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| # app.py — ST_Min_Horizontal_Stress (σhmin) | |
| # Self-contained Streamlit app that TRAINS a fixed, optimized ML pipeline in-app. | |
| # No external model files, no model-source UI. Upload Excel and go. | |
| import io, json, os, base64, math | |
| from pathlib import Path | |
| from datetime import datetime | |
| import streamlit as st | |
| import pandas as pd | |
| import numpy as np | |
| import joblib # only used to cache pipeline inside session | |
| # Matplotlib for static previews & cross-plot | |
| import matplotlib | |
| matplotlib.use("Agg") | |
| import matplotlib.pyplot as plt | |
| from matplotlib.ticker import FuncFormatter | |
| import plotly.graph_objects as go | |
| from sklearn.metrics import mean_squared_error | |
| from sklearn.ensemble import RandomForestRegressor | |
| from sklearn.pipeline import Pipeline | |
| from sklearn.impute import SimpleImputer | |
| # ========================= | |
| # App constants / defaults | |
| # ========================= | |
| APP_NAME = "ST_GeoMech_Shmin" | |
| TAGLINE = "Real-Time Minimum Horizontal Stress Prediction" | |
| # -------- Canonical names (match your files) -------- | |
| FEATURES = ["Q (gpm)", "SPP (psi)", "T (kft.lbf)", "WOB (klbf)", "ROP (ft/h)"] | |
| TARGET = "MINStress_Actual" | |
| PRED_COL = "MINStress_Pred" | |
| ACTUAL_COL = TARGET | |
| TRANSFORM = "none" # "none" | "log10" | "ln" | |
| UNITS = "Psi" | |
| # ---- Fixed ("best") model params baked into the code ---- | |
| BEST_PARAMS = dict( | |
| n_estimators=400, | |
| max_depth=None, | |
| min_samples_split=2, | |
| min_samples_leaf=1, | |
| max_features=0.6, | |
| bootstrap=True, | |
| random_state=42, | |
| n_jobs=-1, | |
| ) | |
| # Color / layout | |
| COLORS = {"pred": "#1f77b4", "actual": "#f2b702", "ref": "#5a5a5a"} | |
| CROSS_W, CROSS_H = 350, 350 | |
| TRACK_H, TRACK_W = 1000, 500 | |
| FONT_SZ = 13 | |
| BOLD_FONT = "Arial Black, Arial, sans-serif" | |
| STRICT_VERSION_CHECK = False # we now train in this env, so no version pin warnings | |
| # ========================= | |
| # Page / CSS | |
| # ========================= | |
| st.set_page_config(page_title=APP_NAME, page_icon="logo.png", layout="wide") | |
| st.markdown(""" | |
| <style> | |
| .brand-logo { width: 200px; height: auto; object-fit: contain; } | |
| .centered-container { display:flex; flex-direction:column; align-items:center; text-align:center; } | |
| .st-message-box { background:#f0f2f6; color:#333; padding:10px; border-radius:10px; border:1px solid #e6e9ef; } | |
| .st-message-box.st-success { background:#d4edda; color:#155724; border-color:#c3e6cb; } | |
| .st-message-box.st-warning { background:#fff3cd; color:#856404; border-color:#ffeeba; } | |
| .st-message-box.st-error { background:#f8d7da; color:#721c24; border-color:#f5c6cb; } | |
| .main .block-container { overflow: unset !important; } | |
| div[data-testid="stVerticalBlock"] { overflow: unset !important; } | |
| div[data-testid="stExpander"] > details > summary { | |
| position: sticky; top: 0; z-index: 10; background: #fff; border-bottom: 1px solid #eee; | |
| } | |
| div[data-testid="stExpander"] div[data-baseweb="tab-list"] { | |
| position: sticky; top: 42px; z-index: 9; background: #fff; padding-top: 6px; | |
| } | |
| </style> | |
| """, unsafe_allow_html=True) | |
| TABLE_CENTER_CSS = [ | |
| dict(selector="th", props=[("text-align", "center")]), | |
| dict(selector="td", props=[("text-align", "center")]), | |
| ] | |
| # ========================= | |
| # Password gate (optional) | |
| # ========================= | |
| def inline_logo(path="logo.png") -> str: | |
| try: | |
| p = Path(path) | |
| if not p.exists(): return "" | |
| return f"data:image/png;base64,{base64.b64encode(p.read_bytes()).decode('ascii')}" | |
| except Exception: | |
| return "" | |
| def add_password_gate() -> None: | |
| try: | |
| required = st.secrets.get("APP_PASSWORD", "") | |
| except Exception: | |
| required = os.environ.get("APP_PASSWORD", "") | |
| if not required: | |
| return # no password configured | |
| if st.session_state.get("auth_ok", False): | |
| return | |
| st.sidebar.markdown(f""" | |
| <div class="centered-container"> | |
| <img src="{inline_logo('logo.png')}" class="brand-logo"> | |
| <div style='font-weight:800;font-size:1.2rem; margin-top: 10px;'>{APP_NAME}</div> | |
| <div style='color:#667085;'>Smart Thinking • Secure Access</div> | |
| </div> | |
| """, unsafe_allow_html=True) | |
| pwd = st.sidebar.text_input("Access key", type="password", placeholder="••••••••") | |
| if st.sidebar.button("Unlock", type="primary"): | |
| if pwd == required: | |
| st.session_state.auth_ok = True | |
| st.rerun() | |
| else: | |
| st.error("Incorrect key.") | |
| st.stop() | |
