diff --git a/analysis/matlab/variations/naive_a2_d0_13/learning_curve.png b/analysis/matlab/variations/naive_a2_d0_13/learning_curve.png
index ff29a1e..2ae5269 100644
Binary files a/analysis/matlab/variations/naive_a2_d0_13/learning_curve.png and b/analysis/matlab/variations/naive_a2_d0_13/learning_curve.png differ
diff --git a/analysis/matlab/variations/naive_a2_d0_13/learning_curve_rate.png b/analysis/matlab/variations/naive_a2_d0_13/learning_curve_rate.png
index 6ea1e7a..db1045b 100644
Binary files a/analysis/matlab/variations/naive_a2_d0_13/learning_curve_rate.png and b/analysis/matlab/variations/naive_a2_d0_13/learning_curve_rate.png differ
diff --git a/analysis/matlab/variations/naive_a2_d0_13/plotcurve.m b/analysis/matlab/variations/naive_a2_d0_13/plotcurve.m
index 1f090e6..a9dba8b 100644
--- a/analysis/matlab/variations/naive_a2_d0_13/plotcurve.m
+++ b/analysis/matlab/variations/naive_a2_d0_13/plotcurve.m
@@ -46,9 +46,18 @@ set(gca, 'XTick', xd, 'XTickLabel', {}, 'Position', [0.2 0.30 0.60 0.60], ...
 xticklabels('auto')
 set(gca, 'XTickLabelRotation', 0);   % keep x labels horizontal (no auto-rotate)
 xlim([min(xd) - 0.5, max(xd) + 0.5]); % half-day padding so points aren't on the edges
-if strcmp(metric, 'count')       % success count: y-ticks every 5 units
+if strcmp(metric, 'count')       % count: tick every 5, but label only every 10
     yl = ylim(gca);
-    set(gca, 'YTick', floor(yl(1) / 5) * 5 : 5 : ceil(yl(2) / 5) * 5);
+    yt = floor(yl(1) / 5) * 5 : 5 : ceil(yl(2) / 5) * 5;
+    lbl = cell(1, numel(yt));
+    for k = 1:numel(yt)
+        if mod(yt(k), 10) == 0; lbl{k} = num2str(yt(k)); else; lbl{k} = ''; end
+    end
+    set(gca, 'YTick', yt, 'YTickLabel', lbl);
+else                             % rate: fine minor tick marks every 0.02 (no labels)
+    yl = ylim(gca);
+    set(gca, 'YMinorTick', 'on');
+    ax = gca; ax.YAxis.MinorTickValues = 0 : 0.02 : ceil(yl(2) / 0.02) * 0.02;
 end
 grid on
 % Add breathing room between the y-axis label and the tick numbers.
diff --git a/analysis/matlab/variations/naive_a2_d0_5/learning_curve.png b/analysis/matlab/variations/naive_a2_d0_5/learning_curve.png
index 60184b8..4009d77 100644
Binary files a/analysis/matlab/variations/naive_a2_d0_5/learning_curve.png and b/analysis/matlab/variations/naive_a2_d0_5/learning_curve.png differ
diff --git a/analysis/matlab/variations/naive_a2_d0_5/learning_curve_rate.png b/analysis/matlab/variations/naive_a2_d0_5/learning_curve_rate.png
index aa80fe6..0d211af 100644
Binary files a/analysis/matlab/variations/naive_a2_d0_5/learning_curve_rate.png and b/analysis/matlab/variations/naive_a2_d0_5/learning_curve_rate.png differ
diff --git a/analysis/matlab/variations/naive_a2_d0_5/plotcurve.m b/analysis/matlab/variations/naive_a2_d0_5/plotcurve.m
index 1f090e6..a9dba8b 100644
--- a/analysis/matlab/variations/naive_a2_d0_5/plotcurve.m
+++ b/analysis/matlab/variations/naive_a2_d0_5/plotcurve.m
@@ -46,9 +46,18 @@ set(gca, 'XTick', xd, 'XTickLabel', {}, 'Position', [0.2 0.30 0.60 0.60], ...
