KNN
KNN
is available in the Statistics Base Edition.
The KNN
command performs Nearest Neighbor analysis.
KNN [dependent variable [(MLEVEL = {S})]]
{O}
{N}
[BY factor-list] [WITH covariate-list]
[/EXCEPT VARIABLES = varlist]
[/CASELABELS VARIABLE = varname]
[/FOCALCASES VARIABLE = varname]
[/RESCALE [COVARIATE = {ADJNORMALIZED**}]]
{NONE }
[/PARTITION {TRAINING = {70** } HOLDOUT = {30** }}]
{integer} {integer}
{VARIABLE = varname }
[/MODEL [METRIC = {EUCLID** }]
{CITYBLOCK}
[NEIGHBORS = {FIXED**} [(K={3** }) ]]
{integer}
{AUTO } [(KMIN={3 }, KMAX={5 })]
{integer} {integer}
[FEATURES = {ALL**} ]
{AUTO } [(FORCE = variable [variable ...])]
[/CRITERIA [NUMFEATURES = {AUTO** }]
{FIXED(integer) }
{ERRORRATIO(MINCHANGE={0.01 })}
{value}
[PREDICTED = {MEAN**}]
{MEDIAN}
[WEIGHTFEATURES = {NO**}]
{YES }
[/CROSSVALIDATION {FOLDS = {10** } }]
{integer}
{VARIABLE = varname}
[/MISSING USERMISSING = {EXCLUDE**}]
{INCLUDE }
[/VIEWMODEL [DISPLAY = {YES**}]]
{NO }
[/PRINT [CPS**] [NONE]]
[/SAVE [PREDVAL[(varname)]] ]
[PREDPROB[(rootname)]]
[PARTITION[(varname)]]
[FOLD[(varname)]]
[MAXCAT({25** })]
{integer}
[/OUTFILE [MODEL ='filename'] ]
[FOCALCASES = 'savfile' | 'dataset'].
** Default if the subcommand or keyword is omitted.
This command reads the active dataset and causes execution of any pending commands. See the topic Command Order for more information.
Syntax for
the KNN
command can be generated from the Nearest Neighbor Analysis dialog.
Release History
Release 17.0
- Command introduced.
Example
KNN DepVar BY A B C WITH X Y Z.