| add_password_gate() | |
| # ========================= | |
| # Utilities | |
| # ========================= | |
| def rmse(y_true, y_pred) -> float: | |
| return float(np.sqrt(mean_squared_error(y_true, y_pred))) | |
| def mape(y_true, y_pred, eps: float = 1e-9) -> float: | |
| a = np.asarray(y_true, dtype=float) | |
| p = np.asarray(y_pred, dtype=float) | |
| den = np.maximum(np.abs(a), eps) | |
| return float(np.mean(np.abs((a - p) / den)) * 100.0) | |
| def pearson_r(y_true, y_pred) -> float: | |
| a = np.asarray(y_true, dtype=float) | |
| p = np.asarray(y_pred, dtype=float) | |
| if a.size < 2: return float("nan") | |
| if np.all(a == a[0]) or np.all(p == p[0]): return float("nan") | |
| return float(np.corrcoef(a, p)[0, 1]) | |
| def parse_excel(data_bytes: bytes): | |
| bio = io.BytesIO(data_bytes) | |
| xl = pd.ExcelFile(bio) | |
| return {sh: xl.parse(sh) for sh in xl.sheet_names} | |
| def read_book_bytes(b: bytes): | |
| return parse_excel(b) if b else {} | |
| def _excel_engine() -> str: | |
| try: | |
| import xlsxwriter # noqa: F401 | |
| return "xlsxwriter" | |
| except Exception: | |
| return "openpyxl" | |
| def _excel_safe_name(name: str) -> str: | |
| bad = '[]:*?/\\' | |
| safe = ''.join('_' if ch in bad else ch for ch in str(name)) | |
| return safe[:31] | |
| def _round_numeric(df: pd.DataFrame, ndigits: int = 3) -> pd.DataFrame: | |
| out = df.copy() | |
| for c in out.columns: | |
| if pd.api.types.is_float_dtype(out[c]) or pd.api.types.is_integer_dtype(out[c]): | |
| out[c] = pd.to_numeric(out[c], errors="coerce").round(ndigits) | |
| return out | |
| def df_centered_rounded(df: pd.DataFrame, hide_index=True): | |
| out = df.copy() | |
| numcols = out.select_dtypes(include=[np.number]).columns | |
| styler = ( | |
| out.style | |
| .format({c: "{:.3f}" for c in numcols}) | |
| .set_properties(**{"text-align": "center"}) | |
| .set_table_styles(TABLE_CENTER_CSS) | |
| ) | |
| st.dataframe(styler, use_container_width=True, hide_index=hide_index) | |
| def ensure_cols(df: pd.DataFrame, cols: list[str]) -> bool: | |
| miss = [c for c in cols if c not in df.columns] | |
| if miss: | |
| st.error(f"Missing columns: {miss}\nFound: {list(df.columns)}") | |
| return False | |
| return True | |
| def _nice_tick0(xmin: float, step: float = 0.1) -> float: | |
| return step * math.floor(xmin / step) if np.isfinite(xmin) else xmin | |
| # ---------- Transform helpers ---------- | |
| def _inv_transform(x: np.ndarray, transform: str) -> np.ndarray: | |
| t = (transform or "none").lower() | |
| if t in ("log10", "log_10", "log10()"): return np.power(10.0, x) | |
| if t in ("ln", "log", "loge", "log_e", "natural"): return np.exp(x) | |
| return x | |
| # ---------- Build X exactly as trained ---------- | |
| def _make_X(df: pd.DataFrame, features: list[str]) -> pd.DataFrame: | |
| X = df.reindex(columns=features, copy=False) | |
| for c in X.columns: | |
| X[c] = pd.to_numeric(X[c], errors="coerce") | |
| return X | |
| # ========================= | |
| # Export helpers | |
| # ========================= | |
| def _summary_table(df: pd.DataFrame, cols: list[str]) -> pd.DataFrame: | |
| cols = [c for c in cols if c in df.columns] | |
| if not cols: return pd.DataFrame() | |
| tbl = (df[cols] | |
| .agg(['min','max','mean','std']) | |
| .T.rename(columns={"min":"Min","max":"Max","mean":"Mean","std":"Std"}) | |
| .reset_index(names="Field")) | |
| return _round_numeric(tbl, 3) | |
| def _train_ranges_df(ranges: dict[str, tuple[float, float]]) -> pd.DataFrame: | |
| if not ranges: return pd.DataFrame() | |
| df = pd.DataFrame(ranges).T.reset_index() | |
| df.columns = ["Feature", "Min", "Max"] | |
| return _round_numeric(df, 3) | |
| def _excel_autofit(writer, sheet_name: str, df: pd.DataFrame, min_w: int = 8, max_w: int = 40): | |
| try: | |
| import xlsxwriter # noqa: F401 | |
| except Exception: | |
| return | |
| ws = writer.sheets[sheet_name] | |
| for i, col in enumerate(df.columns): | |
| series = df[col].astype(str) | |
| max_len = max([len(str(col))] + series.map(len).tolist()) | |
| ws.set_column(i, i, max(min_w, min(max_len + 2, max_w))) | |
| ws.freeze_panes(1, 0) | |
| def _available_sections() -> list[str]: | |
| res = st.session_state.get("results", {}) | |
| sections = [] | |
| if "Train" in res: sections += ["Training","Training_Metrics","Training_Summary"] | |
| if "Test" in res: sections += ["Testing","Testing_Metrics","Testing_Summary"] | |
| if "Validate" in res: sections += ["Validation","Validation_Metrics","Validation_Summary","Validation_OOR"] | |
| if "PredictOnly" in res: sections += ["Prediction","Prediction_Summary"] | |
| if st.session_state.get("train_ranges"): sections += ["Training_Ranges"] | |
| sections += ["Info"] | |
| return sections | |
