MovingAverage.html 23 KB

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  95. <div class="subTitle">org.jfree.data.time</div>
  96. <h2 title="Class MovingAverage" class="title">Class MovingAverage</h2>
  97. </div>
  98. <div class="contentContainer">
  99. <ul class="inheritance">
  100. <li>java.lang.Object</li>
  101. <li>
  102. <ul class="inheritance">
  103. <li>org.jfree.data.time.MovingAverage</li>
  104. </ul>
  105. </li>
  106. </ul>
  107. <div class="description">
  108. <ul class="blockList">
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  111. <br>
  112. <pre>public class <a href="../../../../src-html/org/jfree/data/time/MovingAverage.html#line.61">MovingAverage</a>
  113. extends java.lang.Object</pre>
  114. <div class="block">A utility class for calculating moving averages of time series data.</div>
  115. </li>
  116. </ul>
  117. </div>
  118. <div class="summary">
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  128. <caption><span>Constructors</span><span class="tabEnd">&nbsp;</span></caption>
  129. <tr>
  130. <th class="colOne" scope="col">Constructor and Description</th>
  131. </tr>
  132. <tr class="altColor">
  133. <td class="colOne"><code><span class="memberNameLink"><a href="../../../../org/jfree/data/time/MovingAverage.html#MovingAverage--">MovingAverage</a></span>()</code>&nbsp;</td>
  134. </tr>
  135. </table>
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  143. <h3>Method Summary</h3>
  144. <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation">
  145. <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
  146. <tr>
  147. <th class="colFirst" scope="col">Modifier and Type</th>
  148. <th class="colLast" scope="col">Method and Description</th>
  149. </tr>
  150. <tr id="i0" class="altColor">
  151. <td class="colFirst"><code>static <a href="../../../../org/jfree/data/time/TimeSeriesCollection.html" title="class in org.jfree.data.time">TimeSeriesCollection</a></code></td>
  152. <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/jfree/data/time/MovingAverage.html#createMovingAverage-org.jfree.data.time.TimeSeriesCollection-java.lang.String-int-int-">createMovingAverage</a></span>(<a href="../../../../org/jfree/data/time/TimeSeriesCollection.html" title="class in org.jfree.data.time">TimeSeriesCollection</a>&nbsp;source,
  153. java.lang.String&nbsp;suffix,
  154. int&nbsp;periodCount,
  155. int&nbsp;skip)</code>
  156. <div class="block">Creates a new <a href="../../../../org/jfree/data/time/TimeSeriesCollection.html" title="class in org.jfree.data.time"><code>TimeSeriesCollection</code></a> containing a moving average
  157. series for each series in the source collection.</div>
  158. </td>
  159. </tr>
  160. <tr id="i1" class="rowColor">
  161. <td class="colFirst"><code>static <a href="../../../../org/jfree/data/time/TimeSeries.html" title="class in org.jfree.data.time">TimeSeries</a></code></td>
  162. <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/jfree/data/time/MovingAverage.html#createMovingAverage-org.jfree.data.time.TimeSeries-java.lang.String-int-int-">createMovingAverage</a></span>(<a href="../../../../org/jfree/data/time/TimeSeries.html" title="class in org.jfree.data.time">TimeSeries</a>&nbsp;source,
  163. java.lang.String&nbsp;name,
  164. int&nbsp;periodCount,
  165. int&nbsp;skip)</code>
  166. <div class="block">Creates a new <a href="../../../../org/jfree/data/time/TimeSeries.html" title="class in org.jfree.data.time"><code>TimeSeries</code></a> containing moving average values for
  167. the given series.</div>
  168. </td>
  169. </tr>
  170. <tr id="i2" class="altColor">
  171. <td class="colFirst"><code>static <a href="../../../../org/jfree/data/xy/XYSeries.html" title="class in org.jfree.data.xy">XYSeries</a></code></td>
  172. <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/jfree/data/time/MovingAverage.html#createMovingAverage-org.jfree.data.xy.XYDataset-int-java.lang.String-double-double-">createMovingAverage</a></span>(<a href="../../../../org/jfree/data/xy/XYDataset.html" title="interface in org.jfree.data.xy">XYDataset</a>&nbsp;source,
  173. int&nbsp;series,
