diff --git a/plots/violin-basic/implementations/highcharts.py b/plots/violin-basic/implementations/highcharts.py
index 23874223ce..9a2a99f63b 100644
--- a/plots/violin-basic/implementations/highcharts.py
+++ b/plots/violin-basic/implementations/highcharts.py
@@ -1,7 +1,7 @@
""" pyplots.ai
violin-basic: Basic Violin Plot
-Library: highcharts unknown | Python 3.13.11
-Quality: 91/100 | Created: 2025-12-23
+Library: highcharts 1.10.3 | Python 3.14.3
+Quality: 92/100 | Updated: 2026-02-21
"""
import tempfile
@@ -13,145 +13,228 @@
from highcharts_core.chart import Chart
from highcharts_core.options import HighchartsOptions
from highcharts_core.options.series.polygon import PolygonSeries
-from highcharts_core.options.series.scatter import ScatterSeries
from scipy.stats import gaussian_kde
from selenium import webdriver
from selenium.webdriver.chrome.options import Options
-# Data - generate sample distributions for 4 categories
+# Data - test scores across 4 study groups with distinct distributions
np.random.seed(42)
-categories = ["Group A", "Group B", "Group C", "Group D"]
-colors = ["#306998", "#FFD43B", "#9467BD", "#17BECF"]
+categories = ["Control", "Tutorial", "Self-Study", "Intensive"]
+colors = ["#306998", "#E5AB00", "#9467BD", "#17BECF"]
-# Generate data with different distributions
raw_data = {
- "Group A": np.random.normal(50, 12, 200),
- "Group B": np.concatenate([np.random.normal(40, 8, 100), np.random.normal(65, 8, 100)]), # Bimodal
- "Group C": np.random.normal(60, 10, 200),
- "Group D": np.random.exponential(15, 200) + 30, # Skewed
+ "Control": np.random.normal(50, 12, 200),
+ "Tutorial": np.concatenate([np.random.normal(40, 8, 100), np.random.normal(65, 8, 100)]),
+ "Self-Study": np.random.normal(60, 10, 200),
+ "Intensive": np.clip(np.random.exponential(15, 200) + 30, 0, 100),
}
+# RGB values for gradient fills
+colors_rgb = ["48,105,152", "229,171,0", "148,103,189", "23,190,207"]
+
+# Overall mean for reference line
+all_scores = np.concatenate(list(raw_data.values()))
+overall_mean = float(np.mean(all_scores))
+
# Calculate KDE and statistics for each category
-violin_width = 0.35 # Half-width of violin in category units
+violin_width = 0.35
violin_data = []
for i, cat in enumerate(categories):
data = raw_data[cat]
-
- # Compute KDE using scipy
- y_min, y_max = data.min() - 5, data.max() + 5
+ y_min, y_max = data.min() - 3, data.max() + 3
y_grid = np.linspace(y_min, y_max, 100)
kde_func = gaussian_kde(data)
density = kde_func(y_grid)
-
- # Normalize density to fit within violin width
density_norm = density / density.max() * violin_width
- # Statistics for markers
- q1 = np.percentile(data, 25)
- median = np.percentile(data, 50)
- q3 = np.percentile(data, 75)
-
violin_data.append(
{
"category": cat,
"index": i,
"y_grid": y_grid,
"density": density_norm,
- "q1": q1,
- "median": median,
- "q3": q3,
+ "q1": float(np.percentile(data, 25)),
+ "median": float(np.percentile(data, 50)),
+ "q3": float(np.percentile(data, 75)),
+ "mean": float(np.mean(data)),
+ "std": float(np.std(data)),
+ "n": len(data),
"color": colors[i],
+ "rgb": colors_rgb[i],
}
)
-# Create chart
+# Chart
chart = Chart(container="container")
chart.options = HighchartsOptions()
-# Chart configuration
chart.options.chart = {
"type": "scatter",
"width": 4800,
"height": 2700,
"backgroundColor": "#ffffff",
- "marginBottom": 200,
- "marginLeft": 250,
- "marginRight": 100,
+ "plotBorderWidth": 0,
+ "marginBottom": 180,
+ "marginLeft": 240,
+ "marginRight": 80,
+ "marginTop": 200,
+ "animation": {"duration": 1000},
}
-# Title
chart.options.title = {
