{"id":50828,"date":"2022-11-19T00:00:00","date_gmt":"2022-11-19T08:00:00","guid":{"rendered":"https:\/\/griddb-linux-hte8hndjf8cka8ht.westus-01.azurewebsites.net\/%e6%9c%aa%e5%88%86%e9%a1%9e\/diabetes-prediction-using-machine-learning-java-and-griddb\/"},"modified":"2025-11-14T07:55:46","modified_gmt":"2025-11-14T15:55:46","slug":"diabetes-prediction-using-machine-learning-java-and-griddb","status":"publish","type":"post","link":"https:\/\/griddb.net\/ja\/%e6%9c%aa%e5%88%86%e9%a1%9e\/diabetes-prediction-using-machine-learning-java-and-griddb\/","title":{"rendered":"\u6a5f\u68b0\u5b66\u7fd2\u3001Java\u3001GridDB\u3092\u7528\u3044\u305f\u7cd6\u5c3f\u75c5\u4e88\u6e2c"},"content":{"rendered":"<p>\u672c\u8a18\u4e8b\u3067\u306f\u3001\u4e16\u754c\u4e2d\u306e\u591a\u304f\u306e\u4eba\u3005\u306e\u30e9\u30a4\u30d5\u30b9\u30bf\u30a4\u30eb\u3092\u52d5\u304b\u3057\u3066\u3044\u308b\u7cd6\u5c3f\u75c5\u3068\u3044\u3046\u5065\u5eb7\u7ba1\u7406\u306e\u60a9\u307f\u3092\u53d6\u308a\u4e0a\u3052\u307e\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u4e88\u6e2c\u30b7\u30b9\u30c6\u30e0\u3092\u4f5c\u6210\u3059\u308b\u305f\u3081\u306e\u6a5f\u68b0\u5b66\u7fd2\u30e2\u30c7\u30eb\u306e\u4f7f\u7528\u65b9\u6cd5\u3092\u8aac\u660e\u3057\u307e\u3059\u3002\u3053\u306e\u30e2\u30c7\u30eb\u306f\u3001\u30e9\u30f3\u30c0\u30e0\u30d5\u30a9\u30ec\u30b9\u30c8\u3092\u4f7f\u7528\u3057\u3066\u3001\u60a3\u8005\u304c\u7cd6\u5c3f\u75c5\u3067\u3042\u308b\u304b\u3069\u3046\u304b\u3092\u4e88\u6e2c\u3057\u307e\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9<strong>GridDB<\/strong>\u3092\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u3059\u308b\u305f\u3081\u306b\u5fc5\u8981\u306a\u8981\u4ef6\u3092\u6982\u8aac\u3057\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001\u6211\u3005\u306e\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u3068\u30e2\u30c7\u30eb\u306b\u3064\u3044\u3066\u7c21\u5358\u306b\u8aac\u660e\u3057\u307e\u3059\u3002\u6700\u5f8c\u306b\u3001\u7d50\u679c\u3092\u89e3\u91c8\u3057\u3001\u6211\u3005\u306e\u7d50\u8ad6\u3092\u51fa\u3057\u307e\u3059\u3002<\/p>\n<p><a href=\"https:\/\/github.com\/griddbnet\/Blogs\/tree\/diabetes-prediction\">\u5168\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u306f\u3053\u3061\u3089<\/a><\/p>\n<h2>\u5fc5\u8981\u6761\u4ef6<\/h2>\n<p><strong>GridDB<\/strong>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30fb\u30b9\u30c8\u30ec\u30fc\u30b8\u30fb\u30b7\u30b9\u30c6\u30e0\u306f\u3001\u30e9\u30f3\u30c0\u30e0\u30fb\u30d5\u30a9\u30ec\u30b9\u30c8\u30fb\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u69cb\u7bc9\u3059\u308b\u969b\u306e\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u30e1\u30e2\u30ea\u30fb\u30ea\u30bd\u30fc\u30b9\u3068\u306a\u308a\u307e\u3059\u3002<strong>GridDB<\/strong>\u3092\u5b8c\u5168\u306b\u6a5f\u80fd\u3055\u305b\u308b\u306b\u306f\u3001\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u3001\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u306b\u8a2d\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u5fc5\u305a\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u3066\u3001\u5fc5\u8981\u306a\u74b0\u5883\u5909\u6570\u3092\u66f4\u65b0\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<div class=\"clipboard\">\n<pre><code class=\"language-sh\">export GS_HOME=$PWD\nexport GS_LOG=$PWD\/log\nexport PATH=${PATH}:$GS_HOME\/bin\nexport CLASSPATH=$CLASSPATH:\/usr\/share\/java\/gridstore.jar\nexport CLASSPATH=${CLASSPATH}:\/usr\/share\/java\/weka.jar<\/code><\/pre>\n<\/div>\n<p>Java \u30af\u30e9\u30b9\u3067\u306f\u3001<strong>GridDB<\/strong> \u30af\u30e9\u30b9\u30bf\u304c\u52d5\u4f5c\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u30bf\u30b9\u30af\u306f\u3001<strong>GridDB<\/strong> \u30b3\u30f3\u30c6\u30ca\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u304b\u3089\u59cb\u3081\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u30bf\u30b9\u30af\u3067\u306f\u3001\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u306e\u30ab\u30e9\u30e0\u3067\u8868\u73fe\u3055\u308c\u308b\u30b3\u30f3\u30c6\u30ca\u30b9\u30ad\u30fc\u30de\u3092\u4f5c\u6210\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u4e0a\u8a18\u306e\u4f5c\u696d\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u306b\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30b3\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n<div class=\"clipboard\">\n<pre><code class=\"language-java\">\/\/ Manage connection to GridDB\nProperties properties = new Properties();\nproperties.setProperty(\"notificationAddress\", \"239.0.0.1\");\nproperties.setProperty(\"notificationPort\", \"31999\");\nproperties.setProperty(\"clusterName\", \"cluster\");\nproperties.setProperty(\"database\", \"public\");\nproperties.setProperty(\"user\", \"admin\");\nproperties.setProperty(\"password\", \"admin\");\n\n\/\/ Get Store and Container\nGridStore store = GridStoreFactory.getInstance().getGridStore(properties);\nstore.getContainer(\"newContainer\");\nString containerName = \"mContainer\";\n\n\/\/ Define container schema and columns\nContainerInfo containerInfo = new ContainerInfo();\nList&lt;columninfo> columnList = new ArrayList&lt;columninfo>();\ncolumnList.add(new ColumnInfo(\"key\", GSType.INTEGER));\ncolumnList.add(new ColumnInfo(\"Pregnancies\", GSType.INTEGER));\ncolumnList.add(new ColumnInfo(\"Glucose\", GSType.INTEGER));\ncolumnList.add(new ColumnInfo(\"BloodPressure\", GSType.INTEGER));\ncolumnList.add(new ColumnInfo(\"SkinThickness\", GSType.INTEGER))\ncolumnList.add(new ColumnInfo(\"Insulin\", GSType.INTEGER));\ncolumnList.add(new ColumnInfo(\"BMI\", GSType.FLOAT));\ncolumnList.add(new ColumnInfo(\"DiabetesPedigreeFunction\", GSType.FLOAT));\ncolumnList.add(new ColumnInfo(\"Age\", GSType.INTEGER));\ncolumnList.add(new ColumnInfo(\"Outcome\", GSType.INTEGER));\ncontainerInfo.setColumnInfoList(columnList);\ncontainerInfo.setRowKeyAssigned(true);\nCollection&lt;Void, Row> collection = store.putCollection(containerName, containerInfo, false);\nList&lt;row> rowList = new ArrayList&lt;row>();<\/code><\/pre>\n<\/div>\n<p>\u30e9\u30f3\u30c0\u30e0\u30d5\u30a9\u30ec\u30b9\u30c8\u306eJava\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u306f\u30014\u3064\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u30b0\u30eb\u30fc\u30d7\u304b\u3089\u30af\u30e9\u30b9\u3092\u30a4\u30f3\u30dd\u30fc\u30c8\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li><code>java.util<\/code>: used to read our dataset and write it in our database.<\/li>\n<li><code>java.io<\/code>: used for input and output operations that will be used in our program.<\/li>\n<li><code>com.toshiba.mwcloud.gs<\/code>: used to set up and operate the <strong>GridDB<\/strong> database.<\/li>\n<li><code>weka.classifier.trees<\/code>: used to implement and configure our random forest module. <\/li>\n<\/ul>\n<p>\u4e0a\u8a18\u306e\u30bf\u30b9\u30af\u3092\u5b9f\u88c5\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308bJava\u30b3\u30fc\u30c9\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n<div class=\"clipboard\">\n<pre><code class=\"language-java\">\/\/ ---------- Java Util ---------\nimport java.util.ArrayList;\nimport java.util.List;\nimport java.util.Properties;\nimport java.util.Random;\nimport java.util.Scanner;\n\n\/\/ ---------- Java IO ---------\nimport java.io.IOException;\nimport java.io.File;\nimport java.io.BufferedReader;\nimport java.io.FileReader;\n\n\/\/ ---------- GridDB ---------\nimport com.toshiba.mwcloud.gs.Collection;\nimport com.toshiba.mwcloud.gs.ColumnInfo;\nimport com.toshiba.mwcloud.gs.Container;\nimport com.toshiba.mwcloud.gs.ContainerInfo;\nimport com.toshiba.mwcloud.gs.GSType;\nimport com.toshiba.mwcloud.gs.GridStore;\nimport