如锡如璧

目录1. select packages2. clean text3. generate word cloud4. 一个小技巧 a little trick1. Select packageslibrary("tm") #text mininglibrary("SnowballC") #word stemming if necessarylibrary(&am

data introductionSelect packagesSplit datasetfeature selectiontune parametersprediciton1. data introduction我的数据包含一千五百多条样例，92个属性，待预测项目有性别这样的分类问题，也有年龄这样的回归问题。2. select packageslibrary(ggplot2...

Make your model a web service (using Microsoft Azure machine learning studio)1. construct an experiment using the studio.2. Set up the web service.Run this experiment firstly and then click the bu...

Hypothesis with R and Understanding of P-value and confidence-intervalHypothesis with R数据集说明数据可视化使用t-test（small samples）进行双边假设检验Hypothesis with R数据集说明基于Galton数据集，检验儿子和女儿与母亲身高的相关性library("AzureML")...

Visualizing Data via R (box-plot,histogram,violin,scatter)load datalibrary("AzureML")ws = workspace()auto.price = download.datasets(ws, "Automobile price data (Raw)")## Coerce some character col...