| def build_export_workbook(selected: list[str], ndigits: int = 3, do_autofit: bool = True) -> tuple[bytes|None, str|None, list[str]]: | |
| res = st.session_state.get("results", {}) | |
| if not res: return None, None, [] | |
| sheets: dict[str, pd.DataFrame] = {} | |
| order: list[str] = [] | |
| def _add(name: str, df: pd.DataFrame): | |
| if df is None or (isinstance(df, pd.DataFrame) and df.empty): return | |
| sheets[name] = _round_numeric(df, ndigits); order.append(name) | |
| if "Training" in selected and "Train" in res: _add("Training", res["Train"]) | |
| if "Training_Metrics" in selected and res.get("m_train"): _add("Training_Metrics", pd.DataFrame([res["m_train"]])) | |
| if "Training_Summary" in selected and "Train" in res: | |
| tr_cols = FEATURES + [c for c in [TARGET, PRED_COL] if c in res["Train"].columns] | |
| _add("Training_Summary", _summary_table(res["Train"], tr_cols)) | |
| if "Testing" in selected and "Test" in res: _add("Testing", res["Test"]) | |
| if "Testing_Metrics" in selected and res.get("m_test"): _add("Testing_Metrics", pd.DataFrame([res["m_test"]])) | |
| if "Testing_Summary" in selected and "Test" in res: | |
| te_cols = FEATURES + [c for c in [TARGET, PRED_COL] if c in res["Test"].columns] | |
| _add("Testing_Summary", _summary_table(res["Test"], te_cols)) | |
| if "Validation" in selected and "Validate" in res: _add("Validation", res["Validate"]) | |
| if "Validation_Metrics" in selected and res.get("m_val"): _add("Validation_Metrics", pd.DataFrame([res["m_val"]])) | |
| if "Validation_Summary" in selected and res.get("sv_val"): _add("Validation_Summary", pd.DataFrame([res["sv_val"]])) | |
| if "Validation_OOR" in selected and isinstance(res.get("oor_tbl"), pd.DataFrame) and not res["oor_tbl"].empty: | |
| _add("Validation_OOR", res["oor_tbl"].reset_index(drop=True)) | |
| if "Prediction" in selected and "PredictOnly" in res: _add("Prediction", res["PredictOnly"]) | |
| if "Prediction_Summary" in selected and res.get("sv_pred"): _add("Prediction_Summary", pd.DataFrame([res["sv_pred"]])) | |
| if "Training_Ranges" in selected and st.session_state.get("train_ranges"): | |
| _add("Training_Ranges", _train_ranges_df(st.session_state["train_ranges"])) | |
| if "Info" in selected: | |
| info = pd.DataFrame([ | |
| {"Key": "AppName", "Value": APP_NAME}, | |
| {"Key": "Tagline", "Value": TAGLINE}, | |
| {"Key": "Target", "Value": TARGET}, | |
| {"Key": "PredColumn", "Value": PRED_COL}, | |
| {"Key": "Features", "Value": ", ".join(FEATURES)}, | |
| {"Key": "ExportedAt", "Value": datetime.now().strftime("%Y-%m-%d %H:%M:%S")}, | |
| ]) | |
| _add("Info", info) | |
| if not order: return None, None, [] | |
| bio = io.BytesIO() | |
| engine = _excel_engine() | |
| with pd.ExcelWriter(bio, engine=engine) as writer: | |
| for name in order: | |
| df = sheets[name]; sheet = _excel_safe_name(name) | |
| df.to_excel(writer, sheet_name=sheet, index=False) | |
| if do_autofit: _excel_autofit(writer, sheet, df) | |
| bio.seek(0) | |
| fname = f"MinStress_Export_{datetime.now().strftime('%Y%m%d_%H%M%S')}.xlsx" | |
| return bio.getvalue(), fname, order | |
| def render_export_button(phase_key: str) -> None: | |
| res = st.session_state.get("results", {}) | |
| if not res: return | |
| st.divider() | |
| st.markdown("### Export to Excel") | |
| options = _available_sections() | |
| selected_sheets = st.multiselect( | |
| "Sheets to include", | |
| options=options, | |
| default=[], | |
| placeholder="Choose option(s)", | |
| help="Pick the sheets you want in the Excel export.", | |
| key=f"sheets_{phase_key}", | |
| ) | |
| if not selected_sheets: | |
| st.caption("Select one or more sheets above to enable export.") | |
| st.download_button("⬇️ Export Excel", data=b"", file_name="MinStress_Export.xlsx", | |
| mime="application/vnd.openxmlformats-officedocument.spreadsheetml.sheet", | |
| disabled=True, key=f"download_{phase_key}") | |
| return | |
| data, fname, names = build_export_workbook(selected=selected_sheets, ndigits=3, do_autofit=True) | |
| if names: st.caption("Will include: " + ", ".join(names)) | |
| st.download_button("⬇️ Export Excel", data=(data or b""), file_name=(fname or "MinStress_Export.xlsx"), | |
| mime="application/vnd.openxmlformats-officedocument.spreadsheetml.sheet", | |
| disabled=(data is None), key=f"download_{phase_key}") | |
| # ========================= | |
| # Plots | |
| # ========================= | |
| def cross_plot_static(actual, pred): | |
| a = pd.Series(actual, dtype=float) | |
| p = pd.Series(pred, dtype=float) | |
| lo = float(min(a.min(), p.min())); hi = float(max(a.max(), p.max())) | |
| pad = 0.03 * (hi - lo if hi > lo else 1.0) | |
| lo2, hi2 = lo - pad, hi + pad | |
| ticks = np.linspace(lo2, hi2, 5) | |
| dpi = 110 | |