com.toshiba.mwcloud.gs.GridStoreFactory;\nimport com.toshiba.mwcloud.gs.Query;\nimport com.toshiba.mwcloud.gs.Row;\nimport com.toshiba.mwcloud.gs.RowSet;\n\n\/\/ ----------- Weka ---------\nimport weka.core.Instances;\nimport weka.core.converters.ConverterUtils.DataSource;\nimport weka.classifiers.trees.RandomForest;\nimport weka.classifiers.Evaluation;<\/code><\/pre>\n<\/div>\n<h2>\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8<\/h2>\n<p>\u30e9\u30f3\u30c0\u30e0\u30d5\u30a9\u30ec\u30b9\u30c8\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3092\u5b9f\u88c5\u3059\u308b\u305f\u3081\u306b\u3001\u3042\u308b\u500b\u4eba\u304c\u7cd6\u5c3f\u75c5\u304b\u3069\u3046\u304b\u3092\u8a3a\u65ad\u6e2c\u5b9a\u5024\u306b\u57fa\u3065\u3044\u3066\u4e88\u6e2c\u3059\u308b<strong>diabetes<\/strong>\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u3053\u306e\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u306f<strong>9<\/strong>\u500b\u306e\u5c5e\u6027\u3068<strong>768<\/strong>\u500b\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u304b\u3089\u69cb\u6210\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u672c\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u304c\u5bfe\u8c61\u3068\u3059\u308b\u5c5e\u6027\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n<ul>\n<li><strong>Pregnancies<\/strong>: \u598a\u5a20\u306e\u5c65\u6b74\u30c7\u30fc\u30bf\u3092\u7279\u5b9a\u3059\u308b\u305f\u3081\u306b\u7528\u3044\u308b\u6570\u5024\u3002<\/li>\n<li><strong>Glucose<\/strong>: \u30b0\u30eb\u30b3\u30fc\u30b9\u30ec\u30d9\u30eb\u3092\u6570\u5024\u5316\u3059\u308b\u305f\u3081\u306b\u7528\u3044\u308b\u6570\u5024\u3002<\/li>\n<li><strong>Blood Pressure<\/strong>: \u8840\u5727\u3092\u6570\u5024\u5316\u3057\u305f\u3082\u306e\u3002<\/li>\n<li><strong>Skin Thickness<\/strong>: \u76ae\u819a\u306e\u539a\u3055\u3092\u6570\u5024\u5316\u3059\u308b\u305f\u3081\u306b\u7528\u3044\u308b\u6570\u5024\u3002<\/li>\n<li><strong>Insulin<\/strong>: \u30a4\u30f3\u30b9\u30ea\u30f3\u30ec\u30d9\u30eb\u3092\u6570\u5024\u5316\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3059\u308b\u6570\u5024\u3002<\/li>\n<li><strong>BMI<\/strong>: Body Mass Index\u3092\u6570\u5024\u5316\u3059\u308b\u305f\u3081\u306b\u7528\u3044\u308b\u6570\u5024\u3002<\/li>\n<li><strong>Diabetes Pedigree Function<\/strong>: \u7cd6\u5c3f\u75c5\u8840\u7d71\u95a2\u6570\u3092\u5b9a\u91cf\u5316\u3059\u308b\u305f\u3081\u306b\u7528\u3044\u308b\u6570\u5024\u3002<\/li>\n<li><strong>Age<\/strong>: \u60a3\u8005\u306e\u5e74\u9f62\u3092\u5e74\u5358\u4f4d\u3067\u5b9a\u91cf\u5316\u3059\u308b\u305f\u3081\u306b\u7528\u3044\u3089\u308c\u308b\u6570\u5024\u3002<\/li>\n<li><strong>Outcome<\/strong>: \u7cd6\u5c3f\u75c5\u306e\u6709\u7121(<strong>1<\/strong>)\u3092\u5224\u5b9a\u3059\u308b\u305f\u3081\u306e2\u5024\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0b\u3001\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u306e\u629c\u7c8b\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n<div class=\"clipboard\">\n<pre><code class=\"language-sh\">Pregnancies,Glucose,BloodPressure,SkinThickness,Insulin,BMI,DiabetesPedigreeFunction,Age,Outcome\n6,148,72,35,0,33.6,0.627,50,1\n1,85,66,29,0,26.6,0.351,31,0\n8,183,64,0,0,23.3,0.672,32,1\n1,89,66,23,94,28.1,0.167,21,0\n0,137,40,35,168,43.1,2.288,33,1\n5,116,74,0,0,25.6,0.201,30,0\n3,78,50,32,88,31,0.248,26,1\n10,115,0,0,0,35.3,0.134,29,0\n2,197,70,45,543,30.5,0.158,53,1\n8,125,96,0,0,0,0.232,54,1<\/code><\/pre>\n<\/div>\n<p>Java\u3092\u4f7f\u3063\u3066<strong>\u7cd6\u5c3f\u75c5<\/strong>\u306e\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u30d5\u30a1\u30a4\u30eb\u3092\u8aad\u307f\u8fbc\u3093\u3067\u3001\u6b21\u306e\u30b9\u30c6\u30c3\u30d7\u306e\u6e96\u5099\u304c\u3067\u304d\u305f\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u4f5c\u696d\u304c\u5b8c\u4e86\u3057\u305f\u3089\u3001<strong>GridDB<\/strong>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u4f7f\u7528\u3057\u3066\u3001\u3053\u306e\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u3092\u9577\u671f\u4fdd\u5b58\u3059\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001\u4e0a\u8a18\u306e\u30b9\u30c6\u30c3\u30d7\u3092\u5b9f\u88c5\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<div