## F-statistic: 209.5 on 3 and 502 DF, p-value: < 2.2e-16 让我们回到预测变量的选择。如果我们有p个预测变量,那么一个简单的过程就是检查所有可用它们构建的可能模型,然后根据BIC / AIC选择最佳模型。这就是所谓的最佳子集选择。问题在于存在 个可能的模型! 让我们看看如何研究wine数据集,将使用所有可用...
stepAICwinedirection = "forward"direction = "both"scope # 将无关的预测变量添加到葡萄酒数据集中 # 向后选择:从给定模型中顺序删除预测变量 # 从具有所有预测变量的模型开始 modAll, direction = "backward", k = log(n) ## Start: AIC=-50.13 ## Price ~ Year + WinterRain + AGST + HarvestRain ...
## F-statistic: 209.5 on 3 and 502 DF, p-value: < 2.2e-16 让我们回到预测变量的选择。如果我们有p个预测变量,那么一个简单的过程就是检查所有可用它们构建的可能模型,然后根据BIC / AIC选择最佳模型。这就是所谓的最佳子集选择。问题在于存在 个可能的模型! 让我们看看如何研究wine数据集,将使用所有可用...
Find the best local price for R Wines Evil Cabernet Sauvignon, South Australia. Avg Price (ex-tax) US$15 / 750ml. Find and shop from stores and merchants near you.
## lm(formula = Price ~ Year + AGST, data = wineNoise) ## ## Coefficients: ## (Intercept) Year AGST ## 41.49441 -0.02221 0.56067 # 回想一下,在搜索过程中未探索未包含在modInter中的其他预测变量(因此未添加相关的预测变量HarvestRain) ...
## lm(formula = Price ~ Year + AGST, data = wineNoise) ## ## Coefficients: ## (Intercept) Year AGST ## 41.49441 -0.02221 0.56067 # 回想一下,在搜索过程中未探索未包含在modInter中的其他预测变量(因此未添加相关的预测变量HarvestRain) ...
research result enunc research result indic research section research space researchdesign and r researchanddevelopmet researched the hoist researcher one researchers mantle researchers also foun researchers have disc researchers strive to researches on marketi researches on the pro researching about the rese...
Check with the merchant for stock availability.Wine-Searcheris not responsible for omissions and inaccuracies. Also from 'Champagne Ruinart'(18)Learn more ¥1884 93/ 100 ¥696 91/ 100 Dom Ruinart Rose Millesime Champagne, France ¥2255 ...
raisin wine raising children raising their income raising verb raising your veil raising quotas andfin raisingagainstthehair raison dÉtat raispailsreactionrais raizÔ ichikawa hanjir rajah monument rajahship rajang rajas rajeev chand rajeev kumar rajeev malik rajeev sharma rajesh rajamani rajto esti ...
Room size: 36 m²/388 ft² Street view 1 queen bed and 1 king bed Enter dates to see prices Room photos and details WH - Renjoy Caige Deluxe Suite Room size: 36 m²/388 ft² Street view 1 king bed Enter dates to see prices Room photos and details WH - Renjoy Yuechuan ...