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已收录的API报错解决方案

grid <- expand.grid(nrouds = c(75, 100), max_depth = c(2, 3), eta = c(.01, .1, .3), gamma = c(.5, .25), colsamples_bytree = 1, min_child_weight = 1, subsample = .5) # 一些控制参数，重抽样方法选择5折交叉验证 ctrl <- trainControl(method = 'cv', number = 5, verboseIter = F, returnData = F, returnResamp = 'final') # 开始调优 set.seed(123) train.xgb <- train(x = train[, 1:8], y = train$diabetes, trControl = ctrl, tuneGrid = grid, method = 'xgbTree') XGBoost运行的时候总产生这个错误：“错误: The tuning parameter grid should have columns nrounds, max_depth, eta, gamma, colsample_bytree, min_child_weight, subsample”，但是我的tune grid是存在这些参数的，有大佬知道是怎么回事吗

2025年11月17日

grid <- expand.grid(nrouds = c(75, 100), max_depth = c(2, 3), eta = c(.01, .1, .3), gamma = c(.5, .25), colsamples_bytree = 1, min_child_weight = 1, subsample = .5) # 一些控制参数，重抽样方法选择5折交叉验证 ctrl <- trainControl(method = 'cv', number = 5, verboseIter = F, returnData = F, returnResamp = 'final') # 开始调优 set.seed(123) train.xgb <- train(x = train[, 1:8], y = train$diabetes, trControl = ctrl, tuneGrid = grid, method = 'xgbTree') XGBoost运行的时候总产生这个错误：“错误: The tuning parameter grid should have columns nrounds, max_depth, eta, gamma, colsample_bytree, min_child_weight, subsample”，但是我的tune grid是存在这些参数的，有大佬知道是怎么回事吗

2025年11月17日

import numpy as np # 生成模拟数据 np.random.seed(42) X = np.random.randn(100, 2) # 100个样本，每个样本两个特征 y = (X[:, 0] + X[:, 1] > 0).astype(int) # 如果x1 + x2 > 0，则分类为1，否则分类为0 # 定义 Sigmoid 函数 def sigmoid(z): return 1 / (1 + np.exp(-z)) # 初始化参数 np.random.seed(42) W = np.random.randn(2) # 权重维度与特征维度一致 b = 0 # 偏置 learning_rate = 0.1 num_iterations = 1000 # 梯度下降优化 for i in range(num_iterations): # 计算预测值 z = np.dot(X, W) + b y_pred = sigmoid(z) # 计算损失（对数损失） loss = -np.mean(y * np.log(y_pred + 1e-8) + (1 - y) * np.log(1 - y_pred + 1e-8)) # 计算梯度 dw = np.dot(X.T, (y_pred - y)) / len(y) db = np.mean(y_pred - y) # 更新参数 W -= learning_rate * dw b -= learning_rate * db # 每隔100次打印一次损失 if i % 100 == 0: print(f"Iteration {i}, Loss: {loss:.4f}") # 绘制决策边界 import matplotlib.pyplot as plt plt.scatter(X[:, 0], X[:, 1], c=y, cmap="viridis") x_boundary = np.linspace(-3, 3, 100) y_boundary = -(b + W[0] * x_boundary) / W[1] plt.plot(x_boundary, y_boundary, color="red") plt.xlabel("x1") plt.ylabel("x2") plt.title("决策边界") plt.show()