class=\"clipboard\">\n<pre><code class=\"language-java\">while (sc.hasNext()){  \n    int i = 0;\n    Row row = collection.createRow();\n\n    String line = sc.next();\n    String columns[] = line.split(\",\");\n\n    int pregnancies = Integer.parseInt(columns[0]);\n    int glucose = Integer.parseInt(columns[1]);\n    int bloodpressure = Integer.parseInt(columns[2]);\n    int skinthickness = Integer.parseInt(columns[3]);\n    int insulin = Integer.parseInt(columns[4]);\n    float bmi = Float.parseFloat(columns[5]);\n    float diabetespedigreefunction = Float.parseFloat(columns[6]);\n    int age = Integer.parseInt(columns[7]);\n    int outcome = Integer.parseInt(columns[8]);\n\n    row.setInteger(0, i);\n    row.setInteger(1, pregnancies);\n    row.setInteger(2, glucose);\n    row.setInteger(3, bloodpressure);\n    row.setInteger(4, skinthickness);\n    row.setInteger(5, insulin);\n    row.setFloat(6, bmi);\n    row.setFloat(7, diabetespedigreefunction);\n    row.setInteger(8, age);\n    row.setInteger(9, outcome);\n\n    rowList.add(row);\n\n    i++;\n}<\/code><\/pre>\n<\/div>\n<h2>Java\u306b\u3088\u308b\u30e9\u30f3\u30c0\u30e0\u30d5\u30a9\u30ec\u30b9\u30c8\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306e\u5b9f\u88c5<\/h2>\n<p>\u4eca\u56de\u306f\u3001\u6c7a\u5b9a\u6728\u3092\u51cc\u99d5\u3059\u308b\u5206\u985e\u30e2\u30c7\u30eb\u3092\u63a1\u7528\u3057\u307e\u3059\u3002\u30e9\u30f3\u30c0\u30e0\u30d5\u30a9\u30ec\u30b9\u30c8\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306f\u3001\u3053\u306e\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306b\u4ed8\u3051\u3089\u308c\u305f\u540d\u524d\u3067\u3059\u3002\u306a\u305c\u3053\u306e\u30e2\u30c7\u30eb\u304c\u9078\u3070\u308c\u305f\u306e\u304b\u3092\u7406\u89e3\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u307e\u305a\u6c7a\u5b9a\u6728\u3068\u6bd4\u8f03\u3057\u305f\u5834\u5408\u306e\u5229\u70b9\u3092\u8aac\u660e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u307e\u305a\u3001\u30e9\u30f3\u30c0\u30e0\u30d5\u30a9\u30ec\u30b9\u30c8\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306f\u3001\u591a\u304f\u306e\u6728\u304c\u4f5c\u3089\u308c\u308b\u3053\u3068\u3092\u5229\u7528\u3057\u3001\u305d\u306e\u7d50\u679c\u3092\u5e73\u5747\u5316\u3059\u308b\u3053\u3068\u3067\u3001\u6700\u9ad8\u306e\u7cbe\u5ea6\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u6570\u5024\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u306b\u5bfe\u3059\u308b\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u9069\u6027\u3092\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u51fa\u6765\u307e\u3059\u3002\u7b2c\u4e8c\u306b\u3001\u6211\u3005\u306e\u554f\u984c\u6587\u306f\u7cd6\u5c3f\u75c5\u4e88\u6e2c\u3067\u3042\u308a\u3001\u8a3a\u65ad\u6e2c\u5b9a\u306b\u5927\u304d\u304f\u4f9d\u5b58\u3057\u3066\u3044\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u6570\u5024\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u3067\u3042\u308b\u305f\u3081\u3001\u30e9\u30f3\u30c0\u30e0\u30d5\u30a9\u30ec\u30b9\u30c8\u304c\u7406\u60f3\u7684\u306a\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3068\u306a\u308a\u307e\u3059\u3002\u6211\u3005\u306eJava\u5b9f\u88c5\u3067\u306f\u3001\u30e9\u30f3\u30c0\u30e0\u30d5\u30a9\u30ec\u30b9\u30c8\u306e\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u3092\u542b\u3080 <code>weka.classifier.trees<\/code> \u30d1\u30c3\u30b1\u30fc\u30b8\u304c\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u3053\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u306f\u3001\u6211\u3005\u306e\u30e2\u30c7\u30eb\u3092\u5b9f\u88c5\u3057\u3001\u30c7\u30fc\u30bf\u304c\u6709\u52b9\u3067\u6b63\u78ba\u3067\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u305f\u3081\u306e\u8a55\u4fa1\u30d7\u30ed\u30bb\u30b9\u3092\u5b9f\u884c\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n<h2>GridDB\u306b\u30c7\u30fc\u30bf\u3092\u66f8\u304d\u8fbc\u3080<\/h2>\n<p>\u9577\u671f\u4fdd\u5b58\u53ef\u80fd\u306a\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306f\u3001\u30e2\u30c7\u30eb\u306e\u518d\u5229\u7528\u6027\u3068\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u306e\u305f\u3081\u306b\u91cd\u8981\u3067\u3059\u3002\u3053\u306e\u30bb\u30c3\u30c8\u306f <code>List&lt;Row&gt;<\/code> \u30c7\u30fc\u30bf\u578b\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u307e\u305a\u5024\u3092\u30ea\u30b9\u30c8\u306b\u683c\u7d0d\u3057\u3001\u5f8c\u3067 <strong>GridDB<\/strong> \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u8ffd\u52a0\u3059\u308b\u3082\u306e\u3067\u3059\u3002<\/p>\n<p>\u672c\u7bc0\u3067\u8aac\u660e\u3059\u308b\u4f5c\u696d\u3092\u884c\u3046\u305f\u3081\u306b\u3001\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u307e\u3057\u305f\u3002<\/p>\n<div class=\"clipboard\">\n<pre><code class=\"language-java\">row.setInteger(0, i);\nrow.setInteger(1, pregnancies);\nrow.setInteger(2, glucose);\nrow.setInteger(3, bloodpressure);\nrow.setInteger(4, skinthickness);\nrow.setInteger(5, insulin);\nrow.setFloat(6, bmi);\nrow.setFloat(7, diabetespedigreefunction);\nrow.setInteger(8, age);\nrow.setInteger(9, outcome);\n\nrowList.add(row);<\/code><\/pre>\n<\/div>\n<h2>GridDB\u306b\u30c7\u30fc\u30bf\u3092\u683c\u7d0d\u3059\u308b<\/h2>\n<p>\u30c7\u30fc\u30bf\u3092 <strong>GridDB<\/strong> \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u683c\u7d0d\u3059\u308b\u305f\u3081\u306b\u3001\u6b63\u3057\u3044\u30ab\u30e9\u30e0\u540d\u3068\u30c7\u30fc\u30bf\u578b\u3092\u4f7f\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u307e\u305a\u3001\u5c5e\u6027\u306e\u30c7\u30fc\u30bf\u578b\u3092\u8abf\u3079\u3066\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u30de\u30c3\u30d4\u30f3\u30b0\u3059\u308b\u3053\u3068\u3067\u3001\u3053\u306e\u4f5c\u696d\u3092\u5b8c\u4e86\u3055\u305b\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u3092\u8abf\u67fb\u3057\u305f\u7d50\u679c\u3001\u3059\u3079\u3066\u306e\u7279\u5fb4\u304c\u6570\u5024\u3067\u3042\u308b\u3053\u3068\u304c\u5206\u304b\u308a\u307e\u3057\u305f\u3002\u3064\u307e\u308a\u3001\u6587\u5b57\u5217\u3084\u6587\u5b57\u3092\u6c7a\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u305b\u3093\u3002\u6b21\u306b\u3001\u6574\u6570\u5024\u3068\u6d6e\u52d5\u5c0f\u6570\u70b9\u6570\u3092\u533a\u5225\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u30b9\u30c6\u30c3\u30d7\u306f\u7c21\u5358\u3067\u3001BMI\u3068\u7cd6\u5c3f\u75c5\u306e\u8840\u7d71\u95a2\u6570\u306e\u30b9\u30b3\u30a2\u306f\u3059\u3079\u3066float\u3067\u3001\u305d\u306e\u4ed6\u306e\u5024\u306finteger\u3067\u3042\u308b\u3053\u3068\u304c\u308f\u5206\u304b\u308a\u307e\u3059\u3002<\/p>\n<p>\u672c\u7bc0\u3067\u8aac\u660e\u3059\u308b\u4f5c\u696d\u3092\u884c\u3046\u305f\u3081\u306b\u3001\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u307e\u3057\u305f\u3002<\/p>\n<div class=\"clipboard\">\n<pre><code class=\"language-java\">\/\/ Define container schema and columns\nContainerInfo containerInfo = new ContainerInfo();\nList&lt;columninfo> columnList = new ArrayList&lt;columninfo>();\n\ncolumnList.add(new ColumnInfo(\"key\", GSType.INTEGER));\ncolumnList.add(new ColumnInfo(\"Pregnancies\", GSType.INTEGER));\ncolumnList.add(new ColumnInfo(\"Glucose\", GSType.INTEGER));\ncolumnList.add(new ColumnInfo(\"BloodPressure\", GSType.INTEGER));\ncolumnList.add(new ColumnInfo(\"SkinThickness\", GSType.INTEGER))\ncolumnList.add(new