In statistics, is there a formal name to the two variables of a two-dimensional contingency table?












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Is there a formal terminology for the variable in the columns and for the variable in the rows?






terminology contingency-tables







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    @NickCox, I think your comment deserves to be an Answer.
    $endgroup$
    – StatsStudent
    2 hours ago


















1












$begingroup$


Is there a formal terminology for the variable in the columns and for the variable in the rows?






terminology contingency-tables







share|cite|improve this question









$endgroup$








  • 1




    $begingroup$
    @NickCox, I think your comment deserves to be an Answer.
    $endgroup$
    – StatsStudent
    2 hours ago
















1












1








1





$begingroup$


Is there a formal terminology for the variable in the columns and for the variable in the rows?






terminology contingency-tables







share|cite|improve this question









$endgroup$




Is there a formal terminology for the variable in the columns and for the variable in the rows?






terminology contingency-tables




terminology contingency-tables






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share|cite|improve this question











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asked 3 hours ago









plantplant

1908




1908








  • 1




    $begingroup$
    @NickCox, I think your comment deserves to be an Answer.
    $endgroup$
    – StatsStudent
    2 hours ago
















  • 1




    $begingroup$
    @NickCox, I think your comment deserves to be an Answer.
    $endgroup$
    – StatsStudent
    2 hours ago










1




1




$begingroup$
@NickCox, I think your comment deserves to be an Answer.
$endgroup$
– StatsStudent
2 hours ago






$begingroup$
@NickCox, I think your comment deserves to be an Answer.
$endgroup$
– StatsStudent
2 hours ago












1 Answer
1






active

oldest

votes


















4












$begingroup$

The names row variable and column variable work fine for me, if indeed names are needed at all. It is perhaps more common, and typically more helpful, to refer to the names of the variables (gender, tree species, enjoyment of movie, attitude to some proposal, or whatever). Which is presented in rows and which in columns is immaterial to the analysis of contingency tables. It's just a matter of which presentation is easier to produce and to read.



If one is a response (outcome, ...) and the other a predictor (covariate, ...) you can always say so. But often the response is the count or frequency itself, as given in the cells of the table, and the margins represent predictors.



Broadly, which variable goes in the rows and which in the columns is a matter of convenience as much as logic or even convention. It is common advice that it is easier to read down columns than to compare across rows.



In practice, however, the shape of the table can dominate decisions. For example, a 2 x 20 table (say) is usually going to be shown as 20 rows x 2 columns, regardless of the contents or meaning of the variables. That applies to displays online and to those in print. (No talk should include a 2 x 20 table....)



The question refers specifically to two-dimensional tables. There does not seem to be much agreement on, or much need for, standard terminology for third or higher dimensions of three- or higher-dimensional tables, which are often best presented otherwise in any case.






share|cite|improve this answer









$endgroup$













  • $begingroup$
    I see your point, fair enough!
    $endgroup$
    – plant
    51 mins ago






  • 1




    $begingroup$
    +10. Nice answer, @Nick Cox. The only thing I'll add is that some fields of study have adopted, as a norm or unspoken rule, certain ways that $2times 2$ tables should be presented within their fields in the literature. For example, in epidemiology, medicine, and public health, "Exposures" or "Risk Factors" are usually placed on the left side of the table (rows) and the Disease or Outcome is usually presented at the top of the table (columns). The same is true for some other fields, but the rows and column are completely interchangeable as you've said..
    $endgroup$
    – StatsStudent
    32 mins ago










  • $begingroup$
    That's a good point. Feel free to edit it into my answer or to add your own.
    $endgroup$
    – Nick Cox
    21 mins ago











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1 Answer
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active

oldest

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1 Answer
1






active

oldest

votes









active

oldest

votes






active

oldest

votes









4












$begingroup$

The names row variable and column variable work fine for me, if indeed names are needed at all. It is perhaps more common, and typically more helpful, to refer to the names of the variables (gender, tree species, enjoyment of movie, attitude to some proposal, or whatever). Which is presented in rows and which in columns is immaterial to the analysis of contingency tables. It's just a matter of which presentation is easier to produce and to read.



If one is a response (outcome, ...) and the other a predictor (covariate, ...) you can always say so. But often the response is the count or frequency itself, as given in the cells of the table, and the margins represent predictors.



Broadly, which variable goes in the rows and which in the columns is a matter of convenience as much as logic or even convention. It is common advice that it is easier to read down columns than to compare across rows.