| fig, ax = plt.subplots(figsize=(CROSS_W / dpi, CROSS_H / dpi), dpi=dpi, constrained_layout=False) | |
| ax.scatter(a, p, s=14, c=COLORS["pred"], alpha=0.9, linewidths=0) | |
| ax.plot([lo2, hi2], [lo2, hi2], linestyle="--", linewidth=1.2, color=COLORS["ref"]) | |
| ax.set_xlim(lo2, hi2); ax.set_ylim(lo2, hi2) | |
| ax.set_xticks(ticks); ax.set_yticks(ticks) | |
| ax.set_aspect("equal", adjustable="box") | |
| fmt = FuncFormatter(lambda x, _: f"{x:.0f}") # no decimals on cross-plot | |
| ax.xaxis.set_major_formatter(fmt); ax.yaxis.set_major_formatter(fmt) | |
| ax.set_xlabel(f"Actual Min Stress ({UNITS})", fontweight="bold", fontsize=10, color="black") | |
| ax.set_ylabel(f"Predicted Min Stress ({UNITS})", fontweight="bold", fontsize=10, color="black") | |
| ax.tick_params(labelsize=6, colors="black") | |
| ax.grid(True, linestyle=":", alpha=0.3) | |
| for spine in ax.spines.values(): | |
| spine.set_linewidth(1.1); spine.set_color("#444") | |
| fig.subplots_adjust(left=0.16, bottom=0.16, right=0.98, top=0.98) | |
| return fig | |
| def track_plot(df, include_actual=True): | |
| depth_col = next((c for c in df.columns if 'depth' in str(c).lower()), None) | |
| if depth_col is not None: | |
| y = pd.to_numeric(df[depth_col], errors="coerce"); ylab = depth_col | |
| y_range = [float(np.nanmax(y)), float(np.nanmin(y))] # reversed | |
| else: | |
| y = pd.Series(np.arange(1, len(df) + 1)); ylab = "Point Index" | |
| y_range = [float(y.max()), float(y.min())] | |
| x_series = pd.Series(df.get(PRED_COL, pd.Series(dtype=float))).astype(float) | |
| act_col = ACTUAL_COL if (ACTUAL_COL and ACTUAL_COL in df.columns) else TARGET | |
| if include_actual and act_col in df.columns: | |
| x_series = pd.concat([x_series, pd.Series(df[act_col]).astype(float)], ignore_index=True) | |
| x_lo, x_hi = float(x_series.min()), float(x_series.max()) | |
| x_pad = 0.03 * (x_hi - x_lo if x_hi > x_lo else 1.0) | |
| xmin, xmax = x_lo - x_pad, x_hi + x_pad | |
| tick0 = _nice_tick0(xmin, step=max((xmax - xmin) / 10.0, 0.1)) | |
| fig = go.Figure() | |
| if PRED_COL in df.columns: | |
| fig.add_trace(go.Scatter( | |
| x=df[PRED_COL], y=y, mode="lines", | |
| line=dict(color=COLORS["pred"], width=1.8), | |
| name=PRED_COL, | |
| hovertemplate=f"{PRED_COL}: "+"%{x:.2f}<br>"+ylab+": %{y}<extra></extra>" | |
| )) | |
| if include_actual and act_col in df.columns: | |
| fig.add_trace(go.Scatter( | |
| x=df[act_col], y=y, mode="lines", | |
| line=dict(color=COLORS["actual"], width=2.0, dash="dot"), | |
| name=f"{act_col} (actual)", | |
| hovertemplate=f"{act_col}: "+"%{x:.2f}<br>"+ylab+": %{y}<extra></extra>" | |
| )) | |
| fig.update_layout( | |
| height=TRACK_H, width=TRACK_W, autosize=False, | |
| paper_bgcolor="#fff", plot_bgcolor="#fff", | |
| margin=dict(l=64, r=16, t=36, b=48), hovermode="closest", | |
| font=dict(size=FONT_SZ, color="#000"), | |
| legend=dict(x=0.98, y=0.05, xanchor="right", yanchor="bottom", | |
| bgcolor="rgba(255,255,255,0.75)", bordercolor="#ccc", borderwidth=1), | |
| legend_title_text="" | |
| ) | |
| fig.update_xaxes( | |
| title_text=f"Min Stress ({UNITS})", | |
| title_font=dict(size=20, family=BOLD_FONT, color="#000"), | |
| tickfont=dict(size=15, family=BOLD_FONT, color="#000"), | |
| side="top", range=[xmin, xmax], | |
| ticks="outside", | |
| tickformat=",.0f", # <— no decimals on ticks | |
| tickmode="auto", tick0=tick0, | |
| showline=True, linewidth=1.2, linecolor="#444", mirror=True, | |
| showgrid=True, gridcolor="rgba(0,0,0,0.12)", automargin=True | |
| ) | |
| fig.update_yaxes( | |
| title_text=ylab, | |
| title_font=dict(size=20, family=BOLD_FONT, color="#000"), | |
| tickfont=dict(size=15, family=BOLD_FONT, color="#000"), | |
| range=y_range, ticks="outside", | |
| showline=True, linewidth=1.2, linecolor="#444", mirror=True, | |
| showgrid=True, gridcolor="rgba(0,0,0,0.12)", automargin=True | |
| ) | |
| return fig | |
| def preview_tracks(df: pd.DataFrame, cols: list[str]): | |
| cols = [c for c in cols if c in df.columns] | |
| n = len(cols) | |
| if n == 0: | |
| fig, ax = plt.subplots(figsize=(4, 2)) | |
| ax.text(0.5, 0.5, "No selected columns", ha="center", va="center") | |
| ax.axis("off") | |
| return fig | |
| depth_col = next((c for c in df.columns if 'depth' in str(c).lower()), None) | |
| if depth_col is not None: | |
| idx = pd.to_numeric(df[depth_col], errors="coerce") | |
| y_label = depth_col | |
| y_min, y_max = float(np.nanmin(idx)), float(np.nanmax(idx)) | |
| else: | |
| idx = pd.Series(np.arange(1, len(df) + 1)) | |
| y_label = "Point Index" | |
| y_min, y_max = float(idx.min()), float(idx.max()) | |
| cmap = plt.get_cmap("tab20") | |
| col_colors = {col: cmap(i % cmap.N) for i, col in enumerate(cols)} | |
| fig, axes = plt.subplots(1, n, figsize=(2.4 * n, 7.0), sharey=True, dpi=100) | |
