diff --git a/deming/__init__.py b/deming/__init__.py index 9a454a7..07eb743 100644 --- a/deming/__init__.py +++ b/deming/__init__.py @@ -5,6 +5,102 @@ import io +def control_chart_img_buffer_plotly(df, x, y, goal, title="Control Chart"): + import plotly.express as px + import plotly.graph_objs as go + import numpy as np + + mean = df[x].mean() + std_dev = df[x].std() + UCL = mean + 3 * std_dev + LCL = mean - 3 * std_dev + + # Creating the plot + fig = go.Figure() + + # Adding data points + fig.add_trace( + go.Scatter( + x=df[y], + y=df[x], + mode="lines+markers", + name=x, + line=dict(color="blue"), + marker=dict(size=8), + ) + ) + + # Goal + fig.add_trace( + go.Scatter( + x=df[y], + y=[goal] * len(df), + mode="lines", + name="Goal", + line=dict(color="yellow", dash="dash"), + ) + ) + + # Adding center line (mean) + fig.add_trace( + go.Scatter( + x=df[y], + y=[mean] * len(df), + mode="lines", + name="Mean", + line=dict(color="green", dash="dash"), + ) + ) + + # Adding Upper Control Limit (UCL) + fig.add_trace( + go.Scatter( + x=df[y], + y=[UCL] * len(df), + mode="lines", + name="Upper Control Limit (UCL)", + line=dict(color="red", dash="dash"), + ) + ) + + # Adding Lower Control Limit (LCL) + fig.add_trace( + go.Scatter( + x=df[y], + y=[LCL] * len(df), + mode="lines", + name="Lower Control Limit (LCL)", + line=dict(color="red", dash="dash"), + ) + ) + + z = np.polyfit(df.index, df[x], 1) + p = np.poly1d(z) + df["trendline"] = p(df.index) + + fig.add_trace( + go.Scatter( + x=df[y], # Use the same x-axis (df.index) + y=df["trendline"], + mode="lines", + name="Trendline", + line=dict(color="purple", dash="dash"), + ) + ) + + # Updating layout for better visualization + fig.update_layout( + title=title, + xaxis_title=y, + yaxis_title=x, + showlegend=True, + width=1600, + height=600, + ) + + return fig.to_image(format="svg") + + def control_chart_img_buffer(df, x, y, goal=None, title="Control Chart"): matplotlib.use("Agg") diff --git a/poetry.lock b/poetry.lock index 59dc31b..69ae89a 100644 --- a/poetry.lock +++ b/poetry.lock @@ -1,4 +1,4 @@ -# This file is automatically @generated by Poetry 1.8.3 and should not be changed by hand. +# This file is automatically @generated by Poetry 1.7.1 and should not be changed by hand. 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