In practice, however, the shape of the table can dominate decisions. For example, a 2 x 20 table (say) is usually going to be shown as 20 rows x 2 columns, regardless of the contents or meaning of the variables. That applies to displays online and to those in print. (No talk should include a 2 x 20 table....)



The question refers specifically to two-dimensional tables. There does not seem to be much agreement on, or much need for, standard terminology for third or higher dimensions of three- or higher-dimensional tables, which are often best presented otherwise in any case.






share|cite|improve this answer









$endgroup$













  • $begingroup$
    I see your point, fair enough!
    $endgroup$
    – plant
    51 mins ago






  • 1




    $begingroup$
    +10. Nice answer, @Nick Cox. The only thing I'll add is that some fields of study have adopted, as a norm or unspoken rule, certain ways that $2times 2$ tables should be presented within their fields in the literature. For example, in epidemiology, medicine, and public health, "Exposures" or "Risk Factors" are usually placed on the left side of the table (rows) and the Disease or Outcome is usually presented at the top of the table (columns). The same is true for some other fields, but the rows and column are completely interchangeable as you've said..
    $endgroup$
    – StatsStudent
    32 mins ago










  • $begingroup$
    That's a good point. Feel free to edit it into my answer or to add your own.
    $endgroup$
    – Nick Cox
    21 mins ago
















4












$begingroup$

The names row variable and column variable work fine for me, if indeed names are needed at all. It is perhaps more common, and typically more helpful, to refer to the names of the variables (gender, tree species, enjoyment of movie, attitude to some proposal, or whatever). Which is presented in rows and which in columns is immaterial to the analysis of contingency tables. It's just a matter of which presentation is easier to produce and to read.



If one is a response (outcome, ...) and the other a predictor (covariate, ...) you can always say so. But often the response is the count or frequency itself, as given in the cells of the table, and the margins represent predictors.



Broadly, which variable goes in the rows and which in the columns is a matter of convenience as much as logic or even convention. It is common advice that it is easier to read down columns than to compare across rows.



In practice, however, the shape of the table can dominate decisions. For example, a 2 x 20 table (say) is usually going to be shown as 20 rows x 2 columns, regardless of the contents or meaning of the variables. That applies to displays online and to those in print. (No talk should include a 2 x 20 table....)



The question refers specifically to two-dimensional tables. There does not seem to be much agreement on, or much need for, standard terminology for third or higher dimensions of three- or higher-dimensional tables, which are often best presented otherwise in any case.






share|cite|improve this answer









$endgroup$













  • $begingroup$
    I see your point, fair enough!
    $endgroup$
    – plant
    51 mins ago






  • 1




    $begingroup$
    +10. Nice answer, @Nick Cox. The only thing I'll add is that some fields of study have adopted, as a norm or unspoken rule, certain ways that $2times 2$ tables should be presented within their fields in the literature. For example, in epidemiology, medicine, and public health, "Exposures" or "Risk Factors" are usually placed on the left side of the table (rows) and the Disease or Outcome is usually presented at the top of the table (columns). The same is true for some other fields, but the rows and column are completely interchangeable as you've said..
    $endgroup$
    – StatsStudent
    32 mins ago










  • $begingroup$
    That's a good point. Feel free to edit it into my answer or to add your own.
    $endgroup$
    – Nick Cox
    21 mins ago














4












4








4





$begingroup$

The names row variable and column variable work fine for me, if indeed names are needed at all. It is perhaps more common, and typically more helpful, to refer to the names of the variables (gender, tree species, enjoyment of movie, attitude to some proposal, or whatever). Which is presented in rows and which in columns is immaterial to the analysis of contingency tables. It's just a matter of which presentation is easier to produce and to read.



If one is a response (outcome, ...) and the other a predictor (covariate, ...) you can always say so. But often the response is the count or frequency itself, as given in the cells of the table, and the margins represent predictors.



Broadly, which variable goes in the rows and which in the columns is a matter of convenience as much as logic or even convention. It is common advice that it is easier to read down columns than to compare across rows.



In practice, however, the shape of the table can dominate decisions. For example, a 2 x 20 table (say) is usually going to be shown as 20 rows x 2 columns, regardless of the contents or meaning of the variables. That applies to displays online and to those in print. (No talk should include a 2 x 20 table....)