  174. java.lang.String&nbsp;name,
  175. double&nbsp;period,
  176. double&nbsp;skip)</code>
  177. <div class="block">Creates a new <a href="../../../../org/jfree/data/xy/XYSeries.html" title="class in org.jfree.data.xy"><code>XYSeries</code></a> containing the moving averages of one
  178. series in the <code>source</code> dataset.</div>
  179. </td>
  180. </tr>
  181. <tr id="i3" class="rowColor">
  182. <td class="colFirst"><code>static <a href="../../../../org/jfree/data/xy/XYDataset.html" title="interface in org.jfree.data.xy">XYDataset</a></code></td>
  183. <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/jfree/data/time/MovingAverage.html#createMovingAverage-org.jfree.data.xy.XYDataset-java.lang.String-double-double-">createMovingAverage</a></span>(<a href="../../../../org/jfree/data/xy/XYDataset.html" title="interface in org.jfree.data.xy">XYDataset</a>&nbsp;source,
  184. java.lang.String&nbsp;suffix,
  185. double&nbsp;period,
  186. double&nbsp;skip)</code>
  187. <div class="block">Creates a new <a href="../../../../org/jfree/data/xy/XYDataset.html" title="interface in org.jfree.data.xy"><code>XYDataset</code></a> containing the moving averages of each
  188. series in the <code>source</code> dataset.</div>
  189. </td>
  190. </tr>
  191. <tr id="i4" class="altColor">
  192. <td class="colFirst"><code>static <a href="../../../../org/jfree/data/xy/XYDataset.html" title="interface in org.jfree.data.xy">XYDataset</a></code></td>
  193. <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/jfree/data/time/MovingAverage.html#createMovingAverage-org.jfree.data.xy.XYDataset-java.lang.String-long-long-">createMovingAverage</a></span>(<a href="../../../../org/jfree/data/xy/XYDataset.html" title="interface in org.jfree.data.xy">XYDataset</a>&nbsp;source,
  194. java.lang.String&nbsp;suffix,
  195. long&nbsp;period,
  196. long&nbsp;skip)</code>
  197. <div class="block">Creates a new <a href="../../../../org/jfree/data/xy/XYDataset.html" title="interface in org.jfree.data.xy"><code>XYDataset</code></a> containing the moving averages of each
  198. series in the <code>source</code> dataset.</div>
  199. </td>
  200. </tr>
  201. <tr id="i5" class="rowColor">
  202. <td class="colFirst"><code>static <a href="../../../../org/jfree/data/time/TimeSeries.html" title="class in org.jfree.data.time">TimeSeries</a></code></td>
  203. <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/jfree/data/time/MovingAverage.html#createPointMovingAverage-org.jfree.data.time.TimeSeries-java.lang.String-int-">createPointMovingAverage</a></span>(<a href="../../../../org/jfree/data/time/TimeSeries.html" title="class in org.jfree.data.time">TimeSeries</a>&nbsp;source,
  204. java.lang.String&nbsp;name,
  205. int&nbsp;pointCount)</code>
  206. <div class="block">Creates a new <a href="../../../../org/jfree/data/time/TimeSeries.html" title="class in org.jfree.data.time"><code>TimeSeries</code></a> containing moving average values for
  207. the given series, calculated by number of points (irrespective of the
  208. 'age' of those points).</div>
  209. </td>
  210. </tr>
  211. </table>
  212. <ul class="blockList">
  213. <li class="blockList"><a name="methods.inherited.from.class.java.lang.Object">
  214. <!-- -->
  215. </a>
  216. <h3>Methods inherited from class&nbsp;java.lang.Object</h3>
  217. <code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li>
  218. </ul>
  219. </li>
  220. </ul>
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  222. </ul>
  223. </div>
  224. <div class="details">
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  227. <!-- ========= CONSTRUCTOR DETAIL ======== -->
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  230. <!-- -->
  231. </a>
  232. <h3>Constructor Detail</h3>
  233. <a name="MovingAverage--">
  234. <!-- -->
  235. </a>
  236. <ul class="blockListLast">
  237. <li class="blockList">
  238. <h4>MovingAverage</h4>
  239. <pre>public&nbsp;<a href="../../../../src-html/org/jfree/data/time/MovingAverage.html#line.61">MovingAverage</a>()</pre>
  240. </li>
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  249. <h3>Method Detail</h3>
