reporting: @table, @graph: require data to be dynSeries, simplify checks

matlab/reporting/@graph/createGraph.m

@@ -49,10 +49,6 @@ end
 %set(h, 'PaperPositionMode', 'auto');
 %set(h, 'units', 'normalized', 'outerposition', [0 0 1 1]);
 
-if length(o.data) > 1
-    o.data = [o.data{:}];
-end
-
 if isempty(o.seriestouse)
     ds = o.data;
 else

matlab/reporting/@graph/graph.m

@@ -112,26 +112,10 @@ assert(isempty(o.yrange) || (isfloat(o.yrange) && length(o.yrange) == 2 && ...
                              o.yrange(1) < o.yrange(2)), ...
        ['@graph.graph: yrange is specified an array with two float entries, ' ...
         'the lower bound and upper bound.']);
-
-assert(~isempty(o.data), '@graph.graph: must provide data');
-msg = ['@graph.graph: data must either be a dynSeries or a cell array of ' ...
-       'dynSeries'];
-if length(o.data) == 1
-    assert(isa(o.data, 'dynSeries'), msg);
-else
-    assert(iscell(o.data), msg);
-    for i=1:length(o.data)
-        assert(isa(o.data{i}, 'dynSeries'), msg);
-    end
-end
-
-msg = ['@graph.graph: series to use must be a cell array of string(s)'];
-if ~isempty(o.seriestouse)
-    assert(iscell(o.seriestouse), msg);
-    for i=1:length(o.seriestouse)
-        assert(ischar(o.seriestouse{i}), msg);
-    end
-end
+assert(~isempty(o.data) && isa(o.data, 'dynSeries'), ['@graph.graph: must ' ...
+                    'provide data as a dynSeries']);
+assert(isempty(o.seriestouse) || iscellstr(o.seriestouse), ['@graph.graph: ' ...
+                    'series to use must be a cell array of string(s)']);
 
 % Create graph object
 o = class(o, 'graph');

matlab/reporting/@table/table.m

@@ -78,26 +78,10 @@ assert(isint(o.precision), '@table.table: precision must be an int');
 assert(isempty(o.range) || (isa(o.range, 'dynDates') && o.range.ndat >= 2), ...
        ['@table.table: range is specified as a dynDates range, e.g. ' ...
         '''dynDates(''1999q1''):dynDates(''1999q3'')''.']);
-
-assert(~isempty(o.data), '@table.table: must provide data');
-msg = ['@table.table: data must either be a dynSeries or a cell array of ' ...
-       'dynSeries'];
-if length(o.data) == 1
-    assert(isa(o.data, 'dynSeries'), msg);
-else
-    assert(iscell(o.data), msg);
-    for i=1:length(o.data)
-        assert(isa(o.data{i}, 'dynSeries'), msg);
-    end
-end
-
-msg = ['@table.table: series to use must be a cell array of string(s)'];
-if ~isempty(o.seriestouse)
-    assert(iscell(o.seriestouse), msg);
-    for i=1:length(o.seriestouse)
-        assert(ischar(o.seriestouse{i}), msg);
-    end
-end
+assert(~isempty(o.data) && isa(o.data, 'dynSeries'), ['@table.table: must ' ...
+                    'provide data as a dynSeries']);
+assert(isempty(o.seriestouse) || iscellstr(o.seriestouse), ['@table.table: ' ...
+                    'series to use must be a cell array of string(s)']);
 
 % Create table object
 o = class(o, 'table');