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package ru.ulstu.extractor.generation.controller;
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import org.springframework.stereotype.Controller;
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import org.springframework.ui.Model;
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import org.springframework.web.bind.annotation.GetMapping;
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import org.springframework.web.bind.annotation.ModelAttribute;
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import org.springframework.web.bind.annotation.PostMapping;
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import ru.ulstu.extractor.generation.model.GenerationForm;
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import ru.ulstu.extractor.generation.service.GenerationService;
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import springfox.documentation.annotations.ApiIgnore;
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import static ru.ulstu.extractor.core.Route.GENERATION;
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@Controller
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@ApiIgnore
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public class GenerationController {
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private final GenerationService generationService;
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public GenerationController(GenerationService generationService) {
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this.generationService = generationService;
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}
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@GetMapping(GENERATION)
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public String getGenerationsPage(Model model) {
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model.addAttribute("generationForm", new GenerationForm());
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return GENERATION;
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}
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@PostMapping(GENERATION)
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public String setGenerationParams(Model model, @ModelAttribute GenerationForm generationForm) {
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model.addAttribute("generationForm", generationForm);
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generationService.generate(generationForm);
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return GENERATION;
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}
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}
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package ru.ulstu.extractor.generation.model;
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public class GenerationForm {
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private int tsLength;
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private double min;
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private double max;
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private double base;
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private double baseTendency;
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private double tendencyDynamic;
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private double randomWeight;
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public int getTsLength() {
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return tsLength;
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}
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public void setTsLength(int tsLength) {
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this.tsLength = tsLength;
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}
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public double getMin() {
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return min;
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}
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public void setMin(double min) {
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this.min = min;
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}
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public double getMax() {
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return max;
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}
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public void setMax(double max) {
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this.max = max;
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}
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public double getBase() {
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return base;
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}
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public void setBase(double base) {
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this.base = base;
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}
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public double getBaseTendency() {
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return baseTendency;
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}
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public void setBaseTendency(double baseTendency) {
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this.baseTendency = baseTendency;
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}
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public double getTendencyDynamic() {
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return tendencyDynamic;
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}
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public void setTendencyDynamic(double tendencyDynamic) {
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this.tendencyDynamic = tendencyDynamic;
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}
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public double getRandomWeight() {
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return randomWeight;
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}
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public void setRandomWeight(double randomWeight) {
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this.randomWeight = randomWeight;
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}
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}
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package ru.ulstu.extractor.generation.service;
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import org.springframework.stereotype.Service;
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import ru.ulstu.extractor.branch.model.Branch;
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import ru.ulstu.extractor.branch.service.BranchService;
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import ru.ulstu.extractor.generation.model.GenerationForm;
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import ru.ulstu.extractor.ts.model.TimeSeriesType;
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import ru.ulstu.extractor.ts.model.TimeSeriesValue;
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import ru.ulstu.extractor.ts.service.TimeSeriesService;
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import ru.ulstu.extractor.ts.util.DateUtils;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.Date;
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import java.util.List;
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@Service
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public class GenerationService {
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private final TimeSeriesService timeSeriesService;
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private final BranchService branchService;
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public GenerationService(TimeSeriesService timeSeriesService,
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BranchService branchService) {
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this.timeSeriesService = timeSeriesService;
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this.branchService = branchService;
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}
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public void generate(GenerationForm generationForm) {
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Branch branch = branchService.findByBranchId(Branch.GENERATED_BRANCH_ID).orElseThrow();
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Date startDate = DateUtils.addDays(-generationForm.getTsLength());
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Arrays.stream(TimeSeriesType.values()).forEach(tsType -> {
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List<TimeSeriesValue> tsValues = new ArrayList<>();
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for (int i = 0; i < generationForm.getTsLength(); i++) {
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tsValues.add(new TimeSeriesValue(DateUtils.addDays(startDate, i),
