Sorkin, John
2025-Jan-28 06:24 UTC
[R] R CMD check says no visible binding for global variable
There you go, once again helping strengthen ;) John Get Outlook for iOS<https://aka.ms/o0ukef> ________________________________ From: R-help <r-help-bounces at r-project.org> on behalf of avi.e.gross at gmail.com <avi.e.gross at gmail.com> Sent: Tuesday, January 28, 2025 12:01:25 AM To: 'Naresh Gurbuxani' <naresh_gurbuxani at hotmail.com>; r-help at r-project.org <r-help at r-project.org> Subject: Re: [R] R CMD check says no visible binding for global variable Naresh, I am not sure how you are creating your data.frame so it has no, I think, column names. There are two scenarios including one where it is not really a valid data.frame and one where it can be handled before any other use as shown below. If it cannot be used, you might need to modify how your SQL or the function you call creates it so it includes either names it chooses or that you supply. One silly solution if to give your data frame names before using it later. In prticulr, if you know what the columns contain, you can choose suitable names like this if you have exactly three columns:> colnames(mydata) <- c("first", "second", "third") > mydatafirst second third 1 1 2 3 If you have a varying number of columns and don't care what the names are, you can make n names that look like temp1, temp2, ... tempn like this:> paste0("temp", 1:ncol(mydata))[1] "temp1" "temp2" "temp3" Obviously, you substitute in whatever your data.frame is called. So the code to add names for columns looks like:> colnames(mydata) <- paste0("temp", 1:ncol(mydata)) > mydatatemp1 temp2 temp3 1 1 2 3 -----Original Message----- From: R-help <r-help-bounces at r-project.org> On Behalf Of Naresh Gurbuxani Sent: Monday, January 27, 2025 5:46 PM To: r-help at r-project.org Subject: [R] R CMD check says no visible binding for global variable I have written a function which returns an SQL query result as a data.frame. Each column of data.frame is a variable not explicitly defined. For every column name, R CMD check says ?no visible binding for global variable <name>. Status: 1 NOTE Is it possible to tell R CMD check that these variables are OK? Thanks, Naresh Sent from my iPhone ______________________________________________ R-help at r-project.org mailing list -- To UNSUBSCRIBE and more, see https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fstat.ethz.ch%2Fmailman%2Flistinfo%2Fr-help&data=05%7C02%7CJSorkin%40som.umaryland.edu%7C25e7bd61380147526b8108dd3f58dced%7C717009a620de461a88940312a395cac9%7C0%7C0%7C638736373101270089%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=ExT4UObp9q1CqqqUNyr9GdX3fs6UFoCIndD0UFdQ2bE%3D&reserved=0<https://stat.ethz.ch/mailman/listinfo/r-help> PLEASE do read the posting guide https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.r-project.org%2Fposting-guide.html&data=05%7C02%7CJSorkin%40som.umaryland.edu%7C25e7bd61380147526b8108dd3f58dced%7C717009a620de461a88940312a395cac9%7C0%7C0%7C638736373101299265%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=KHzs8stxNBdUeRR9LW8DdYICbzLU3wovaKNJBqL%2BBOY%3D&reserved=0<https://www.r-project.org/posting-guide.html> and provide commented, minimal, self-contained, reproducible code. ______________________________________________ R-help at r-project.org mailing list -- To UNSUBSCRIBE and more, see https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fstat.ethz.ch%2Fmailman%2Flistinfo%2Fr-help&data=05%7C02%7CJSorkin%40som.umaryland.edu%7C25e7bd61380147526b8108dd3f58dced%7C717009a620de461a88940312a395cac9%7C0%7C0%7C638736373101312257%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=ygouzLUqvgdAsZjnGVrFwzM93bYn%2Fbjevj5MyagGE04%3D&reserved=0<https://stat.ethz.ch/mailman/listinfo/r-help> PLEASE do read the posting guide https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.r-project.org%2Fposting-guide.html&data=05%7C02%7CJSorkin%40som.umaryland.edu%7C25e7bd61380147526b8108dd3f58dced%7C717009a620de461a88940312a395cac9%7C0%7C0%7C638736373101326801%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=kx%2FukXxxEEiVwui%2F6lIsA45q6Hiz97Qpj%2BwHi2eoSqA%3D&reserved=0<https://www.r-project.org/posting-guide.html> and provide commented, minimal, self-contained, reproducible code. [[alternative HTML version deleted]]
Naresh Gurbuxani
2025-Jan-28 18:55 UTC
[R] R CMD check says no visible binding for global variable