 xticklabels('auto')
 set(gca, 'XTickLabelRotation', 0);   % keep x labels horizontal (no auto-rotate)
 xlim([min(xd) - 0.5, max(xd) + 0.5]); % half-day padding so points aren't on the edges
-if strcmp(metric, 'count')       % success count: y-ticks every 5 units
+if strcmp(metric, 'count')       % count: tick every 5, but label only every 10
     yl = ylim(gca);
-    set(gca, 'YTick', floor(yl(1) / 5) * 5 : 5 : ceil(yl(2) / 5) * 5);
+    yt = floor(yl(1) / 5) * 5 : 5 : ceil(yl(2) / 5) * 5;
+    lbl = cell(1, numel(yt));
+    for k = 1:numel(yt)
+        if mod(yt(k), 10) == 0; lbl{k} = num2str(yt(k)); else; lbl{k} = ''; end
+    end
+    set(gca, 'YTick', yt, 'YTickLabel', lbl);
+else                             % rate: fine minor tick marks every 0.02 (no labels)
+    yl = ylim(gca);
+    set(gca, 'YMinorTick', 'on');
+    ax = gca; ax.YAxis.MinorTickValues = 0 : 0.02 : ceil(yl(2) / 0.02) * 0.02;
 end
 grid on
 % Add breathing room between the y-axis label and the tick numbers.
diff --git a/analysis/matlab/variations/naive_a2_d6_10/learning_curve.png b/analysis/matlab/variations/naive_a2_d6_10/learning_curve.png
index b3c3a6f..0560fbd 100644
Binary files a/analysis/matlab/variations/naive_a2_d6_10/learning_curve.png and b/analysis/matlab/variations/naive_a2_d6_10/learning_curve.png differ
diff --git a/analysis/matlab/variations/naive_a2_d6_10/learning_curve_rate.png b/analysis/matlab/variations/naive_a2_d6_10/learning_curve_rate.png
index dc5cb39..997229d 100644
Binary files a/analysis/matlab/variations/naive_a2_d6_10/learning_curve_rate.png and b/analysis/matlab/variations/naive_a2_d6_10/learning_curve_rate.png differ
diff --git a/analysis/matlab/variations/naive_a2_d6_10/plotcurve.m b/analysis/matlab/variations/naive_a2_d6_10/plotcurve.m
index 1f090e6..a9dba8b 100644
--- a/analysis/matlab/variations/naive_a2_d6_10/plotcurve.m
+++ b/analysis/matlab/variations/naive_a2_d6_10/plotcurve.m
@@ -46,9 +46,18 @@ set(gca, 'XTick', xd, 'XTickLabel', {}, 'Position', [0.2 0.30 0.60 0.60], ...
 xticklabels('auto')
 set(gca, 'XTickLabelRotation', 0);   % keep x labels horizontal (no auto-rotate)
 xlim([min(xd) - 0.5, max(xd) + 0.5]); % half-day padding so points aren't on the edges
-if strcmp(metric, 'count')       % success count: y-ticks every 5 units
+if strcmp(metric, 'count')       % count: tick every 5, but label only every 10
     yl = ylim(gca);
-    set(gca, 'YTick', floor(yl(1) / 5) * 5 : 5 : ceil(yl(2) / 5) * 5);
+    yt = floor(yl(1) / 5) * 5 : 5 : ceil(yl(2) / 5) * 5;
+    lbl = cell(1, numel(yt));
+    for k = 1:numel(yt)
+        if mod(yt(k), 10) == 0; lbl{k} = num2str(yt(k)); else; lbl{k} = ''; end
+    end
+    set(gca, 'YTick', yt, 'YTickLabel', lbl);
+else                             % rate: fine minor tick marks every 0.02 (no labels)
+    yl = ylim(gca);
+    set(gca, 'YMinorTick', 'on');
+    ax = gca; ax.YAxis.MinorTickValues = 0 : 0.02 : ceil(yl(2) / 0.02) * 0.02;
 end
 grid on
 % Add breathing room between the y-axis label and the tick numbers.