2025年11月17日

GenuineIntel 26100.1.amd64fre.ge_release.240331-1435 dbgcore.i386,10.0.26100.7019 SocketThread D:\STeam\steamapps\common\SourceFilmmaker\game\sfm.exe C:\Windows\System32\ntdll.dll C:\Windows\System32\kernel32.dll C:\Windows\System32\KERNELBASE.dll C:\Windows\System32\apphelp.dll C:\Windows\System32\AcLayers.dll C:\Windows\System32\msvcrt.dll C:\Windows\System32\gdi32.dll C:\Windows\System32\win32u.dll C:\Windows\System32\gdi32full.dll C:\Windows\System32\msvcp_win.dll C:\Windows\System32\ucrtbase.dll C:\Windows\System32\user32.dll C:\Windows\System32\shlwapi.dll C:\Windows\System32\rpcrt4.dll C:\Windows\System32\imm32.dll D:\STeam\gameoverlayrenderer.dll C:\Windows\System32\advapi32.dll C:\Windows\System32\sechost.dll C:\Windows\System32\ole32.dll C:\Windows\System32\combase.dll C:\Windows\System32\oleaut32.dll C:\Windows\System32\psapi.dll C:\Windows\System32\winmm.dll C:\Windows\System32\cfgmgr32.dll D:\STeam\steamapps\common\SourceFilmmaker\game\bin\launcher.dll C:\Windows\System32\shell32.dll C:\Windows\System32\WinTypes.dll C:\Windows\System32\wsock32.dll D:\STeam\steamapps\common\SourceFilmmaker\game\bin\steam_api.dll C:\Windows\System32\ws2_32.dll D:\STeam\steamapps\common\SourceFilmmaker\game\bin\tier0.dll D:\STeam\steamapps\common\SourceFilmmaker\game\bin\vstdlib.dll D:\STeam\steamapps\common\SourceFilmmaker\game\bin\filesystem_stdio.dll C:\Windows\System32\kernel.appcore.dll C:\Windows\System32\bcryptPrimitives.dll C:\Windows\System32\uxtheme.dll d:\STeam\steamapps\common\sourcefilmmaker\game\bin\engine.dll C:\Windows\System32\wininet.dll d:\STeam\steamapps\common\sourcefilmmaker\game\bin\networksystem.dll C:\Windows\System32\IPHLPAPI.DLL d:\STeam\steamapps\common\sourcefilmmaker\game\bin\inputsystem.dll d:\STeam\steamapps\common\sourcefilmmaker\game\bin\materialsystem.dll d:\STeam\steamapps\common\sourcefilmmaker\game\bin\datacache.dll d:\STeam\steamapps\common\sourcefilmmaker\game\bin\studiorender.dll d:\STeam\steamapps\common\sourcefilmmaker\game\bin\soundemittersystem.dll d:\STeam\steamapps\common\sourcefilmmaker\game\bin\vphysics.dll d:\STeam\steamapps\common\sourcefilmmaker\game\bin\vscript.dll d:\STeam\steamapps\common\sourcefilmmaker\game\bin\valve_avi.dll C:\Windows\System32\avifil32.dll C:\Windows\System32\msacm32.dll C:\Windows\System32\msvfw32.dll C:\Windows\WinSxS\x86_microsoft.windows.common-controls_6595b64144ccf1df_5.82.26100.5074_none_cf989b7a8eac3574\comctl32.dll d:\STeam\steamapps\common\sourcefilmmaker\game\bin\binkw32.dll d:\STeam\steamapps\common\sourcefilmmaker\game\bin\video_services.dll d:\STeam\steamapps\common\sourcefilmmaker\game\bin\vguimatsurface.dll d:\STeam\steamapps\common\sourcefilmmaker\game\bin\vgui2.dll d:\STeam\steamapps\common\sourcefilmmaker\game\bin\p4lib.dll d:\STeam\steamapps\common\sourcefilmmaker\game\bin\shaderapidx9.dll C:\Windows\System32\d3d9.dll C:\Windows\System32\version.dll C:\Windows\System32\dwmapi.dll C:\Windows\System32\DXCore.dll d:\STeam\steamapps\common\sourcefilmmaker\game\bin\localize.dll C:\Windows\System32\DriverStore\FileRepository\nvami.inf_amd64_6963c3ad1eccbcde\nvldumd.dll C:\Windows\System32\msasn1.dll

2025年11月16日