Static variable next to a dynamic variable in R












0














I posted yesterday another question but I feel I need to clarify it.



Let's say I have this code



md.NAME <- (subset(MyData, HotelName=="ALAMEDA"))

md.NAME.fc <- (subset(md.ALAMEDA, TIPO=="FORECAST"))

md.NAME.fc.bar <- (subset(md.ALAMEDA.fc, Market.Segment=="BAR"))


What I want is that NAME changes according to a variable set before those 3 lines are run,
So NAME is just dynamic in the sense that before these 3 lines I could say, ok, NAME now is equal to JOHN, but then, I could say that NAME is now equal to PATRIC.



So after running those 3 lines, twice (once for John and once for Patric) somehow in the environment I will get something like this:
6 dataframes, 3 for JOHN and 3 for PATRIC



DATAFRAME 1 WILL BE   md.JOHN

DATAFRAME 2 WILL BE   md.JOHN.fc

DATAFRAME 3 WILL BE   md.JOHN.fc.bar

DATAFRAME 1 WILL BE   md.PATRIC

DATAFRAME 2 WILL BE   md.PATRIC.fc

DATAFRAME 3 WILL BE   md.PATRIC.fc.bar


All the answers I had so far would help me only if "md" and "fc" or "fc.bar" are always the same. But I will have several variables like this, which will change a lot as far as the naming goes. So, it is the center part (NAME) the only one that should change.



I could even have something like:



md.test$NAME <- ...





r dataframe variables dataset







share|improve this question




















  • 1




    Instead of creating objects in the global env, place it in a list and then chang the name of the list i.e. lst1 <- mget(ls(pattern = "^md.NAME"))
    – akrun
    Nov 12 at 22:26












  • The assign() function could be helpful. Something like assign(paste0("md.", NAME), value=subset(MyData, HotelName=="ALAMEDA"))- To get more precise answers please provide a reproducible example.
    – Florian
    Nov 12 at 22:57






  • 1




    Yesterday you were advised that this was a bad idea. It still is.
    – user2554330
    Nov 12 at 23:40






  • 1




    Possible duplicate of One variable name combining a static name + a variable name
    – user2554330
    Nov 12 at 23:41
















0














I posted yesterday another question but I feel I need to clarify it.



Let's say I have this code



md.NAME <- (subset(MyData, HotelName=="ALAMEDA"))

md.NAME.fc <- (subset(md.ALAMEDA, TIPO=="FORECAST"))

md.NAME.fc.bar <- (subset(md.ALAMEDA.fc, Market.Segment=="BAR"))


What I want is that NAME changes according to a variable set before those 3 lines are run,
So NAME is just dynamic in the sense that before these 3 lines I could say, ok, NAME now is equal to JOHN, but then, I could say that NAME is now equal to PATRIC.



So after running those 3 lines, twice (once for John and once for Patric) somehow in the environment I will get something like this:
6 dataframes, 3 for JOHN and 3 for PATRIC



DATAFRAME 1 WILL BE   md.JOHN

DATAFRAME 2 WILL BE   md.JOHN.fc

DATAFRAME 3 WILL BE   md.JOHN.fc.bar

DATAFRAME 1 WILL BE   md.PATRIC

DATAFRAME 2 WILL BE   md.PATRIC.fc

DATAFRAME 3 WILL BE   md.PATRIC.fc.bar


All the answers I had so far would help me only if "md" and "fc" or "fc.bar" are always the same. But I will have several variables like this, which will change a lot as far as the naming goes. So, it is the center part (NAME) the only one that should change.



I could even have something like:



md.test$NAME <- ...





r dataframe variables dataset







share|improve this question




















  • 1




    Instead of creating objects in the global env, place it in a list and then chang the name of the list i.e. lst1 <- mget(ls(pattern = "^md.NAME"))
    – akrun
    Nov 12 at 22:26












  • The assign() function could be helpful. Something like assign(paste0("md.", NAME), value=subset(MyData, HotelName=="ALAMEDA"))- To get more precise answers please provide a reproducible example.
    – Florian
    Nov 12 at 22:57






  • 1




    Yesterday you were advised that this was a bad idea. It still is.
    – user2554330
    Nov 12 at 23:40






  • 1




    Possible duplicate of One variable name combining a static name + a variable name
    – user2554330
    Nov 12 at 23:41














0












0








0







I posted yesterday another question but I feel I need to clarify it.



Let's say I have this code



md.NAME <- (subset(MyData, HotelName=="ALAMEDA"))

md.NAME.fc <- (subset(md.ALAMEDA, TIPO=="FORECAST"))

md.NAME.fc.bar <- (subset(md.ALAMEDA.fc, Market.Segment=="BAR"))


What I want is that NAME changes according to a variable set before those 3 lines are run,
So NAME is just dynamic in the sense that before these 3 lines I could say, ok, NAME now is equal to JOHN, but then, I could say that NAME is now equal to PATRIC.