  250. <a name="createMovingAverage-org.jfree.data.time.TimeSeriesCollection-java.lang.String-int-int-">
  251. <!-- -->
  252. </a>
  253. <ul class="blockList">
  254. <li class="blockList">
  255. <h4>createMovingAverage</h4>
  256. <pre>public static&nbsp;<a href="../../../../org/jfree/data/time/TimeSeriesCollection.html" title="class in org.jfree.data.time">TimeSeriesCollection</a>&nbsp;<a href="../../../../src-html/org/jfree/data/time/MovingAverage.html#line.76">createMovingAverage</a>(<a href="../../../../org/jfree/data/time/TimeSeriesCollection.html" title="class in org.jfree.data.time">TimeSeriesCollection</a>&nbsp;source,
  257. java.lang.String&nbsp;suffix,
  258. int&nbsp;periodCount,
  259. int&nbsp;skip)</pre>
  260. <div class="block">Creates a new <a href="../../../../org/jfree/data/time/TimeSeriesCollection.html" title="class in org.jfree.data.time"><code>TimeSeriesCollection</code></a> containing a moving average
  261. series for each series in the source collection.</div>
  262. <dl>
  263. <dt><span class="paramLabel">Parameters:</span></dt>
  264. <dd><code>source</code> - the source collection.</dd>
  265. <dd><code>suffix</code> - the suffix added to each source series name to create the
  266. corresponding moving average series name.</dd>
  267. <dd><code>periodCount</code> - the number of periods in the moving average
  268. calculation.</dd>
  269. <dd><code>skip</code> - the number of initial periods to skip.</dd>
  270. <dt><span class="returnLabel">Returns:</span></dt>
  271. <dd>A collection of moving average time series.</dd>
  272. </dl>
  273. </li>
  274. </ul>
  275. <a name="createMovingAverage-org.jfree.data.time.TimeSeries-java.lang.String-int-int-">
  276. <!-- -->
  277. </a>
  278. <ul class="blockList">
  279. <li class="blockList">
  280. <h4>createMovingAverage</h4>
  281. <pre>public static&nbsp;<a href="../../../../org/jfree/data/time/TimeSeries.html" title="class in org.jfree.data.time">TimeSeries</a>&nbsp;<a href="../../../../src-html/org/jfree/data/time/MovingAverage.html#line.110">createMovingAverage</a>(<a href="../../../../org/jfree/data/time/TimeSeries.html" title="class in org.jfree.data.time">TimeSeries</a>&nbsp;source,
  282. java.lang.String&nbsp;name,
  283. int&nbsp;periodCount,
  284. int&nbsp;skip)</pre>
  285. <div class="block">Creates a new <a href="../../../../org/jfree/data/time/TimeSeries.html" title="class in org.jfree.data.time"><code>TimeSeries</code></a> containing moving average values for
  286. the given series. If the series is empty (contains zero items), the
  287. result is an empty series.</div>
  288. <dl>
  289. <dt><span class="paramLabel">Parameters:</span></dt>
  290. <dd><code>source</code> - the source series.</dd>
  291. <dd><code>name</code> - the name of the new series.</dd>
  292. <dd><code>periodCount</code> - the number of periods used in the average
  293. calculation.</dd>
  294. <dd><code>skip</code> - the number of initial periods to skip.</dd>
  295. <dt><span class="returnLabel">Returns:</span></dt>
  296. <dd>The moving average series.</dd>
  297. </dl>
  298. </li>
  299. </ul>
  300. <a name="createPointMovingAverage-org.jfree.data.time.TimeSeries-java.lang.String-int-">
  301. <!-- -->
  302. </a>
  303. <ul class="blockList">
  304. <li class="blockList">
  305. <h4>createPointMovingAverage</h4>
  306. <pre>public static&nbsp;<a href="../../../../org/jfree/data/time/TimeSeries.html" title="class in org.jfree.data.time">TimeSeries</a>&nbsp;<a href="../../../../src-html/org/jfree/data/time/MovingAverage.html#line.191">createPointMovingAverage</a>(<a href="../../../../org/jfree/data/time/TimeSeries.html" title="class in org.jfree.data.time">TimeSeries</a>&nbsp;source,
  307. java.lang.String&nbsp;name,
  308. int&nbsp;pointCount)</pre>
  309. <div class="block">Creates a new <a href="../../../../org/jfree/data/time/TimeSeries.html" title="class in org.jfree.data.time"><code>TimeSeries</code></a> containing moving average values for
  310. the given series, calculated by number of points (irrespective of the
  311. 'age' of those points). If the series is empty (contains zero items),
  312. the result is an empty series.