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getNextAdditiveValue(tsValues, generationForm)));
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}
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final String tsName = "Генерированный " + tsType.getDescription();
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timeSeriesService.save(tsName, branch, tsType, tsValues);
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});
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}
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private double getNextAdditiveValue(List<TimeSeriesValue> timeSeriesValues, GenerationForm generationForm) {
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double newValue;
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int maxTryCount = 10;
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do {
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double oneStepDiff = generationForm.getRandomWeight() * (Math.random() - 0.5) * (generationForm.getMax() - generationForm.getMin()) / (generationForm.getTsLength() + 10);
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if (timeSeriesValues.isEmpty()) {
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if (generationForm.getBaseTendency() > 0) {
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newValue = 0.1 * (generationForm.getRandomWeight() > 0.0 ? oneStepDiff : 1.0) * (generationForm.getMax() - generationForm.getMin());
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} else if (generationForm.getBaseTendency() < 0) {
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newValue = generationForm.getMax() - 0.1 * (generationForm.getRandomWeight() > 0.0 ? oneStepDiff : 1.0) * (generationForm.getMax() - generationForm.getMin());
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} else {
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newValue = generationForm.getBase();
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}
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} else {
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newValue = timeSeriesValues.get(timeSeriesValues.size() - 1).getValue()
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+ (generationForm.getRandomWeight() > 0.0 ? oneStepDiff : 1.0) * generationForm.getBaseTendency()
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* ((generationForm.getMax() - generationForm.getMin()) / (generationForm.getTsLength() + 10))
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* generationForm.getTendencyDynamic();
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}
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maxTryCount--;
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} while (((newValue <= generationForm.getMin())
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|| (newValue >= generationForm.getMax()))
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&& (maxTryCount > 0));
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return newValue;
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}
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}
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@ -0,0 +1,74 @@
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<!DOCTYPE html SYSTEM "http://www.thymeleaf.org/dtd/xhtml1-strict-thymeleaf-spring4-4.dtd">
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<html
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xmlns:layout="http://www.ultraq.net.nz/thymeleaf/layout" xmlns:th="http://www.w3.org/1999/xhtml"
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layout:decorate="~{default}">
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<head>
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<title>Генерация</title>
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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
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</head>
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<div class="container" layout:fragment="content">
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<form action="#" th:action="${@route.GENERATION}" th:object="${generationForm}" method="post">
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<div class="row">
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<div class="col-md-4 col-sm-12">
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Длина временных рядов
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</div>
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<div class="col-md-6 col-sm-12">
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<input type="text" class="form-control m-1" th:field="*{tsLength}">
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</div>
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</div>
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<div class="row">
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<div class="col-md-4 col-sm-12">
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Минимум
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</div>
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<div class="col-md-6 col-sm-12">
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<input type="text" class="form-control m-1" th:field="*{min}">
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</div>
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</div>
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<div class="row">
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<div class="col-md-4 col-sm-12">
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Максимум
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</div>
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<div class="col-md-6 col-sm-12">
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<input type="text" class="form-control m-1" th:field="*{max}">
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</div>
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</div>
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<div class="row">
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<div class="col-md-4 col-sm-12">
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Основное значение
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</div>
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<div class="col-md-6 col-sm-12">
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<input type="text" class="form-control m-1" th:field="*{base}">
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</div>
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</div>
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<div class="row">
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<div class="col-md-4 col-sm-12">
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Основная тенденция
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</div>
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<div class="col-md-6 col-sm-12">
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<input type="text" class="form-control m-1" th:field="*{baseTendency}">
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</div>
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</div>
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<div class="row">
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<div class="col-md-4 col-sm-12">
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Динамика тенденции
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</div>
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<div class="col-md-6 col-sm-12">
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<input type="text" class="form-control m-1" th:field="*{tendencyDynamic}">
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</div>
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</div>
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<div class="row">
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<div class="col-md-4 col-sm-12">
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Величина шума
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</div>
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<div class="col-md-6 col-sm-12">
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<input type="text" class="form-control m-1" th:field="*{randomWeight}">
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</div>
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</div>
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<div class="row">
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<div class="col-md-4 col-sm-12">
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<input type="submit" class="btn btn-outline-success form-control" value="Сгенерировать временные ряды"/>
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</div>
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</div>
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</form>
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</div>
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</html>
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Loading…
Reference in New Issue