQL',type='source'), I get the following error. It appears that there is some conflict with regards to the path (Windows likes backward slashes…