So after running those 3 lines, twice (once for John and once for Patric) somehow in the environment I will get something like this:
6 dataframes, 3 for JOHN and 3 for PATRIC



DATAFRAME 1 WILL BE   md.JOHN

DATAFRAME 2 WILL BE   md.JOHN.fc

DATAFRAME 3 WILL BE   md.JOHN.fc.bar

DATAFRAME 1 WILL BE   md.PATRIC

DATAFRAME 2 WILL BE   md.PATRIC.fc

DATAFRAME 3 WILL BE   md.PATRIC.fc.bar


All the answers I had so far would help me only if "md" and "fc" or "fc.bar" are always the same. But I will have several variables like this, which will change a lot as far as the naming goes. So, it is the center part (NAME) the only one that should change.



I could even have something like:



md.test$NAME <- ...





r dataframe variables dataset







share|improve this question















I posted yesterday another question but I feel I need to clarify it.



Let's say I have this code



md.NAME <- (subset(MyData, HotelName=="ALAMEDA"))

md.NAME.fc <- (subset(md.ALAMEDA, TIPO=="FORECAST"))

md.NAME.fc.bar <- (subset(md.ALAMEDA.fc, Market.Segment=="BAR"))


What I want is that NAME changes according to a variable set before those 3 lines are run,
So NAME is just dynamic in the sense that before these 3 lines I could say, ok, NAME now is equal to JOHN, but then, I could say that NAME is now equal to PATRIC.



So after running those 3 lines, twice (once for John and once for Patric) somehow in the environment I will get something like this:
6 dataframes, 3 for JOHN and 3 for PATRIC



DATAFRAME 1 WILL BE   md.JOHN

DATAFRAME 2 WILL BE   md.JOHN.fc

DATAFRAME 3 WILL BE   md.JOHN.fc.bar

DATAFRAME 1 WILL BE   md.PATRIC

DATAFRAME 2 WILL BE   md.PATRIC.fc

DATAFRAME 3 WILL BE   md.PATRIC.fc.bar


All the answers I had so far would help me only if "md" and "fc" or "fc.bar" are always the same. But I will have several variables like this, which will change a lot as far as the naming goes. So, it is the center part (NAME) the only one that should change.



I could even have something like:



md.test$NAME <- ...





r dataframe variables dataset




r dataframe variables dataset






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited Nov 13 at 21:05

























asked Nov 12 at 22:24









Facundo Calbo Leyes

62




62








  • 1




    Instead of creating objects in the global env, place it in a list and then chang the name of the list i.e. lst1 <- mget(ls(pattern = "^md.NAME"))
    – akrun
    Nov 12 at 22:26












  • The assign() function could be helpful. Something like assign(paste0("md.", NAME), value=subset(MyData, HotelName=="ALAMEDA"))- To get more precise answers please provide a reproducible example.
    – Florian
    Nov 12 at 22:57






  • 1




    Yesterday you were advised that this was a bad idea. It still is.
    – user2554330
    Nov 12 at 23:40






  • 1




    Possible duplicate of One variable name combining a static name + a variable name
    – user2554330
    Nov 12 at 23:41














  • 1




    Instead of creating objects in the global env, place it in a list and then chang the name of the list i.e. lst1 <- mget(ls(pattern = "^md.NAME"))
    – akrun
    Nov 12 at 22:26












  • The assign() function could be helpful. Something like assign(paste0("md.", NAME), value=subset(MyData, HotelName=="ALAMEDA"))- To get more precise answers please provide a reproducible example.
    – Florian
    Nov 12 at 22:57






  • 1




    Yesterday you were advised that this was a bad idea. It still is.
    – user2554330
    Nov 12 at 23:40






  • 1




    Possible duplicate of One variable name combining a static name + a variable name
    – user2554330
    Nov 12 at 23:41








1




1




Instead of creating objects in the global env, place it in a list and then chang the name of the list i.e. lst1 <- mget(ls(pattern = "^md.NAME"))
– akrun
Nov 12 at 22:26






Instead of creating objects in the global env, place it in a list and then chang the name of the list i.e. lst1 <- mget(ls(pattern = "^md.NAME"))
– akrun
Nov 12 at 22:26














The assign() function could be helpful. Something like assign(paste0("md.", NAME), value=subset(MyData, HotelName=="ALAMEDA"))- To get more precise answers please provide a reproducible example.
– Florian
Nov 12 at 22:57




The assign() function could be helpful. Something like assign(paste0("md.", NAME), value=subset(MyData, HotelName=="ALAMEDA"))- To get more precise answers please provide a reproducible example.
– Florian
Nov 12 at 22:57




1




1




Yesterday you were advised that this was a bad idea. It still is.
– user2554330
Nov 12 at 23:40




Yesterday you were advised that this was a bad idea. It still is.
– user2554330
Nov 12 at 23:40




1




1




Possible duplicate of One variable name combining a static name + a variable name
– user2554330
Nov 12 at 23:41




Possible duplicate of One variable name combining a static name + a variable name
– user2554330
Nov 12 at 23:41

















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