| if n == 1: | |
| axes = [axes] | |
| for i, (ax, col) in enumerate(zip(axes, cols)): | |
| x = pd.to_numeric(df[col], errors="coerce") | |
| ax.plot(x, idx, '-', lw=1.6, color=col_colors[col]) | |
| ax.set_xlabel(col); ax.xaxis.set_label_position('top'); ax.xaxis.tick_top() | |
| ax.set_ylim(y_max, y_min) # reversed depth down | |
| ax.grid(True, linestyle=":", alpha=0.3) | |
| if i == 0: | |
| ax.set_ylabel(y_label) | |
| else: | |
| ax.tick_params(labelleft=False); ax.set_ylabel("") | |
| fig.tight_layout() | |
| return fig | |
| # ========================= | |
| # Fixed training pipeline | |
| # ========================= | |
| def build_pipeline() -> Pipeline: | |
| """ | |
| Fixed, optimized pipeline: | |
| - Numeric imputation (median) | |
| - RandomForestRegressor with tuned params (BEST_PARAMS) | |
| Trees don't need scaling; robust to feature distributions. | |
| """ | |
| model = RandomForestRegressor(**BEST_PARAMS) | |
| pipe = Pipeline(steps=[ | |
| ("imputer", SimpleImputer(strategy="median")), | |
| ("model", model), | |
| ]) | |
| return pipe | |
| # ========================= | |
| # Session state | |
| # ========================= | |
| st.session_state.setdefault("app_step", "intro") | |
| st.session_state.setdefault("results", {}) | |
| st.session_state.setdefault("train_ranges", None) | |
| st.session_state.setdefault("dev_file_name","") | |
| st.session_state.setdefault("dev_file_bytes",b"") | |
| st.session_state.setdefault("dev_file_loaded",False) | |
| st.session_state.setdefault("dev_preview",False) | |
| st.session_state.setdefault("fitted_model", None) # cache trained pipeline | |
| # NEW: persistent top-of-page preview panel state | |
| st.session_state.setdefault("show_preview_panel", False) | |
| st.session_state.setdefault("preview_book", {}) # parsed Excel sheets to preview | |
| # ========================= | |
| # Sidebar branding | |
| # ========================= | |
| st.sidebar.markdown(f""" | |
| <div class="centered-container"> | |
| <img src="{inline_logo('logo.png')}" class="brand-logo"> | |
| <div style='font-weight:800;font-size:1.2rem;'>{APP_NAME}</div> | |
| <div style='color:#667085;'>{TAGLINE}</div> | |
| </div> | |
| """, unsafe_allow_html=True) | |
| def sticky_header(title, message): | |
| st.markdown( | |
| f""" | |
| <style> | |
| .sticky-container {{ | |
| position: sticky; top: 0; background-color: white; z-index: 100; | |
| padding-top: 10px; padding-bottom: 10px; border-bottom: 1px solid #eee; | |
| }} | |
| </style> | |
| <div class="sticky-container"> | |
| <h3>{title}</h3> | |
| <p>{message}</p> | |
| </div> | |
| """, | |
| unsafe_allow_html=True | |
| ) | |
| # ---------- Top-of-page Preview Panel ---------- | |
| def render_preview_panel(): | |
| """If enabled, draws a preview panel at the very top of the page.""" | |
| if not st.session_state.get("show_preview_panel"): | |
| return | |
| st.markdown("## 🔎 Data preview") | |
| book = st.session_state.get("preview_book", {}) or {} | |
| if not book: | |
| st.info("No data loaded yet.") | |
| col = st.columns(2)[1] | |
| with col: | |
| if st.button("Hide preview"): | |
| st.session_state.show_preview_panel = False | |
| st.session_state.preview_book = {} | |
| st.rerun() | |
| return | |
| names = list(book.keys()) | |
| tabs = st.tabs(names + ["✖ Hide preview"]) | |
| for i, name in enumerate(names): | |
| with tabs[i]: | |
| df = book[name] | |
| t1, t2 = st.tabs(["Tracks", "Summary"]) | |
| with t1: | |
| st.pyplot(preview_tracks(df, FEATURES), use_container_width=True) | |
| with t2: | |
| feat_present = [c for c in FEATURES if c in df.columns] | |
| if not feat_present: | |
| st.info("No feature columns found to summarize.") | |
| else: | |
| tbl = ( | |
| df[feat_present] | |
| .agg(['min','max','mean','std']) | |
| .T.rename(columns={"min":"Min","max":"Max","mean":"Mean","std":"Std"}) | |
| .reset_index(names="Feature") | |
| ) | |
| df_centered_rounded(tbl) | |
| with tabs[-1]: | |
| if st.button("Hide preview", use_container_width=True): | |
| st.session_state.show_preview_panel = False | |
| st.session_state.preview_book = {} | |
| st.rerun() | |
| # ========================= | |
| # INTRO | |
| # ========================= | |
| if st.session_state.app_step == "intro": | |
| st.header("Welcome!") | |
| st.markdown(f"This software is developed by *Smart Thinking AI-Solutions Team* to estimate **Minimum Horizontal Stress** ({UNITS}) from drilling/offset data.") | |
| st.subheader("How It Works") | |
| st.markdown( | |
| "1) **Upload your data file** and click **Run Model** to fit the baked-in pipeline. \n" | |
| "2) **Validate** on held-out wells (with actual). \n" | |
| "3) **Predict** on wells without actual." | |
| ) | |
| if st.button("Start Showcase", type="primary"): | |