ColumnInfo(\"Insulin\", GSType.INTEGER));\n\ncolumnList.add(new ColumnInfo(\"BMI\", GSType.FLOAT));\ncolumnList.add(new ColumnInfo(\"DiabetesPedigreeFunction\", GSType.FLOAT));\n\ncolumnList.add(new ColumnInfo(\"Age\", GSType.INTEGER));\ncolumnList.add(new ColumnInfo(\"Outcome\", GSType.INTEGER));<\/code><\/pre>\n<\/div>\n<h2>GridDB\u304b\u3089\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b<\/h2>\n<p>\u3053\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u30b3\u30fc\u30c9\u306e\u6709\u52b9\u6027\u3092\u691c\u8a3c\u3057\u307e\u3059\u3002\u3053\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u30c7\u30fc\u30bf\u304c\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u6b63\u3057\u304f\u4fdd\u5b58\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3001\u305d\u3057\u3066\u30a8\u30e9\u30fc\u304c\u306a\u3044\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002\u3053\u306e\u30bf\u30b9\u30af\u3092\u5b8c\u4e86\u3059\u308b\u305f\u3081\u306b\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u3059\u3079\u3066\u306e\u5024\u3092\u8fd4\u3059 <code>SELECT<\/code> \u30af\u30a8\u30ea\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n<p>\u672c\u7bc0\u3067\u8aac\u660e\u3059\u308b\u4f5c\u696d\u3092\u884c\u3046\u305f\u3081\u306b\u3001\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u307e\u3057\u305f\u3002<\/p>\n<div class=\"clipboard\">\n<pre><code class=\"language-java\">Container<?, Row> container = store.getContainer(containerName);\n\nif (container == null) {\n    throw new Exception(\"Container not found.\");\n}\n\nQuery&lt;row> query = container.query(\"SELECT * \");\nRowSet&lt;row> rowset = query.fetch();<\/code><\/pre>\n<\/div>\n<p>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u304b\u3089\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3057\u305f\u3089\u3001\u6b21\u306f\u30c7\u30fc\u30bf\u3092\u5370\u5237\u3057\u307e\u3059\u3002\u3053\u306e\u4f5c\u696d\u306b\u306f\u3001\u30eb\u30fc\u30d7\u3068 <code>System.out.println()<\/code> \u95a2\u6570\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n<p>\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u306f\u3001\u79c1\u305f\u3061\u306e<strong>GridDB<\/strong>\u306e\u30c7\u30fc\u30bf\u3092\u8868\u793a\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n<div class=\"clipboard\">\n<pre><code class=\"language-java\">\/\/ Print GridDB data\nwhile ( rowset.hasNext() ) {\n    Row row = rowset.next();\n\n    int pregnancies = row.getInt(0);\n    int glucose = row.getInt(1);\n    int bloodpressure = row.getInt(2);\n    int skinthickness = row.getInt(3);\n    int insulin = row.getInt(4);\n    float bmi = row.getFloat(5);\n    float diabetespedigreefunction = row.getFloat(6);\n    int age = row.getFgetIntloat(7);\n    int outcome = row.getInt(8);\n\n    System.out.println(pregnancies);\n    System.out.println(glucose);\n    System.out.println(bloodpressure);\n    System.out.println(skinthickness);\n    System.out.println(insulin);\n    System.out.println(bmi);\n    System.out.println(diabetespedigreefunction);\n    System.out.println(age);\n    System.out.println(outcome);\n}<\/code><\/pre>\n<\/div>\n<h2>\u30e9\u30f3\u30c0\u30e0\u30d5\u30a9\u30ec\u30b9\u30c8\u306e\u69cb\u7bc9<\/h2>\n<p>\u3053\u306eJava\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u306f\u3001\u30e9\u30f3\u30c0\u30e0\u30d5\u30a9\u30ec\u30b9\u30c8\u30e2\u30c7\u30eb\u304c\u3001\u60a3\u8005\u306e\u7cd6\u5c3f\u75c5\u8a3a\u65ad\u306e\u53ef\u80fd\u6027\u3092\u4e88\u6e2c\u3057\u307e\u3059\u3002\u3053\u306e\u30b3\u30fc\u30c9\u3067\u306f\u307e\u305a\u30e9\u30f3\u30c0\u30e0\u30d5\u30a9\u30ec\u30b9\u30c8\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u521d\u671f\u5316\u3057\u307e\u3059\u3002\u6b21\u306b\u6a19\u6e96\u7684\u306a<strong>WEKA<\/strong>\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u7528\u3044\u3066\u30e9\u30f3\u30c0\u30e0\u30d5\u30a9\u30ec\u30b9\u30c8\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002<\/p>\n<p>\u672c\u7bc0\u3067\u8aac\u660e\u3059\u308b\u4f5c\u696d\u3092\u884c\u3046\u305f\u3081\u306b\u3001\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u307e\u3057\u305f\u3002<\/p>\n<div