diff --git a/analysis/matlab/variations/naive_a2_d6_13/learning_curve.png b/analysis/matlab/variations/naive_a2_d6_13/learning_curve.png
index b60c00c..53cce50 100644
Binary files a/analysis/matlab/variations/naive_a2_d6_13/learning_curve.png and b/analysis/matlab/variations/naive_a2_d6_13/learning_curve.png differ
diff --git a/analysis/matlab/variations/naive_a2_d6_13/learning_curve_rate.png b/analysis/matlab/variations/naive_a2_d6_13/learning_curve_rate.png
index 9e6b035..82356cd 100644
Binary files a/analysis/matlab/variations/naive_a2_d6_13/learning_curve_rate.png and b/analysis/matlab/variations/naive_a2_d6_13/learning_curve_rate.png differ
diff --git a/analysis/matlab/variations/naive_a2_d6_13/plotcurve.m b/analysis/matlab/variations/naive_a2_d6_13/plotcurve.m
index 1f090e6..a9dba8b 100644
--- a/analysis/matlab/variations/naive_a2_d6_13/plotcurve.m
+++ b/analysis/matlab/variations/naive_a2_d6_13/plotcurve.m
@@ -46,9 +46,18 @@ set(gca, 'XTick', xd, 'XTickLabel', {}, 'Position', [0.2 0.30 0.60 0.60], ...
 xticklabels('auto')
 set(gca, 'XTickLabelRotation', 0);   % keep x labels horizontal (no auto-rotate)
 xlim([min(xd) - 0.5, max(xd) + 0.5]); % half-day padding so points aren't on the edges
-if strcmp(metric, 'count')       % success count: y-ticks every 5 units
+if strcmp(metric, 'count')       % count: tick every 5, but label only every 10
     yl = ylim(gca);
-    set(gca, 'YTick', floor(yl(1) / 5) * 5 : 5 : ceil(yl(2) / 5) * 5);
+    yt = floor(yl(1) / 5) * 5 : 5 : ceil(yl(2) / 5) * 5;
+    lbl = cell(1, numel(yt));
+    for k = 1:numel(yt)
+        if mod(yt(k), 10) == 0; lbl{k} = num2str(yt(k)); else; lbl{k} = ''; end
+    end
+    set(gca, 'YTick', yt, 'YTickLabel', lbl);
+else                             % rate: fine minor tick marks every 0.02 (no labels)
+    yl = ylim(gca);
+    set(gca, 'YMinorTick', 'on');
+    ax = gca; ax.YAxis.MinorTickValues = 0 : 0.02 : ceil(yl(2) / 0.02) * 0.02;
 end
 grid on
 % Add breathing room between the y-axis label and the tick numbers.
diff --git a/analysis/matlab/variations/naive_boxa_d0_10/learning_curve.png b/analysis/matlab/variations/naive_boxa_d0_10/learning_curve.png
index ae1038f..0f1f8f8 100644
Binary files a/analysis/matlab/variations/naive_boxa_d0_10/learning_curve.png and b/analysis/matlab/variations/naive_boxa_d0_10/learning_curve.png differ
diff --git a/analysis/matlab/variations/naive_boxa_d0_10/learning_curve_rate.png b/analysis/matlab/variations/naive_boxa_d0_10/learning_curve_rate.png
index dce6c21..9546047 100644
Binary files a/analysis/matlab/variations/naive_boxa_d0_10/learning_curve_rate.png and b/analysis/matlab/variations/naive_boxa_d0_10/learning_curve_rate.png differ
diff --git a/analysis/matlab/variations/naive_boxa_d0_10/plotcurve.m b/analysis/matlab/variations/naive_boxa_d0_10/plotcurve.m
index 1f090e6..a9dba8b 100644
--- a/analysis/matlab/variations/naive_boxa_d0_10/plotcurve.m
+++ b/analysis/matlab/variations/naive_boxa_d0_10/plotcurve.m
@@ -46,9 +46,18 @@ set(gca, 'XTick', xd, 'XTickLabel', {}, 'Position', [0.2 0.30 0.60 0.60], ...
 xticklabels('auto')
 set(gca, 'XTickLabelRotation', 0);   % keep x labels horizontal (no auto-rotate)
 xlim([min(xd) - 0.5, max(xd) + 0.5]); % half-day padding so points aren't on the edges
-if strcmp(metric, 'count')       % success count: y-ticks every 5 units
+if strcmp(metric, 'count')       % count: tick every 5, but label only every 10
     yl = ylim(gca);
-    set(gca, 'YTick', floor(yl(1) / 5) * 5 : 5 : ceil(yl(2) / 5) * 5);
+    yt = floor(yl(1) / 5) * 5 : 5 : ceil(yl(2) / 5) * 5;
+    lbl = cell(1, numel(yt));
+    for k = 1:numel(yt)
+        if mod(yt(k), 10) == 0; lbl{k} = num2str(yt(k)); else; lbl{k} = ''; end
+    end
+    set(gca, 'YTick', yt, 'YTickLabel', lbl);
+else                             % rate: fine minor tick marks every 0.02 (no labels)
+    yl = ylim(gca);
+    set(gca, 'YMinorTick', 'on');
+    ax = gca; ax.YAxis.MinorTickValues = 0 : 0.02 : ceil(yl(2) / 0.02) * 0.02;
 end
 grid on
 % Add breathing room between the y-axis label and the tick numbers.