| st.session_state.app_step = "dev"; st.rerun() | |
| # ========================= | |
| # CASE BUILDING (Train/Test) | |
| # ========================= | |
| def _find_sheet(book, names): | |
| low2orig = {k.lower(): k for k in book.keys()} | |
| for nm in names: | |
| if nm.lower() in low2orig: return low2orig[nm.lower()] | |
| return None | |
| if st.session_state.app_step == "dev": | |
| st.sidebar.header("Case Building") | |
| up = st.sidebar.file_uploader("Upload Your Data File", type=["xlsx","xls"]) | |
| if up is not None: | |
| st.session_state.dev_file_bytes = up.getvalue() | |
| st.session_state.dev_file_name = up.name | |
| st.session_state.dev_file_loaded = True | |
| st.session_state.dev_preview = False | |
| st.session_state.fitted_model = None # reset | |
| if st.session_state.dev_file_loaded: | |
| tmp = read_book_bytes(st.session_state.dev_file_bytes) | |
| if tmp: | |
| df0 = next(iter(tmp.values())) | |
| st.sidebar.caption(f"**Data loaded:** {st.session_state.dev_file_name} • {df0.shape[0]} rows × {df0.shape[1]} cols") | |
| # PREVIEW button -> show preview panel at top | |
| if st.sidebar.button("Preview data", use_container_width=True, disabled=not st.session_state.dev_file_loaded): | |
| st.session_state.preview_book = read_book_bytes(st.session_state.dev_file_bytes) if st.session_state.dev_file_bytes else {} | |
| st.session_state.show_preview_panel = True | |
| st.rerun() | |
| run = st.sidebar.button("Run Model", type="primary", use_container_width=True) | |
| if st.sidebar.button("Proceed to Validation ▶", use_container_width=True): st.session_state.app_step="validate"; st.rerun() | |
| if st.sidebar.button("Proceed to Prediction ▶", use_container_width=True): st.session_state.app_step="predict"; st.rerun() | |
| if st.session_state.dev_file_loaded and st.session_state.show_preview_panel: | |
| sticky_header("Case Building", "Previewed ✓ — now click **Run Model**.") | |
| elif st.session_state.dev_file_loaded: | |
| sticky_header("Case Building", "📄 **Preview uploaded data** using the sidebar button, then click **Run Model**.") | |
| else: | |
| sticky_header("Case Building", "**Upload your data to build a case, then run the model to review performance.**") | |
| # Render the preview panel at the very top (above results) | |
| render_preview_panel() | |
| if run and st.session_state.dev_file_bytes: | |
| book = read_book_bytes(st.session_state.dev_file_bytes) | |
| sh_train = _find_sheet(book, ["Train","Training","training2","train","training"]) | |
| sh_test = _find_sheet(book, ["Test","Testing","testing2","test","testing"]) | |
| if sh_train is None or sh_test is None: | |
| st.markdown('<div class="st-message-box st-error">Workbook must include Train/Training and Test/Testing sheets.</div>', unsafe_allow_html=True) | |
| st.stop() | |
| tr0 = book[sh_train].copy() | |
| te0 = book[sh_test].copy() | |
| # Ensure columns exist | |
| if not (ensure_cols(tr0, FEATURES+[TARGET]) and ensure_cols(te0, FEATURES+[TARGET])): | |
| st.markdown('<div class="st-message-box st-error">Missing required columns.</div>', unsafe_allow_html=True) | |
| st.stop() | |
| # Prepare X,y | |
| X_tr = _make_X(tr0, FEATURES) | |
| y_tr = pd.to_numeric(tr0[TARGET], errors="coerce") | |
| X_te = _make_X(te0, FEATURES) | |
| y_te = pd.to_numeric(te0[TARGET], errors="coerce") | |
| # Drop rows with NA in y | |
| mask_tr = np.isfinite(y_tr) | |
| X_tr, y_tr = X_tr.loc[mask_tr], y_tr.loc[mask_tr] | |
| mask_te = np.isfinite(y_te) | |
| X_te, y_te = X_te.loc[mask_te], y_te.loc[mask_te] | |
| pipe = build_pipeline() | |
| pipe.fit(X_tr, y_tr) | |
| st.session_state.fitted_model = pipe # cache | |
| # Predictions | |
| tr = tr0.copy(); te = te0.copy() | |
| tr[PRED_COL] = _inv_transform(pipe.predict(_make_X(tr0, FEATURES)), TRANSFORM) | |
| te[PRED_COL] = _inv_transform(pipe.predict(_make_X(te0, FEATURES)), TRANSFORM) | |
| st.session_state.results["Train"] = tr | |
| st.session_state.results["Test"] = te | |
| st.session_state.results["m_train"] = { | |
| "R": pearson_r(tr[TARGET], tr[PRED_COL]), | |
| "RMSE": rmse(tr[TARGET], tr[PRED_COL]), | |
| "MAPE%": mape(tr[TARGET], tr[PRED_COL]), | |
| } | |
| st.session_state.results["m_test"] = { | |
| "R": pearson_r(te[TARGET], te[PRED_COL]), | |
| "RMSE": rmse(te[TARGET], te[PRED_COL]), | |
| "MAPE%": mape(te[TARGET], te[PRED_COL]), | |
| } | |
| tr_min = tr[FEATURES].min().to_dict(); tr_max = tr[FEATURES].max().to_dict() | |
| st.session_state.train_ranges = {f:(float(tr_min[f]), float(tr_max[f])) for f in FEATURES} | |
| st.markdown('<div class="st-message-box st-success">Case has been built and results are displayed below.</div>', unsafe_allow_html=True) | |
| def _dev_block(df, m): | |
| c1,c2,c3 = st.columns(3) | |
| c1.metric("R", f"{m['R']:.3f}") | |