class=\"clipboard\">\n<pre><code class=\"language-java\">RandomForest randomForest = new RandomForest();\n\nString[] parameters = new String[14];\n     \nparameters[0] = \"-P\";\nparameters[1] = \"100\";\nparameters[2] = \"-I\";\nparameters[3] = \"100\";\nparameters[4] = \"-num-slots\";\nparameters[5] = \"1\";\nparameters[6] = \"-K\";\nparameters[7] = \"0\";\nparameters[8] = \"-M\";\nparameters[9] = \"1.0\";\nparameters[10] = \"-V\";\nparameters[11] = \"0.001\";\nparameters[12] = \"-S\";\nparameters[13] = \"1\";\n   \nrandomForest.setOptions(parameters);<\/code><\/pre>\n<\/div>\n<p>\u30e9\u30f3\u30c0\u30e0\u30d5\u30a9\u30ec\u30b9\u30c8\u306e\u5f15\u6570\u304c\u5b9a\u7fa9\u3055\u308c\u305f\u3089\u3001\u305d\u308c\u3089\u3092\u30e2\u30c7\u30eb\u306b\u5165\u529b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u6b21\u306e\u30b9\u30c6\u30c3\u30d7\u306f\u3001\u30c8\u30ec\u30fc\u30cb\u30f3\u30b0\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u3092\u4f7f\u3063\u3066\u30e2\u30c7\u30eb\u3092\u30c8\u30ec\u30fc\u30cb\u30f3\u30b0\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u6700\u5f8c\u306b\u3001\u7cd6\u5c3f\u75c5\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u3092\u4f7f\u3063\u3066\u30e2\u30c7\u30eb\u3092\u6e96\u5099\u3057\u305f\u5f8c\u3001\u305d\u306e\u7d50\u679c\u3092\u8a55\u4fa1\u3059\u308b\u3053\u3068\u3067\u30b3\u30fc\u30c9\u3092\u5b8c\u6210\u3055\u305b\u307e\u3059\u3002<\/p>\n<p>\u672c\u7bc0\u3067\u8aac\u660e\u3059\u308b\u4f5c\u696d\u3092\u884c\u3046\u305f\u3081\u306b\u3001\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u307e\u3057\u305f\u3002<\/p>\n<div class=\"clipboard\">\n<pre><code class=\"language-java\">randomForest.setOptions(parameters);\n\nrandomForest.buildClassifier(datasetInstances);\n\nEvaluation evaluation = new Evaluation(datasetInstances);\n\nevaluation.crossValidateModel(randomForest, datasetInstances, numFolds, new Random(1));\n\nSystem.out.println(evaluation.toSummaryString(\"nResultsn======n\", true));<\/code><\/pre>\n<\/div>\n<h2>\u30b3\u30fc\u30c9\u306e\u30b3\u30f3\u30d1\u30a4\u30eb\u3068\u5b9f\u884c<\/h2>\n<p>Java\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u30b3\u30f3\u30d1\u30a4\u30eb\u3059\u308b\u305f\u3081\u306b\u3001<strong>GridDB<\/strong> \u30d5\u30a9\u30eb\u30c0\u306b\u79fb\u52d5\u3057\u3066\u3001\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u304b\u3089\u5b9f\u884c\u3057\u307e\u3059\u3002<code>javac<\/code>\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3001\u30b3\u30f3\u30d1\u30a4\u30e9\u3092\u5b9f\u884c\u3057\u3001\u30b3\u30fc\u30c9\u3092\u69cb\u7bc9\u3057\u307e\u3059\u3002\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u30b3\u30f3\u30d1\u30a4\u30eb\u3057\u305f\u3089\u3001<code>java<\/code>\u30b3\u30de\u30f3\u30c9\u3067\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n<p>\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u306f\u3001\u5f53\u793e\u306e\u8aac\u660e\u3092\u8868\u73fe\u3057\u305f\u3082\u306e\u3067\u3059\u3002<\/p>\n<div class=\"clipboard\">\n<pre><code class=\"language-sh\">javac gsSample\/randomForest.java\n\njava