The question refers specifically to two-dimensional tables. There does not seem to be much agreement on, or much need for, standard terminology for third or higher dimensions of three- or higher-dimensional tables, which are often best presented otherwise in any case.






share|cite|improve this answer









$endgroup$



The names row variable and column variable work fine for me, if indeed names are needed at all. It is perhaps more common, and typically more helpful, to refer to the names of the variables (gender, tree species, enjoyment of movie, attitude to some proposal, or whatever). Which is presented in rows and which in columns is immaterial to the analysis of contingency tables. It's just a matter of which presentation is easier to produce and to read.



If one is a response (outcome, ...) and the other a predictor (covariate, ...) you can always say so. But often the response is the count or frequency itself, as given in the cells of the table, and the margins represent predictors.



Broadly, which variable goes in the rows and which in the columns is a matter of convenience as much as logic or even convention. It is common advice that it is easier to read down columns than to compare across rows.



In practice, however, the shape of the table can dominate decisions. For example, a 2 x 20 table (say) is usually going to be shown as 20 rows x 2 columns, regardless of the contents or meaning of the variables. That applies to displays online and to those in print. (No talk should include a 2 x 20 table....)



The question refers specifically to two-dimensional tables. There does not seem to be much agreement on, or much need for, standard terminology for third or higher dimensions of three- or higher-dimensional tables, which are often best presented otherwise in any case.







share|cite|improve this answer












share|cite|improve this answer



share|cite|improve this answer










answered 57 mins ago









Nick CoxNick Cox

38.4k483128




38.4k483128












  • $begingroup$
    I see your point, fair enough!
    $endgroup$
    – plant
    51 mins ago






  • 1




    $begingroup$
    +10. Nice answer, @Nick Cox. The only thing I'll add is that some fields of study have adopted, as a norm or unspoken rule, certain ways that $2times 2$ tables should be presented within their fields in the literature. For example, in epidemiology, medicine, and public health, "Exposures" or "Risk Factors" are usually placed on the left side of the table (rows) and the Disease or Outcome is usually presented at the top of the table (columns). The same is true for some other fields, but the rows and column are completely interchangeable as you've said..
    $endgroup$
    – StatsStudent
    32 mins ago










  • $begingroup$
    That's a good point. Feel free to edit it into my answer or to add your own.
    $endgroup$
    – Nick Cox
    21 mins ago


















  • $begingroup$
    I see your point, fair enough!
    $endgroup$
    – plant
    51 mins ago






  • 1




    $begingroup$
    +10. Nice answer, @Nick Cox. The only thing I'll add is that some fields of study have adopted, as a norm or unspoken rule, certain ways that $2times 2$ tables should be presented within their fields in the literature. For example, in epidemiology, medicine, and public health, "Exposures" or "Risk Factors" are usually placed on the left side of the table (rows) and the Disease or Outcome is usually presented at the top of the table (columns). The same is true for some other fields, but the rows and column are completely interchangeable as you've said..
    $endgroup$
    – StatsStudent
    32 mins ago










  • $begingroup$
    That's a good point. Feel free to edit it into my answer or to add your own.
    $endgroup$
    – Nick Cox
    21 mins ago
















$begingroup$
I see your point, fair enough!
$endgroup$
– plant
51 mins ago




$begingroup$
I see your point, fair enough!
$endgroup$
– plant
51 mins ago




1




1




$begingroup$
+10. Nice answer, @Nick Cox. The only thing I'll add is that some fields of study have adopted, as a norm or unspoken rule, certain ways that $2times 2$ tables should be presented within their fields in the literature. For example, in epidemiology, medicine, and public health, "Exposures" or "Risk Factors" are usually placed on the left side of the table (rows) and the Disease or Outcome is usually presented at the top of the table (columns). The same is true for some other fields, but the rows and column are completely interchangeable as you've said..
$endgroup$
– StatsStudent
32 mins ago




$begingroup$
+10. Nice answer, @Nick Cox. The only thing I'll add is that some fields of study have adopted, as a norm or unspoken rule, certain ways that $2times 2$ tables should be presented within their fields in the literature. For example, in epidemiology, medicine, and public health, "Exposures" or "Risk Factors" are usually placed on the left side of the table (rows) and the Disease or Outcome is usually presented at the top of the table (columns). The same is true for some other fields, but the rows and column are completely interchangeable as you've said..
$endgroup$
– StatsStudent
32 mins ago












$begingroup$
That's a good point. Feel free to edit it into my answer or to add your own.
$endgroup$
– Nick Cox
21 mins ago




$begingroup$
That's a good point. Feel free to edit it into my answer or to add your own.
$endgroup$
– Nick Cox
21 mins ago


















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