- "text": "violin-basic · highcharts · pyplots.ai",
- "style": {"fontSize": "84px", "fontWeight": "bold"},
+ "text": "violin-basic \u00b7 highcharts \u00b7 pyplots.ai",
+ "style": {"fontSize": "72px", "fontWeight": "bold", "color": "#333333"},
+}
+
+chart.options.subtitle = {
+ "text": "Distribution of scores across 200 students per group",
+ "style": {"fontSize": "44px", "fontWeight": "normal", "color": "#777777"},
}
-# X-axis (categories)
chart.options.x_axis = {
- "title": {"text": "Study Group", "style": {"fontSize": "56px"}},
- "labels": {"style": {"fontSize": "44px"}, "format": "{value}"},
+ "title": {"text": "Study Group", "style": {"fontSize": "52px", "color": "#555555"}},
+ "labels": {"style": {"fontSize": "44px", "color": "#555555"}},
"min": -0.5,
"max": 3.5,
"tickPositions": [0, 1, 2, 3],
"categories": categories,
- "lineWidth": 2,
+ "lineWidth": 0,
+ "tickLength": 0,
+ "crosshair": {"width": 2, "color": "rgba(0, 0, 0, 0.15)", "dashStyle": "Dash"},
}
-# Y-axis (values)
chart.options.y_axis = {
- "title": {"text": "Test Score (points)", "style": {"fontSize": "56px"}},
- "labels": {"style": {"fontSize": "44px"}},
+ "title": {"text": "Test Score (points)", "style": {"fontSize": "52px", "color": "#555555"}},
+ "labels": {"style": {"fontSize": "44px", "color": "#555555"}},
"gridLineWidth": 1,
- "gridLineColor": "rgba(0, 0, 0, 0.15)",
+ "gridLineColor": "rgba(0, 0, 0, 0.08)",
+ "lineWidth": 0,
+ "min": 0,
+ "max": 105,
+ "tickInterval": 10,
+ "crosshair": {"width": 1, "color": "rgba(0, 0, 0, 0.12)", "dashStyle": "Dot"},
+ "plotLines": [
+ {
+ "value": overall_mean,
+ "color": "rgba(0, 0, 0, 0.22)",
+ "dashStyle": "LongDash",
+ "width": 3,
+ "zIndex": 3,
+ "label": {
+ "text": f"Overall Mean ({overall_mean:.0f})",
+ "style": {"fontSize": "32px", "color": "rgba(0, 0, 0, 0.40)", "fontStyle": "italic"},
+ "align": "right",
+ "x": -15,
+ "y": -10,
+ },
+ }
+ ],
+}
+
+chart.options.legend = {
+ "enabled": True,
+ "itemStyle": {"fontSize": "40px", "color": "#555555"},
+ "verticalAlign": "top",
+ "align": "right",
+ "layout": "vertical",
+ "x": -20,
+ "y": 80,
+ "floating": True,
}
-# Legend
-chart.options.legend = {"enabled": True, "itemStyle": {"fontSize": "44px"}}
+chart.options.credits = {"enabled": False}
+
+chart.options.tooltip = {
+ "enabled": True,
+ "shared": False,
+ "useHTML": True,
+ "style": {"fontSize": "28px"},
+ "headerFormat": "",
+ "backgroundColor": "rgba(255, 255, 255, 0.95)",
+ "borderColor": "#cccccc",
+ "borderRadius": 8,
+ "shadow": {"color": "rgba(0,0,0,0.15)", "offsetX": 2, "offsetY": 2, "width": 4},
+}
-# Plot options
chart.options.plot_options = {
- "polygon": {"lineWidth": 3, "fillOpacity": 0.6, "enableMouseTracking": True},
- "scatter": {"marker": {"radius": 20, "symbol": "circle"}, "zIndex": 10},
+ "polygon": {
+ "lineWidth": 2,
+ "fillOpacity": 1.0,
+ "enableMouseTracking": True,
+ "animation": True,
+ "states": {"hover": {"lineWidth": 3, "brightness": 0.1}, "inactive": {"opacity": 0.4}},
+ },
+ "scatter": {"marker": {"radius": 18, "symbol": "circle"}, "zIndex": 10, "enableMouseTracking": True},
+ "series": {"animation": {"duration": 1200, "easing": "easeOutBounce"}},
}
-# Add violin shapes as polygon series
+# Violin shapes as polygon series with tooltip showing statistics
for v in violin_data:
- # Create polygon points for the violin shape
- # Go up the right side, then down the left side to form a closed shape
polygon_points = []
-
- # Right side (positive x offset from center)
for y_val, dens in zip(v["y_grid"], v["density"], strict=True):
polygon_points.append([float(v["index"] + dens), float(y_val)])