gsSample\/randomForest.java<\/code><\/pre>\n<\/div>\n<h2>\u7d50\u8ad6\u3068\u7d50\u679c<\/h2>\n<p>\u6700\u5f8c\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u306f\u3001\u6211\u3005\u306e\u7d50\u679c\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u60a3\u8005\u304c\u7cd6\u5c3f\u75c5\u304b\u3069\u3046\u304b\u3092\u4e88\u6e2c\u3059\u308b\u969b\u306b\u3001\u6211\u3005\u306e\u30e9\u30f3\u30c0\u30e0\u30fb\u30d5\u30a9\u30ec\u30b9\u30c8\u304c\u3069\u306e\u7a0b\u5ea6\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u767a\u63ee\u3057\u305f\u304b\u3092\u7c21\u5358\u306b\u6d88\u5316\u3059\u308b\u305f\u3081\u306b\u3001\u30e9\u30f3\u30c0\u30e0\u30d5\u30a9\u30ec\u30b9\u30c8\u306e\u51fa\u529b\u3092\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u6ce8\u76ee\u3059\u308b\u4e3b\u306a\u6570\u5024\u306f\u3001\u30e2\u30c7\u30eb\u306e\u6b63\u78ba\u3055\u3067\u3059\u3002\u3053\u306e\u6570\u5024\u306f\u3001\u6211\u3005\u306e\u30e2\u30c7\u30eb\u304c\u5b9f\u4e16\u754c\u306e\u30b7\u30ca\u30ea\u30aa\u3067\u3069\u306e\u7a0b\u5ea6\u306e\u6027\u80fd\u3092\u767a\u63ee\u3067\u304d\u308b\u304b\u3092\u8868\u3057\u3066\u3044\u307e\u3059\u3002\u6211\u3005\u306e\u30e9\u30f3\u30c0\u30e0\u30fb\u30d5\u30a9\u30ec\u30b9\u30c8\u306e\u7cd6\u5c3f\u75c5\u4e88\u6e2c\u306f\u3001<strong>90&#46;05%<\/strong>\u306e\u7cbe\u5ea6\u306b\u9054\u3057\u307e\u3057\u305f\u3002\u8aac\u660e\u3059\u308b\u3068\u3001\u3053\u308c\u306f90%\u306e\u9650\u754c\u3092\u8d85\u3048\u3066\u3044\u308b\u305f\u3081\u3001\u975e\u5e38\u306b\u9ad8\u3044\u7cbe\u5ea6\u3068\u8003\u3048\u3089\u308c\u307e\u3059\u3002\u4eca\u5f8c\u306e\u958b\u767a\u3067\u306f\u3001\u5165\u51fa\u529b\u30c7\u30fc\u30bf\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u304c\u5bb9\u6613\u3067\u3001\u30c7\u30fc\u30bf\u691c\u7d22\u306e\u30b9\u30d4\u30fc\u30c9\u304c\u901f\u3044<strong>GridDB<\/strong>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u5168\u9762\u7684\u306b\u5229\u7528\u3059\u308b\u4e88\u5b9a\u3067\u3059\u3002<\/p>\n<p>\u4ee5\u4e0b\u306e\u8981\u7d04\u51fa\u529b\u306f\u3001\u79c1\u305f\u3061\u306e\u7d50\u679c\u3068\u8a55\u4fa1\u60c5\u5831\u3092\u8868\u73fe\u3057\u305f\u3082\u306e\u3067\u3059\u3002<\/p>\n<div class=\"clipboard\">\n<pre><code class=\"language-sh\">=== Run information ===\n\nRelation:     diabetes\nInstances:    768\nAttributes:   9\n              Pregnancies\n              Glucose\n              BloodPressure\n              SkinThickness\n              Insulin\n              BMI\n              DiabetesPedigreeFunction\n              Age\n              Outcome\nTest mode:    10-fold cross-validation\n\n=== Classifier model (full training set) ===\n\nRandomForest\n\nBagging with 100 iterations and base learner\n\nTime taken to build model: 0.13 seconds\n\n=== Summary ===\n\nCorrectly Classified Instances              90.05%\nIncorrectly Classified Instances            9.95%  \nMean absolute error                         0.0995\nRelative absolute error                     9.51%\nTotal Number of Instances                   768<\/code><\/pre>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u672c\u8a18\u4e8b\u3067\u306f\u3001\u4e16\u754c\u4e2d\u306e\u591a\u304f\u306e\u4eba\u3005\u306e\u30e9\u30a4\u30d5\u30b9\u30bf\u30a4\u30eb\u3092\u52d5\u304b\u3057\u3066\u3044\u308b\u7cd6\u5c3f\u75c5\u3068\u3044\u3046\u5065\u5eb7\u7ba1\u7406\u306e\u60a9\u307f\u3092\u53d6\u308a\u4e0a\u3052\u307e\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u4e88\u6e2c\u30b7\u30b9\u30c6\u30e0\u3092\u4f5c\u6210\u3059\u308b\u305f\u3081\u306e\u6a5f\u68b0\u5b66\u7fd2\u30e2\u30c7\u30eb\u306e\u4f7f\u7528\u65b9\u6cd5\u3092\u8aac\u660e\u3057\u307e\u3059\u3002\u3053\u306e\u30e2\u30c7\u30eb\u306f\u3001\u30e9\u30f3\u30c0\u30e0\u30d5\u30a9\u30ec\u30b9\u30c8\u3092\u4f7f\u7528 [&hellip;]<\/p>\n","protected":false},"author":41,"featured_media":49493,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1005],"tags":[],"class_list":["post-50828","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-1005"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u6a5f\u68b0\u5b66\u7fd2\u3001Java\u3001GridDB\u3092\u7528\u3044\u305f\u7cd6\u5c3f\u75c5\u4e88\u6e2c | GridDB: Open Source Time Series Database for IoT<\/title>\n<meta name=\"description\" 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