Data.frame is returned by SQL query. It does have column names. In the function, I make small changes to some columns. Something like: Myquery <- ?SELECT date, price, stock FROM stocktab WHERE stock = ?ABC? AND date > ?2025-01-01?;? Prices <- dbGetQuery(con, myquery) SetDT(Prices) Prices[, date = as.Date(date)] R CMD check say ?no visible binding for global variable ?date?? Sent from my iPhone On Jan 28, 2025, at 1:24?AM, Sorkin, John <jsorkin at som.umaryland.edu> wrote: ? There you go, once again helping strengthen ;) John Get Outlook for iOS<https://aka.ms/o0ukef> ________________________________ From: R-help <r-help-bounces at r-project.org> on behalf of avi.e.gross at gmail.com <avi.e.gross at gmail.com> Sent: Tuesday, January 28, 2025 12:01:25 AM To: 'Naresh Gurbuxani' <naresh_gurbuxani at hotmail.com>; r-help at r-project.org <r-help at r-project.org> Subject: Re: [R] R CMD check says no visible binding for global variable Naresh, I am not sure how you are creating your data.frame so it has no, I think, column names. There are two scenarios including one where it is not really a valid data.frame and one where it can be handled before any other use as shown below. If it cannot be used, you might need to modify how your SQL or the function you call creates it so it includes either names it chooses or that you supply. One silly solution if to give your data frame names before using it later. In prticulr, if you know what the columns contain, you can choose suitable names like this if you have exactly three columns:> colnames(mydata) <- c("first", "second", "third") > mydatafirst second third 1 1 2 3 If you have a varying number of columns and don't care what the names are, you can make n names that look like temp1, temp2, ... tempn like this:> paste0("temp", 1:ncol(mydata))[1] "temp1" "temp2" "temp3" Obviously, you substitute in whatever your data.frame is called. So the code to add names for columns looks like:> colnames(mydata) <- paste0("temp", 1:ncol(mydata)) > mydatatemp1 temp2 temp3 1 1 2 3 -----Original Message----- From: R-help <r-help-bounces at r-project.org> On Behalf Of Naresh Gurbuxani Sent: Monday, January 27, 2025 5:46 PM To: r-help at r-project.org Subject: [R] R CMD check says no visible binding for global variable I have written a function which returns an SQL query result as a data.frame. Each column of data.frame is a variable not explicitly defined. For every column name, R CMD check says ?no visible binding for global variable <name>. Status: 1 NOTE Is it possible to tell R CMD check that these variables are OK? Thanks, Naresh Sent from my iPhone ______________________________________________ R-help at r-project.org mailing list -- To UNSUBSCRIBE and more, see https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fstat.ethz.ch%2Fmailman%2Flistinfo%2Fr-help&data=05%7C02%7CJSorkin%40som.umaryland.edu%7C25e7bd61380147526b8108dd3f58dced%7C717009a620de461a88940312a395cac9%7C0%7C0%7C638736373101270089%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=ExT4UObp9q1CqqqUNyr9GdX3fs6UFoCIndD0UFdQ2bE%3D&reserved=0<https://stat.ethz.ch/mailman/listinfo/r-help> PLEASE do read the posting guide https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.r-project.org%2Fposting-guide.html&data=05%7C02%7CJSorkin%40som.umaryland.edu%7C25e7bd61380147526b8108dd3f58dced%7C717009a620de461a88940312a395cac9%7C0%7C0%7C638736373101299265%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=KHzs8stxNBdUeRR9LW8DdYICbzLU3wovaKNJBqL%2BBOY%3D&reserved=0<https://www.r-project.org/posting-guide.html> and provide commented, minimal, self-contained, reproducible code. ______________________________________________ R-help at r-project.org mailing list -- To UNSUBSCRIBE and more, see https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fstat.ethz.ch%2Fmailman%2Flistinfo%2Fr-help&data=05%7C02%7CJSorkin%40som.umaryland.edu%7C25e7bd61380147526b8108dd3f58dced%7C717009a620de461a88940312a395cac9%7C0%7C0%7C638736373101312257%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=ygouzLUqvgdAsZjnGVrFwzM93bYn%2Fbjevj5MyagGE04%3D&reserved=0<https://stat.ethz.ch/mailman/listinfo/r-help> PLEASE do read the posting guide https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.r-project.org%2Fposting-guide.html&data=05%7C02%7CJSorkin%40som.umaryland.edu%7C25e7bd61380147526b8108dd3f58dced%7C717009a620de461a88940312a395cac9%7C0%7C0%7C638736373101326801%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=kx%2FukXxxEEiVwui%2F6lIsA45q6Hiz97Qpj%2BwHi2eoSqA%3D&reserved=0<https://www.r-project.org/posting-guide.html> and provide commented, minimal, self-contained, reproducible code. 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