-
- # Left side (negative x offset from center) - reversed to close the polygon
for j in range(len(v["y_grid"]) - 1, -1, -1):
- y_val = v["y_grid"][j]
- dens = v["density"][j]
- polygon_points.append([float(v["index"] - dens), float(y_val)])
+ polygon_points.append([float(v["index"] - v["density"][j]), float(v["y_grid"][j])])
+
+ is_featured = v["category"] == "Tutorial"
+ center_alpha = "0.70" if is_featured else "0.55"
+ edge_alpha = "0.20" if is_featured else "0.12"
series = PolygonSeries()
series.data = polygon_points
series.name = v["category"]
series.color = v["color"]
- series.fill_color = v["color"]
- series.fill_opacity = 0.6
+ series.fill_color = {
+ "linearGradient": {"x1": 0, "y1": 0, "x2": 1, "y2": 0},
+ "stops": [
+ [0, f"rgba({v['rgb']},{edge_alpha})"],
+ [0.5, f"rgba({v['rgb']},{center_alpha})"],
+ [1, f"rgba({v['rgb']},{edge_alpha})"],
+ ],
+ }
+ series.fill_opacity = 1.0
+ series.line_width = 3 if is_featured else 2
+ series.tooltip = {
+ "pointFormat": (
+ f''
+ f"{v['category']}
"
+ f"n = {v['n']}
"
+ f"Mean: {v['mean']:.1f}
"
+ f"Median: {v['median']:.1f}
"
+ f"Q1: {v['q1']:.1f} | Q3: {v['q3']:.1f}
"
+ f"Std Dev: {v['std']:.1f}"
+ )
+ }
chart.add_series(series)
-# Add median markers as scatter points
-med_series = ScatterSeries()
-med_series.data = [[float(v["index"]), float(v["median"])] for v in violin_data]
-med_series.name = "Median"
-med_series.color = "#FF0000"
-med_series.marker = {"fillColor": "#FF0000", "lineColor": "#000000", "lineWidth": 5, "radius": 22, "symbol": "diamond"}
-med_series.z_index = 20
-chart.add_series(med_series)
-
-# Add quartile box indicators (thin rectangles for IQR)
+# Median lines (horizontal lines across each violin at the median position)
for v in violin_data:
- # Create a thin box for IQR
- box_width = 0.05
+ # Find density at median to determine line width
+ kde_func = gaussian_kde(raw_data[v["category"]])
+ med_density = kde_func(v["median"])[0]
+ max_density = max(kde_func(v["y_grid"]))
+ line_half_width = (med_density / max_density) * violin_width * 0.85
+
+ med_line = PolygonSeries()
+ med_line.data = [
+ [float(v["index"] - line_half_width), float(v["median"])],
+ [float(v["index"] + line_half_width), float(v["median"])],
+ ]
+ med_line.name = "Median" if v["index"] == 0 else f"Median {v['category']}"
+ med_line.show_in_legend = v["index"] == 0
+ med_line.color = "#ffffff"
+ med_line.line_width = 8
+ med_line.fill_opacity = 0
+ med_line.z_index = 15
+ med_line.enable_mouse_tracking = False
+ med_line.marker = {"enabled": False}
+ chart.add_series(med_line)
+
+# IQR boxes (thin rectangles for interquartile range)
+for v in violin_data:
+ box_width = 0.10
box_points = [
[float(v["index"] - box_width), float(v["q1"])],
[float(v["index"] + box_width), float(v["q1"])],
@@ -163,71 +246,71 @@
box_series.data = box_points
box_series.name = f"{v['category']} IQR"
box_series.show_in_legend = False
- box_series.color = "#000000"
- box_series.fill_color = "#000000"
- box_series.fill_opacity = 0.8
+ box_series.color = "#333333"
+ box_series.fill_color = "#333333"
+ box_series.fill_opacity = 0.85
+ box_series.enable_mouse_tracking = False
chart.add_series(box_series)
-# Download Highcharts JS files
-highcharts_url = "https://code.highcharts.com/highcharts.js"
+# Export
+highcharts_url = "https://cdn.jsdelivr.net/npm/highcharts@11/highcharts.js"
with urllib.request.urlopen(highcharts_url, timeout=30) as response:
highcharts_js = response.read().decode("utf-8")
-# Polygon requires highcharts-more.js
-highcharts_more_url = "https://code.highcharts.com/highcharts-more.js"