  313. <p>
  314. Developed by Benoit Xhenseval (www.ObjectLab.co.uk).</div>
  315. <dl>
  316. <dt><span class="paramLabel">Parameters:</span></dt>
  317. <dd><code>source</code> - the source series.</dd>
  318. <dd><code>name</code> - the name of the new series.</dd>
  319. <dd><code>pointCount</code> - the number of POINTS used in the average calculation
  320. (not periods!)</dd>
  321. <dt><span class="returnLabel">Returns:</span></dt>
  322. <dd>The moving average series.</dd>
  323. </dl>
  324. </li>
  325. </ul>
  326. <a name="createMovingAverage-org.jfree.data.xy.XYDataset-java.lang.String-long-long-">
  327. <!-- -->
  328. </a>
  329. <ul class="blockList">
  330. <li class="blockList">
  331. <h4>createMovingAverage</h4>
  332. <pre>public static&nbsp;<a href="../../../../org/jfree/data/xy/XYDataset.html" title="interface in org.jfree.data.xy">XYDataset</a>&nbsp;<a href="../../../../src-html/org/jfree/data/time/MovingAverage.html#line.236">createMovingAverage</a>(<a href="../../../../org/jfree/data/xy/XYDataset.html" title="interface in org.jfree.data.xy">XYDataset</a>&nbsp;source,
  333. java.lang.String&nbsp;suffix,
  334. long&nbsp;period,
  335. long&nbsp;skip)</pre>
  336. <div class="block">Creates a new <a href="../../../../org/jfree/data/xy/XYDataset.html" title="interface in org.jfree.data.xy"><code>XYDataset</code></a> containing the moving averages of each
  337. series in the <code>source</code> dataset.</div>
  338. <dl>
  339. <dt><span class="paramLabel">Parameters:</span></dt>
  340. <dd><code>source</code> - the source dataset.</dd>
  341. <dd><code>suffix</code> - the string to append to source series names to create
  342. target series names.</dd>
  343. <dd><code>period</code> - the averaging period.</dd>
  344. <dd><code>skip</code> - the length of the initial skip period.</dd>
  345. <dt><span class="returnLabel">Returns:</span></dt>
  346. <dd>The dataset.</dd>
  347. </dl>
  348. </li>
  349. </ul>
  350. <a name="createMovingAverage-org.jfree.data.xy.XYDataset-java.lang.String-double-double-">
  351. <!-- -->
  352. </a>
  353. <ul class="blockList">
  354. <li class="blockList">
  355. <h4>createMovingAverage</h4>
  356. <pre>public static&nbsp;<a href="../../../../org/jfree/data/xy/XYDataset.html" title="interface in org.jfree.data.xy">XYDataset</a>&nbsp;<a href="../../../../src-html/org/jfree/data/time/MovingAverage.html#line.257">createMovingAverage</a>(<a href="../../../../org/jfree/data/xy/XYDataset.html" title="interface in org.jfree.data.xy">XYDataset</a>&nbsp;source,
  357. java.lang.String&nbsp;suffix,
  358. double&nbsp;period,
  359. double&nbsp;skip)</pre>
  360. <div class="block">Creates a new <a href="../../../../org/jfree/data/xy/XYDataset.html" title="interface in org.jfree.data.xy"><code>XYDataset</code></a> containing the moving averages of each
  361. series in the <code>source</code> dataset.</div>
  362. <dl>
  363. <dt><span class="paramLabel">Parameters:</span></dt>
  364. <dd><code>source</code> - the source dataset.</dd>
  365. <dd><code>suffix</code> - the string to append to source series names to create
  366. target series names.</dd>
  367. <dd><code>period</code> - the averaging period.</dd>
  368. <dd><code>skip</code> - the length of the initial skip period.</dd>
  369. <dt><span class="returnLabel">Returns:</span></dt>
  370. <dd>The dataset.</dd>
  371. </dl>
  372. </li>
  373. </ul>
  374. <a name="createMovingAverage-org.jfree.data.xy.XYDataset-int-java.lang.String-double-double-">
  375. <!-- -->
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  379. <h4>createMovingAverage</h4>
  380. <pre>public static&nbsp;<a href="../../../../org/jfree/data/xy/XYSeries.html" title="class in org.jfree.data.xy">XYSeries</a>&nbsp;<a href="../../../../src-html/org/jfree/data/time/MovingAverage.html#line.282">createMovingAverage</a>(<a href="../../../../org/jfree/data/xy/XYDataset.html" title="interface in org.jfree.data.xy">XYDataset</a>&nbsp;source,
  381. int&nbsp;series,
  382. java.lang.String&nbsp;name,
  383. double&nbsp;period,
  384. double&nbsp;skip)</pre>
  385. <div class="block">Creates a new <a href="../../../../org/jfree/data/xy/XYSeries.html" title="class in org.jfree.data.xy"><code>XYSeries</code></a> containing the moving averages of one
  386. series in the <code>source</code> dataset.</div>
  387. <dl>
  388. <dt><span class="paramLabel">Parameters:</span></dt>
  389. <dd><code>source</code> - the source dataset.</dd>
  390. <dd><code>series</code> - the series index (zero based).</dd>
  391. <dd><code>name</code> - the name for the new series.</dd>
  392. <dd><code>period</code> - the averaging period.</dd>
  393. <dd><code>skip</code> - the length of the initial skip period.</dd>
  394. <dt><span class="returnLabel">Returns:</span></dt>
  395. <dd>The dataset.</dd>
  396. </dl>
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