similar to: Form fields and MySQL column name Association

I?m trying to pull data from one table (batting) in the Lahman Baseball database. Notice X2B for doubles and X3B for triples ? fourth and fifth from the right. The dbGetQuery function runs fine when I leave there two out but I get error messages (in red) when I include 2B/3B or X2B/X3B. Can anyone give me some direction? Thanks, Philip Heinrich

Hi Philip, You've probably realized by now that R doesn't like column names that start with a number. If you try to access an R-dataframe column named 2B or 3B with the familiar "$" notation, you'll get an error: > library(DBI) > library(RSQLite) > con2 <- dbConnect(SQLite(), "~/R_Dir/lahmansbaseballdb.sqlite") > Hack12Batting <-

This is really a feature of SQL, not R. SQL requires that you double quote column names that start with numbers, include spaces, etc., or that are SQL key words. E.g., > d <- data.frame(Order=c("sit","stay","heel"), Where=c("here","there","there"), From=c("me","me","you")) >

The double quotes are required by SQL if a name is not of the form letter-followed-by-any-number-of-letters-or-numbers or if the name is a SQL keyword like 'where' or 'select'. If you are doing this from a function, you may as well quote all the names. -Bill On Fri, Oct 2, 2020 at 6:18 PM Philip <herd_dog at cox.net> wrote: > The \?2B\? worked. Have no idea why. Can

Hi folks, Since the ASA nixed the idea of posting those papers on the web, I distilled out the raw masking curves. I also added in a few of the raw masking curves as published in "Paramaetric Bit Allocation in a Perceptual Audio Coder"; this paper only mentions in passing that Dolby distilled their masking data for AC-3 research from both the Ehmer papers I already mentioned and later

Hi I'm new to R and would like some help with a couple of problems. I suspect the solutions are quite simple. I have a data.frame (data) with 40 variables and 5238 observations created from ~150 text files using read.table. I would like to change some of the entries within two different columns. Firstly, in the Group column I have groups A and B, I would like to select all As and change

Greetings! I'm have a hard time working with some data I imported from a baseball database. Several of the database columns have numbers in them (2B, 3B), and when I try to use these vectors from the data frame, I get syntax errors, probably because it's interpreting the name as a number: > show(batting2005) playerID yearID stint teamID lgID G AB R H 2B 3B HR RBI SB CS BB

Not to draw this off-topic thread out too long, but perhaps there are enough interested to make it worthwhile: > > And, since my son asked me and I am basketball ignorant: Why are > > basketball scores mostly much too close to equality? The arguments > > (loose power when leading) The relevant rule is the one that dictates that after a team scores a basket, the ball goes

Hi, Reading http://ssc.wisc.edu/~ahanna/20_newsgroups.csv after downloading it using data <- read.csv("20_newsgroups.csv",header=TRUE) throws this. Warning message: In scan(file, what, nmax, sep, dec, quote, skip, nlines, na.strings, : EOF within quoted string So, for example, the first line in the file is this. This column contains only such text. Is there a way read it ?

I write about R every weekday at the Revolutions blog: http://blog.revolutionanalytics.com and every month I post a summary of articles from the previous month of particular interest to readers of r-help. In case you missed them, here are some articles related to R from the month of June: Highlights of presentations from the R/Finance 2011 conference: http://bit.ly/pgOVfm Trulia uses R and

You might want to try some of the suggestions mentioned in this post: https://stackoverflow.com/q/17414776/2140956 Jean On Thu, Aug 10, 2017 at 7:59 AM, <Mohan.Radhakrishnan at cognizant.com> wrote: > Hi, > > Reading http://ssc.wisc.edu/~ahanna/20_newsgroups.csv after downloading > it using > > data <- read.csv("20_newsgroups.csv",header=TRUE) > >

Okay, I am new to rails. I see that the new release of rails does not apply to anything on the site with regards to tutorials including screencasts. What I don''t understand is how I am suppose to learn Rails 2.0 if there is no docmentation for it. I did see that on peepcode there is a pdf for what has changed but how does that help me? How do I get an understanding of the design

Yes. I tried that already. Not straightforward. data <- read.csv("20_newsgroups.csv",fill=TRUE,as.is=T,header=F, quote="", sep=",", encoding="UTF-8") This line does read it haphazardly. The emails in the column are split into multiple columns and there are several columns with just ?NA?. Totally 202 columns. And then I removed columns with NA?s and

Hi R Users I am hoping someone might be able to give some pointers on alternative code to the for loop described below. I have a dataset which is ordered by subject ID and date, what I would like to do is create a new variable that numbers the entries for each person (e.g. 1,2,3,....) As an example if we have subjects A, B and C all with multiple entries (have excluded date variable for

Hello Esteemed Tent-pitchers, Can we get a point release of the current camping trunk? 1.5.1 maybe? I don''t know how stable trunk is, but there are lots of bugs that would be nice to get resolved. Particularly the ones involving the incorrect creation of the sessions table. Evan -- Evan Weaver Cloudburst, LLC

Hi folks, I've been dickering around again, wasting the time away.... and today Brian Zisk (chief Vorbis Evangelist among other things) said, "Hey! We need to demo to the world on the 4th of April!" Hooo boy. Time to suck it up and bang it out. The Vorbis libs are not a problem. I'm in process of checking in my new psychoacoustics (they're real pretty!) based on

I write about R every weekday at?http://blog.revolution-computing.com . In case you missed them, here are some articles from the month of April of particular interest to r-help subscribers. Thanks to everyone who has been following the blog and sending me messages and/or leaving comments -- it always brightens my day to hear from readers! http://tinyurl.com/cy7x9a?(from April 1) announced the new

Hi I have a set of data with both quantitative and categorical predictors. After scaling of response variable, i looked for multicollinearity (VIF values) among the predictors and removed the predictors who were hinding some of the other significant predictors. I'm curious to know whether the predictors (who are not significant) while doing simple 'lm' will be involved in

We have ISDN PCI Adapter from Billion(using mISDN). When we connect it to the PSTN the incoming calls are OK. When we try to make a call we can't do that because the ISDN port is Down: CLI> misdn show port 1 BEGIN STACK_LIST: * Stack Addr: 40400001 Port 1 Type TE Prot. PMP L2Link DOWN L1Link:DOWN Idx: 0

> We do not implement that restricted semantics correctly either -- see > https://bugs.llvm.org/show_bug.cgi?id=27190 Haha, I wondered for a minute whether I should bring up that bug... We've seen pretty nasty crashes due to it and had to work around it..... One of my recent work has also uncovered another (I believe) invalid handling of returns_twice functions....