diff --git a/analysis/matlab/variations/naive_boxa_d0_13/learning_curve.png b/analysis/matlab/variations/naive_boxa_d0_13/learning_curve.png
index ab3caa6..b7f0140 100644
Binary files a/analysis/matlab/variations/naive_boxa_d0_13/learning_curve.png and b/analysis/matlab/variations/naive_boxa_d0_13/learning_curve.png differ
diff --git a/analysis/matlab/variations/naive_boxa_d0_13/learning_curve_rate.png b/analysis/matlab/variations/naive_boxa_d0_13/learning_curve_rate.png
index 8ede890..b1fc2f9 100644
Binary files a/analysis/matlab/variations/naive_boxa_d0_13/learning_curve_rate.png and b/analysis/matlab/variations/naive_boxa_d0_13/learning_curve_rate.png differ
diff --git a/analysis/matlab/variations/naive_boxa_d0_13/plotcurve.m b/analysis/matlab/variations/naive_boxa_d0_13/plotcurve.m
index 1f090e6..a9dba8b 100644
--- a/analysis/matlab/variations/naive_boxa_d0_13/plotcurve.m
+++ b/analysis/matlab/variations/naive_boxa_d0_13/plotcurve.m
@@ -46,9 +46,18 @@ set(gca, 'XTick', xd, 'XTickLabel', {}, 'Position', [0.2 0.30 0.60 0.60], ...
 xticklabels('auto')
 set(gca, 'XTickLabelRotation', 0);   % keep x labels horizontal (no auto-rotate)
 xlim([min(xd) - 0.5, max(xd) + 0.5]); % half-day padding so points aren't on the edges
-if strcmp(metric, 'count')       % success count: y-ticks every 5 units
+if strcmp(metric, 'count')       % count: tick every 5, but label only every 10
     yl = ylim(gca);
-    set(gca, 'YTick', floor(yl(1) / 5) * 5 : 5 : ceil(yl(2) / 5) * 5);
+    yt = floor(yl(1) / 5) * 5 : 5 : ceil(yl(2) / 5) * 5;
+    lbl = cell(1, numel(yt));
+    for k = 1:numel(yt)
+        if mod(yt(k), 10) == 0; lbl{k} = num2str(yt(k)); else; lbl{k} = ''; end
+    end
+    set(gca, 'YTick', yt, 'YTickLabel', lbl);
+else                             % rate: fine minor tick marks every 0.02 (no labels)
+    yl = ylim(gca);
+    set(gca, 'YMinorTick', 'on');
+    ax = gca; ax.YAxis.MinorTickValues = 0 : 0.02 : ceil(yl(2) / 0.02) * 0.02;
 end
 grid on
 % Add breathing room between the y-axis label and the tick numbers.
diff --git a/analysis/matlab/variations/naive_boxa_d0_5/learning_curve.png b/analysis/matlab/variations/naive_boxa_d0_5/learning_curve.png
index 7890cc3..a8a1dee 100644
Binary files a/analysis/matlab/variations/naive_boxa_d0_5/learning_curve.png and b/analysis/matlab/variations/naive_boxa_d0_5/learning_curve.png differ
diff --git a/analysis/matlab/variations/naive_boxa_d0_5/learning_curve_rate.png b/analysis/matlab/variations/naive_boxa_d0_5/learning_curve_rate.png
index f90d23c..0f294c3 100644
Binary files a/analysis/matlab/variations/naive_boxa_d0_5/learning_curve_rate.png and b/analysis/matlab/variations/naive_boxa_d0_5/learning_curve_rate.png differ
diff --git a/analysis/matlab/variations/naive_boxa_d0_5/plotcurve.m b/analysis/matlab/variations/naive_boxa_d0_5/plotcurve.m
index 1f090e6..a9dba8b 100644
--- a/analysis/matlab/variations/naive_boxa_d0_5/plotcurve.m
+++ b/analysis/matlab/variations/naive_boxa_d0_5/plotcurve.m
@@ -46,9 +46,18 @@ set(gca, 'XTick', xd, 'XTickLabel', {}, 'Position', [0.2 0.30 0.60 0.60], ...