+highcharts_more_url = "https://cdn.jsdelivr.net/npm/highcharts@11/highcharts-more.js"
with urllib.request.urlopen(highcharts_more_url, timeout=30) as response:
highcharts_more_js = response.read().decode("utf-8")
-# Generate HTML with inline scripts
html_str = chart.to_js_literal()
-html_content = f"""
+
+# plot.html for interactive viewing (CDN links for browser)
+with open("plot.html", "w", encoding="utf-8") as f:
+ standalone_html = f"""
-
-
+
+
-
+
"""
+ f.write(standalone_html)
-# Write temp HTML file
-with tempfile.NamedTemporaryFile(mode="w", suffix=".html", delete=False, encoding="utf-8") as f:
- f.write(html_content)
- temp_path = f.name
-
-# Save HTML for interactive viewing
-with open("plot.html", "w", encoding="utf-8") as f:
- standalone_html = f"""
+# Temp HTML for screenshot (inline JS for headless Chrome)
+html_content = f"""
-
-
+
+
-
+
"""
- f.write(standalone_html)
-# Take screenshot with Selenium
+with tempfile.NamedTemporaryFile(mode="w", suffix=".html", delete=False, encoding="utf-8") as f:
+ f.write(html_content)
+ temp_path = f.name
+
+# Screenshot
chrome_options = Options()
chrome_options.add_argument("--headless")
chrome_options.add_argument("--no-sandbox")
chrome_options.add_argument("--disable-dev-shm-usage")
chrome_options.add_argument("--disable-gpu")
-chrome_options.add_argument("--window-size=5000,3000")
+chrome_options.add_argument("--window-size=4900,2800")
driver = webdriver.Chrome(options=chrome_options)
driver.get(f"file://{temp_path}")
-time.sleep(5) # Wait for chart to render
+time.sleep(5)
container = driver.find_element("id", "container")
container.screenshot("plot.png")
driver.quit()
-Path(temp_path).unlink() # Clean up temp file
+Path(temp_path).unlink()
diff --git a/plots/violin-basic/metadata/highcharts.yaml b/plots/violin-basic/metadata/highcharts.yaml
index 33fba10d6f..2ec103063d 100644
--- a/plots/violin-basic/metadata/highcharts.yaml
+++ b/plots/violin-basic/metadata/highcharts.yaml
@@ -1,224 +1,242 @@
library: highcharts
specification_id: violin-basic
created: '2025-12-23T00:36:59Z'
-updated: '2025-12-23T07:20:01Z'
-generated_by: claude-opus-4-5-20251101
+updated: '2026-02-21T23:13:37Z'
+generated_by: claude-opus-4-6
workflow_run: 20447783582
issue: 0
-python_version: 3.13.11
-library_version: unknown
+python_version: 3.14.3
+library_version: 1.10.3
preview_url: https://storage.googleapis.com/pyplots-images/plots/violin-basic/highcharts/plot.png
preview_thumb: https://storage.googleapis.com/pyplots-images/plots/violin-basic/highcharts/plot_thumb.png
preview_html: https://storage.googleapis.com/pyplots-images/plots/violin-basic/highcharts/plot.html
-quality_score: 91
+quality_score: 92
impl_tags:
dependencies:
- - scipy
- - selenium
+ - scipy
+ - selenium
techniques:
- - html-export
+ - hover-tooltips
+ - html-export
+ - custom-legend
patterns:
- - data-generation
- dataprep: []
- styling: []
+ - data-generation
+ - iteration-over-groups
+ dataprep:
+ - kde
+ styling:
+ - gradient-fill
+ - alpha-blending
+ - grid-styling
review:
strengths:
- - Excellent distribution variety demonstrating violin plot capabilities (normal,
- bimodal, skewed)
- - Clear colorblind-safe color palette with good contrast
- - Proper use of Highcharts PolygonSeries to create violin shapes with KDE
- - Includes median markers and IQR boxes as spec requires
- - Realistic test score scenario with appropriate data ranges
- - Both PNG and interactive HTML outputs provided
- - Clean separation of violin shapes with no overlap
+ - Excellent data choices with four distinct distribution shapes (normal, bimodal,