| c2.metric("RMSE", f"{m['RMSE']:.2f}") | |
| c3.metric("MAPE%", f"{m['MAPE%']:.2f}") | |
| st.markdown(""" | |
| <div style='text-align: left; font-size: 0.8em; color: #6b7280; margin-top: -16px; margin-bottom: 8px;'> | |
| <strong>R:</strong> Pearson Correlation Coefficient<br> | |
| <strong>RMSE:</strong> Root Mean Square Error<br> | |
| <strong>MAPE:</strong> Mean Absolute Percentage Error | |
| </div> | |
| """, unsafe_allow_html=True) | |
| col_track, col_cross = st.columns([2, 3], gap="large") | |
| with col_track: | |
| st.plotly_chart(track_plot(df, include_actual=True), | |
| use_container_width=False, config={"displayModeBar": False, "scrollZoom": True}) | |
| with col_cross: | |
| st.pyplot(cross_plot_static(df[TARGET], df[PRED_COL]), use_container_width=False) | |
| if "Train" in st.session_state.results or "Test" in st.session_state.results: | |
| tab1, tab2 = st.tabs(["Training", "Testing"]) | |
| if "Train" in st.session_state.results: | |
| with tab1: _dev_block(st.session_state.results["Train"], st.session_state.results["m_train"]) | |
| if "Test" in st.session_state.results: | |
| with tab2: _dev_block(st.session_state.results["Test"], st.session_state.results["m_test"]) | |
| render_export_button(phase_key="dev") | |
| # ========================= | |
| # VALIDATION (with actual) | |
| # ========================= | |
| if st.session_state.app_step == "validate": | |
| st.sidebar.header("Validate the Model") | |
| up = st.sidebar.file_uploader("Upload Validation Excel", type=["xlsx","xls"]) | |
| if up is not None: | |
| book = read_book_bytes(up.getvalue()) | |
| if book: | |
| df0 = next(iter(book.values())) | |
| st.sidebar.caption(f"**Data loaded:** {up.name} • {df0.shape[0]} rows × {df0.shape[1]} cols") | |
| # PREVIEW button -> show preview panel at top | |
| if st.sidebar.button("Preview data", use_container_width=True, disabled=(up is None)): | |
| st.session_state.preview_book = read_book_bytes(up.getvalue()) if up is not None else {} | |
| st.session_state.show_preview_panel = True | |
| st.rerun() | |
| go_btn = st.sidebar.button("Predict & Validate", type="primary", use_container_width=True) | |
| if st.sidebar.button("⬅ Back to Case Building", use_container_width=True): st.session_state.app_step="dev"; st.rerun() | |
| if st.sidebar.button("Proceed to Prediction ▶", use_container_width=True): st.session_state.app_step="predict"; st.rerun() | |
| sticky_header("Validate the Model", "Upload a dataset with the same **features** and **MINStress_Actual** to evaluate performance.") | |
| render_preview_panel() # top-of-page preview | |
| if go_btn and up is not None: | |
| if st.session_state.fitted_model is None: | |
| st.error("Please train the model first in Case Building.") | |
| st.stop() | |
| book = read_book_bytes(up.getvalue()) | |
| names = list(book.keys()) | |
| name = next((s for s in names if s.lower() in ("validation","validate","validation2","val","val2")), names[0]) | |
| df0 = book[name].copy() | |
| if not ensure_cols(df0, FEATURES+[TARGET]): | |
| st.markdown('<div class="st-message-box st-error">Missing required columns.</div>', unsafe_allow_html=True); st.stop() | |
| df = df0.copy() | |
| df[PRED_COL] = _inv_transform(st.session_state.fitted_model.predict(_make_X(df0, FEATURES)), TRANSFORM) | |
| st.session_state.results["Validate"] = df | |
| ranges = st.session_state.train_ranges; oor_pct = 0.0; tbl=None | |
| if ranges: | |
| any_viol = pd.DataFrame({f:(df[f] < ranges[f][0]) | (df[f] > ranges[f][1]) for f in FEATURES}).any(axis=1) | |
| oor_pct = float(any_viol.mean() * 100.0) | |
| if any_viol.any(): | |
| tbl = df.loc[any_viol, FEATURES].copy() | |
| for c in FEATURES: | |
| if pd.api.types.is_numeric_dtype(tbl[c]): tbl[c] = tbl[c].round(3) | |
| tbl["Violations"] = pd.DataFrame({f:(df[f] < ranges[f][0]) | (df[f] > ranges[f][1]) for f in FEATURES}).loc[any_viol].apply( | |
| lambda r:", ".join([c for c,v in r.items() if v]), axis=1 | |
| ) | |
| st.session_state.results["m_val"] = { | |
| "R": pearson_r(df[TARGET], df[PRED_COL]), | |
| "RMSE": rmse(df[TARGET], df[PRED_COL]), | |
| "MAPE%": mape(df[TARGET], df[PRED_COL]), | |
| } | |
| st.session_state.results["sv_val"] = {"n":len(df), "pred_min":float(df[PRED_COL].min()), "pred_max":float(df[PRED_COL].max()), "oor":oor_pct} | |
| st.session_state.results["oor_tbl"] = tbl | |
| if "Validate" in st.session_state.results: | |
| m = st.session_state.results["m_val"] | |
| c1,c2,c3 = st.columns(3) | |
| c1.metric("R", f"{m['R']:.3f}"); c2.metric("RMSE", f"{m['RMSE']:.2f}"); c3.metric("MAPE%", f"{m['MAPE%']:.2f}") | |
| st.markdown(""" | |
| <div style='text-align: left; font-size: 0.8em; color: #6b7280; margin-top: -16px; margin-bottom: 8px;'> | |
| <strong>R:</strong> Pearson Correlation Coefficient<br> | |
