correct coding style in demo file

coding style fix in demo file

Author: AvanishSalunke

inst/demos/cvpartition.summary

@@ -3,31 +3,32 @@
 %! Region = [repmat({"North"}, 20, 1); repmat({"South"}, 15, 1); repmat({"East"}, 15, 1); repmat({"West"}, 20, 1)];
 %! 
 %! Success = [repmat({"Success"}, 49, 1); repmat({"Fail"}, 21, 1)];
-%! Success = Success(randperm(70));
+%! Success = Success(randperm (70));
 %! 
-%! Tbl = table(Region, Success);
+%! Tbl = table (Region, Success);
 %! 
 %! ## Grouped K-Fold Partition (GroupingVariables = Region)
-%! c_group = cvpartition(height(Tbl), 'KFold', 4, 'GroupingVariables', Tbl.Region);
-%! summaryGroup = summary(c_group)
+%! c_group = cvpartition (height (Tbl), 'KFold', 4, 'GroupingVariables', Tbl.Region);
+%! summaryGroup = summary (c_group)
 
 %!demo
 %! ## Stratified K-Fold Partition (Stratification Variable = Success)
-%! c_strat = cvpartition(Tbl.Success, 'KFold', 5);
-%! summaryStrat = summary(c_strat)
+%! c_strat = cvpartition (Tbl.Success, 'KFold', 5);
+%! summaryStrat = summary (c_strat)
 
 %!demo
 %! ## Filtering by Exact Set Name ('test1')
 %! ## (Uses summaryStrat from the previous block)
-%! summaryTest1 = summaryStrat(strcmp(cellstr(summaryStrat.Set), "test1"), :)
+%! summaryTest1 = summaryStrat (strcmp (summaryStrat.Set, "test1"), :)
 
 %!demo
 %! ## Filtering by Partial Match (equivalent to 'contains("test")')
-%! is_test = ~cellfun('isempty', strfind(cellstr(summaryStrat.Set), "test"));
-%! testSummaryTbl = summaryStrat(is_test, :)
+%! is_test = ! cellfun ('isempty', strfind (cellstr (summaryStrat.Set), "test"));
+%! testSummaryTbl = summaryStrat (is_test, :)
 
 %!demo
 %! ## Unstacking (Pivoting) the Stratified Table
 %! 
 %! ## Unstack: Pivot 'StratificationLabel' (Success/Fail) into new columns, 
-%! speciesSummaryTbl = unstack(summaryStrat(:,1:4), "StratificationCount", "StratificationLabel")
+%! ## using 'StratificationCount' as values.
+%! speciesSummaryTbl = unstack (summaryStrat (:, 1:4), "StratificationCount", "StratificationLabel")