+ shifted normal, skewed) showcasing violin plot capabilities
+ - Gradient fills with center-to-edge transparency create a polished professional
+ look
+ - All font sizes explicitly set and perfectly readable at 4800x2700
+ - 'Clean visual refinement: removed axis lines, removed ticks, subtle grid, generous
+ margins'
+ - Rich HTML tooltips with formatted statistics (n, mean, median, Q1/Q3, std dev)
+ - Overall mean reference line provides useful context for cross-group comparison
weaknesses:
- - Legend positioning at bottom overlaps slightly with x-axis title - could be better
- placed
- - The IQR boxes are very thin (box_width=0.05) and could be slightly wider for better
- visibility
- - Grid lines could be even more subtle (currently alpha=0.15, could use 0.1)
- image_description: 'The plot displays four violin shapes representing Study Groups
- A, B, C, and D on a white background. Each violin uses a distinct colorblind-safe
- color: blue (#306998) for Group A, yellow (#FFD43B) for Group B, purple (#9467BD)
- for Group C, and cyan (#17BECF) for Group D. Each violin features a centered black
- IQR (interquartile range) box and a red diamond marker indicating the median.
- The title "violin-basic · highcharts · pyplots.ai" appears at the top in bold.
- The Y-axis labeled "Test Score (points)" ranges from 0-130, and the X-axis labeled
- "Study Group" shows the four category labels. A legend at the bottom identifies
- each group color and the median marker. The violins effectively demonstrate different
- distribution shapes: Group A shows a symmetric normal distribution, Group B displays
- clear bimodality with two bulges, Group C is normally distributed, and Group D
- exhibits right-skewed exponential distribution with a long upper tail reaching
- ~120.'
+ - Blue and cyan colors could be slightly similar for some forms of color vision
+ deficiency
+ - IQR boxes are plain dark rectangles — more refined styling could improve polish
+ image_description: The plot displays four violin shapes representing test score
+ distributions across study groups (Control, Tutorial, Self-Study, Intensive).
+ Each violin is rendered as a PolygonSeries with horizontal gradient fills — center
+ opaque fading to transparent edges. Colors are steel blue (#306998), golden yellow
+ (#E5AB00), medium purple (#9467BD), and cyan (#17BECF). Dark IQR boxes sit inside
+ each violin spanning Q1–Q3, with white horizontal median lines crossing each at
+ the median position. A dashed "Overall Mean (51)" reference line spans the full
+ width. The y-axis reads "Test Score (points)" from 0–110 with subtle gridlines
+ every 10 points. The x-axis reads "Study Group" with category labels. A floating
+ legend in the upper right shows all four categories plus "Median". The title "violin-basic
+ · highcharts · pyplots.ai" appears at the top with subtitle "Distribution of scores
+ across 200 students per group." The Control violin is bell-shaped centered ~50,
+ Tutorial is distinctly bimodal (wide body spanning ~25–85), Self-Study is a tighter
+ bell centered ~60, and Intensive is right-skewed with a long thin tail reaching
+ ~103. The layout is clean with no axis lines, no tick marks, and generous margins.
criteria_checklist:
visual_quality:
- score: 36
- max: 40
+ score: 29
+ max: 30
items:
- id: VQ-01
name: Text Legibility
- score: 9
- max: 10
+ score: 8
+ max: 8
passed: true
- comment: Title, axis labels, and tick marks are all clearly readable at full
- size. Font sizes are appropriately scaled for 4800x2700 resolution.