 xticklabels('auto')
 set(gca, 'XTickLabelRotation', 0);   % keep x labels horizontal (no auto-rotate)
 xlim([min(xd) - 0.5, max(xd) + 0.5]); % half-day padding so points aren't on the edges
-if strcmp(metric, 'count')       % success count: y-ticks every 5 units
+if strcmp(metric, 'count')       % count: tick every 5, but label only every 10
     yl = ylim(gca);
-    set(gca, 'YTick', floor(yl(1) / 5) * 5 : 5 : ceil(yl(2) / 5) * 5);
+    yt = floor(yl(1) / 5) * 5 : 5 : ceil(yl(2) / 5) * 5;
+    lbl = cell(1, numel(yt));
+    for k = 1:numel(yt)
+        if mod(yt(k), 10) == 0; lbl{k} = num2str(yt(k)); else; lbl{k} = ''; end
+    end
+    set(gca, 'YTick', yt, 'YTickLabel', lbl);
+else                             % rate: fine minor tick marks every 0.02 (no labels)
+    yl = ylim(gca);
+    set(gca, 'YMinorTick', 'on');
+    ax = gca; ax.YAxis.MinorTickValues = 0 : 0.02 : ceil(yl(2) / 0.02) * 0.02;
 end
 grid on
 % Add breathing room between the y-axis label and the tick numbers.
diff --git a/analysis/matlab/variations/naive_boxa_d6_10/learning_curve.png b/analysis/matlab/variations/naive_boxa_d6_10/learning_curve.png
index d9f280a..ea65f96 100644
Binary files a/analysis/matlab/variations/naive_boxa_d6_10/learning_curve.png and b/analysis/matlab/variations/naive_boxa_d6_10/learning_curve.png differ
diff --git a/analysis/matlab/variations/naive_boxa_d6_10/learning_curve_rate.png b/analysis/matlab/variations/naive_boxa_d6_10/learning_curve_rate.png
index 9ff844c..eb452e2 100644
Binary files a/analysis/matlab/variations/naive_boxa_d6_10/learning_curve_rate.png and b/analysis/matlab/variations/naive_boxa_d6_10/learning_curve_rate.png differ
diff --git a/analysis/matlab/variations/naive_boxa_d6_10/plotcurve.m b/analysis/matlab/variations/naive_boxa_d6_10/plotcurve.m
index 1f090e6..a9dba8b 100644
--- a/analysis/matlab/variations/naive_boxa_d6_10/plotcurve.m
+++ b/analysis/matlab/variations/naive_boxa_d6_10/plotcurve.m
@@ -46,9 +46,18 @@ set(gca, 'XTick', xd, 'XTickLabel', {}, 'Position', [0.2 0.30 0.60 0.60], ...
 xticklabels('auto')
 set(gca, 'XTickLabelRotation', 0);   % keep x labels horizontal (no auto-rotate)
 xlim([min(xd) - 0.5, max(xd) + 0.5]); % half-day padding so points aren't on the edges
-if strcmp(metric, 'count')       % success count: y-ticks every 5 units
+if strcmp(metric, 'count')       % count: tick every 5, but label only every 10
     yl = ylim(gca);
-    set(gca, 'YTick', floor(yl(1) / 5) * 5 : 5 : ceil(yl(2) / 5) * 5);
+    yt = floor(yl(1) / 5) * 5 : 5 : ceil(yl(2) / 5) * 5;
+    lbl = cell(1, numel(yt));
+    for k = 1:numel(yt)
+        if mod(yt(k), 10) == 0; lbl{k} = num2str(yt(k)); else; lbl{k} = ''; end
+    end
+    set(gca, 'YTick', yt, 'YTickLabel', lbl);
+else                             % rate: fine minor tick marks every 0.02 (no labels)
+    yl = ylim(gca);
+    set(gca, 'YMinorTick', 'on');
+    ax = gca; ax.YAxis.MinorTickValues = 0 : 0.02 : ceil(yl(2) / 0.02) * 0.02;
 end
 grid on
 % Add breathing room between the y-axis label and the tick numbers.