Wolfram Language Paclet Repository
Community-contributed installable additions to the Wolfram Language
AntonAntonov`DataReshapers`
CrossTabulationMatrixQ |
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Details and Options
Examples
(1)
Basic Examples
(1)
Here is random full array with two columns:
In[1]:=
data=Map[ToString,RandomInteger[3,{30,2}],{-1}];Dimensions[data]
Out[1]=
{30,2}
In[2]:=
ds=
[data]
 | CrossTabulate |
Out[2]=
The table above is not a contingency matrix:
In[3]:=
| CrossTabulationMatrixQ |
Out[3]=
False
Here is a contingency matrix:
In[4]:=
m=
[data,"Sparse"True]
| CrossTabulate |
Out[4]=
SparseMatrixSparseArray
,RowNames{0,1,2,3},ColumnNames{0,1,2,3}
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The expression obtained above is a contingency matrix:
In[5]:=
| CrossTabulationMatrixQ |
Out[5]=
True
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""