+ comment: All font sizes explicitly set (title 72px, subtitle 44px, axis titles
+ 52px, axis labels 44px, legend 40px). All text perfectly readable.
- id: VQ-02
name: No Overlap
- score: 8
- max: 8
+ score: 6
+ max: 6
passed: true
- comment: No overlapping text elements. Category labels, axis titles, and legend
- are all clearly separated.
+ comment: No overlapping text elements. Category labels well-spaced, legend
+ floats cleanly.
- id: VQ-03
name: Element Visibility
- score: 7
- max: 8
+ score: 6
+ max: 6
passed: true
- comment: Violin shapes are clearly visible with good fill opacity. IQR boxes
- and median markers are well-sized and prominent.
+ comment: Violin shapes clearly visible with appropriate sizing. IQR boxes
+ and median lines have strong contrast.
- id: VQ-04
name: Color Accessibility
- score: 5
- max: 5
+ score: 3
+ max: 4
passed: true
- comment: Uses colorblind-safe palette (blue, yellow, purple, cyan) - no red-green
- conflicts.
+ comment: Four distinct hue families work for most CVD types. Blue and cyan
+ could be slightly similar for tritanopia.
- id: VQ-05
- name: Layout Balance
+ name: Layout & Canvas
score: 4
- max: 5
+ max: 4
passed: true
- comment: Good overall layout with appropriate margins. Slight excess whitespace
- at top of chart above Group D's extended distribution.
+ comment: Plot fills ~60% of canvas. Explicit margins create balanced layout.
+ Nothing cut off.
- id: VQ-06
- name: Axis Labels
+ name: Axis Labels & Title
score: 2
max: 2
passed: true
- comment: 'Descriptive labels with units: "Test Score (points)" and "Study
- Group".'
- - id: VQ-07
- name: Grid & Legend
- score: 1
- max: 2
+ comment: Y-axis 'Test Score (points)' with units. X-axis 'Study Group' descriptive
+ for categorical data.
+ design_excellence:
+ score: 15
+ max: 20
+ items:
+ - id: DE-01
+ name: Aesthetic Sophistication
+ score: 6
+ max: 8
+ passed: true
+ comment: Custom palette, gradient fills, featured violin, overall mean reference
+ line. Professional and polished, clearly above defaults.
+ - id: DE-02
+ name: Visual Refinement
+ score: 5
+ max: 6
passed: true
- comment: Grid is subtle. Legend is positioned at bottom but could be placed
- more optimally.
+ comment: Axis lines removed, tick marks removed, subtle grid (alpha 0.08),
+ styled crosshairs, generous whitespace.
+ - id: DE-03
+ name: Data Storytelling
+ score: 4
+ max: 6
+ passed: true
+ comment: Featured Tutorial violin with higher opacity, overall mean reference
+ line, distinct distribution shapes create natural comparison.
spec_compliance:
- score: 24
- max: 25
+ score: 15
+ max: 15
items:
- id: SC-01
name: Plot Type
- score: 8
- max: 8
- passed: true
- comment: Correct violin plot type with kernel density estimation shown via
- polygon shapes.
- - id: SC-02
- name: Data Mapping
score: 5
max: 5
passed: true
- comment: Categories on X-axis, values on Y-axis correctly assigned.
- - id: SC-03
+ comment: Correct violin plot combining KDE density shapes with box-plot-style
+ statistics.
+ - id: SC-02
name: Required Features
score: 4
- max: 5
+ max: 4
passed: true
- comment: Shows quartile markers (IQR box), median line (diamond marker), mirrored
- density on both sides. Split violin comparison not shown but spec says "consider"
- not required.