| <strong>RMSE:</strong> Root Mean Square Error<br> | |
| <strong>MAPE:</strong> Mean Absolute Percentage Error | |
| </div> | |
| """, unsafe_allow_html=True) | |
| col_track, col_cross = st.columns([2, 3], gap="large") | |
| with col_track: | |
| st.plotly_chart(track_plot(st.session_state.results["Validate"], include_actual=True), | |
| use_container_width=False, config={"displayModeBar": False, "scrollZoom": True}) | |
| with col_cross: | |
| st.pyplot(cross_plot_static(st.session_state.results["Validate"][TARGET], | |
| st.session_state.results["Validate"][PRED_COL]), | |
| use_container_width=False) | |
| render_export_button(phase_key="validate") | |
| sv = st.session_state.results["sv_val"] | |
| if sv["oor"] > 0: st.markdown('<div class="st-message-box st-warning">Some inputs fall outside **training min–max** ranges.</div>', unsafe_allow_html=True) | |
| if st.session_state.results["oor_tbl"] is not None: | |
| st.write("*Out-of-range rows (vs. Training min–max):*") | |
| df_centered_rounded(st.session_state.results["oor_tbl"]) | |
| # ========================= | |
| # PREDICTION (no actual) | |
| # ========================= | |
| if st.session_state.app_step == "predict": | |
| st.sidebar.header("Prediction (No Actual)") | |
| up = st.sidebar.file_uploader("Upload Prediction Excel", type=["xlsx","xls"]) | |
| if up is not None: | |
| book = read_book_bytes(up.getvalue()) | |
| if book: | |
| df0 = next(iter(book.values())) | |
| st.sidebar.caption(f"**Data loaded:** {up.name} • {df0.shape[0]} rows × {df0.shape[1]} cols") | |
| # PREVIEW button -> show preview panel at top | |
| if st.sidebar.button("Preview data", use_container_width=True, disabled=(up is None)): | |
| st.session_state.preview_book = read_book_bytes(up.getvalue()) if up is not None else {} | |
| st.session_state.show_preview_panel = True | |
| st.rerun() | |
| go_btn = st.sidebar.button("Predict", type="primary", use_container_width=True) | |
| if st.sidebar.button("⬅ Back to Case Building", use_container_width=True): st.session_state.app_step="dev"; st.rerun() | |
| sticky_header("Prediction", "Upload a dataset with the 5 feature columns (no actual column).") | |
| render_preview_panel() # top-of-page preview | |
| if go_btn and up is not None: | |
| if st.session_state.fitted_model is None: | |
| st.error("Please train the model first in Case Building.") | |
| st.stop() | |
| book = read_book_bytes(up.getvalue()); name = list(book.keys())[0] | |
| df0 = book[name].copy() | |
| if not ensure_cols(df0, FEATURES): | |
| st.markdown('<div class="st-message-box st-error">Missing required columns.</div>', unsafe_allow_html=True); st.stop() | |
| df = df0.copy() | |
| df[PRED_COL] = _inv_transform(st.session_state.fitted_model.predict(_make_X(df0, FEATURES)), TRANSFORM) | |
| st.session_state.results["PredictOnly"] = df | |
| ranges = st.session_state.train_ranges; oor_pct = 0.0 | |
| if ranges: | |
| any_viol = pd.DataFrame({f:(df[f] < ranges[f][0]) | (df[f] > ranges[f][1]) for f in FEATURES}).any(axis=1) | |
| oor_pct = float(any_viol.mean() * 100.0) | |
| st.session_state.results["sv_pred"] = { | |
| "n":len(df), | |
| "pred_min":float(df[PRED_COL].min()), | |
| "pred_max":float(df[PRED_COL].max()), | |
| "pred_mean":float(df[PRED_COL].mean()), | |
| "pred_std":float(df[PRED_COL].std(ddof=0)), | |
| "oor":oor_pct | |
| } | |
| if "PredictOnly" in st.session_state.results: | |
| df = st.session_state.results["PredictOnly"]; sv = st.session_state.results["sv_pred"] | |
| col_left, col_right = st.columns([2,3], gap="large") | |
| with col_left: | |
| table = pd.DataFrame({ | |
| "Metric": ["# points","Pred min","Pred max","Pred mean","Pred std","OOR %"], | |
| "Value": [sv["n"], round(sv["pred_min"],3), round(sv["pred_max"],3), | |
| round(sv["pred_mean"],3), round(sv["pred_std"],3), f'{sv["oor"]:.1f}%'] | |
| }) | |
| st.markdown('<div class="st-message-box st-success">Predictions ready ✓</div>', unsafe_allow_html=True) | |
| df_centered_rounded(table, hide_index=True) | |
| st.caption("**★ OOR** = % of rows with input features outside the training min–max range.") | |
| with col_right: | |
| st.plotly_chart(track_plot(df, include_actual=False), | |
| use_container_width=False, config={"displayModeBar": False, "scrollZoom": True}) | |
| render_export_button(phase_key="predict") | |
| # ========================= | |
| # Footer | |
| # ========================= | |
| st.markdown(""" | |
| <br><br><br> | |
| <hr> | |
| <div style='text-align:center;color:#6b7280;font-size:1.0em;'> | |
| © 2025 Smart Thinking AI-Solutions Team. All rights reserved.<br> | |
| Website: <a href="https://smartthinking.com.sa" target="_blank" rel="noopener noreferrer">smartthinking.com.sa</a> | |
| </div> | |
| """, unsafe_allow_html=True) | |