- - id: SC-04
- name: Data Range
+ comment: Quartile markers (IQR boxes), mirrored density, median line all present.
+ - id: SC-03
+ name: Data Mapping
score: 3
max: 3
passed: true
- comment: All data visible within the axis ranges (0-130 appropriately covers
- all distributions).
- - id: SC-05
- name: Legend Accuracy
- score: 2
- max: 2
- passed: true
- comment: Legend correctly identifies all groups and median marker.
- - id: SC-06
- name: Title Format
- score: 2
- max: 2
+ comment: Categories on X-axis, numerical values on Y-axis. 4 categories with
+ 200 points each.
+ - id: SC-04
+ name: Title & Legend
+ score: 3
+ max: 3
passed: true
- comment: 'Correct format: "violin-basic · highcharts · pyplots.ai"'
+ comment: Title follows exact format. Legend labels match category names.
data_quality:
- score: 19
- max: 20
+ score: 15
+ max: 15
items:
- id: DQ-01
name: Feature Coverage
- score: 7
- max: 8
+ score: 6
+ max: 6
passed: true
- comment: Excellent variety showing normal (A, C), bimodal (B), and skewed
- (D) distributions. Demonstrates the plot type's ability to reveal distribution
- shapes.
+ comment: 'Four distinct distributions: normal, bimodal, shifted normal, right-skewed
+ exponential.'
- id: DQ-02
name: Realistic Context
- score: 7
- max: 7
+ score: 5
+ max: 5
passed: true
- comment: Test scores by study group is a plausible, real-world scenario that
- makes sense for comparing distributions.
+ comment: Test scores across study groups — plausible educational research
+ scenario, neutral topic.
- id: DQ-03
name: Appropriate Scale
- score: 5
- max: 5
+ score: 4
+ max: 4
passed: true
- comment: Test scores in 0-130 range with most values in 20-100 range are realistic
- and sensible.
+ comment: Scores 0-100, 200 students per group — realistic for educational
+ assessment.
code_quality:
- score: 8
+ score: 10
max: 10
items:
- id: CQ-01
name: KISS Structure
- score: 2
+ score: 3
max: 3
passed: true
- comment: Follows imports → data → plot → save structure, but code is more
- complex than strictly necessary due to manual polygon construction for violins.
+ comment: 'Linear script: imports, data, chart setup, series, export. No functions
+ or classes.'
- id: CQ-02
name: Reproducibility
- score: 3
- max: 3
+ score: 2
+ max: 2
passed: true
- comment: Uses np.random.seed(42) for reproducibility.
+ comment: np.random.seed(42) set at start.
- id: CQ-03
name: Clean Imports
score: 2
max: 2
passed: true
- comment: All imports are used.
+ comment: All imports used.
- id: CQ-04
- name: No Deprecated API
- score: 1
- max: 1
+ name: Code Elegance
+ score: 2
+ max: 2
passed: true
- comment: Uses current API.
+ comment: Clean dictionary-based data structure. Loop-based series construction
+ is appropriate.
- id: CQ-05
- name: Output Correct
- score: 0
+ name: Output & API
+ score: 1
max: 1
passed: true
- comment: Saves both plot.png and plot.html correctly.
- library_features:
- score: 4
- max: 5
+ comment: Saves as plot.png via Selenium. Uses current highcharts_core API.
+ library_mastery:
+ score: 8
+ max: 10
items:
- - id: LF-01
- name: Uses distinctive library features
+ - id: LM-01
+ name: Idiomatic Usage
+ score: 4
+ max: 5
+ passed: true
+ comment: Correct use of PolygonSeries for custom shapes. Chart options, tooltip,
+ crosshair, and series config follow highcharts_core patterns.
+ - id: LM-02
+ name: Distinctive Features
score: 4
max: 5
passed: true
- comment: Good use of PolygonSeries and ScatterSeries to construct custom violin
- shapes. Uses highcharts-more.js for polygon support. Interactive HTML output
- included.
+ comment: Linear gradient fills, HTML tooltips, hover states, crosshairs, animation
+ easing — distinctive Highcharts features.
verdict: APPROVED