diff --git a/README.md b/README.md index 7cb76f4..86b6dbf 100644 --- a/README.md +++ b/README.md @@ -18,7 +18,9 @@ Create model input data file from Yahoo Finance stock ticker API for particular Train multi variable time series model against input data and output prediction of values in the original problem space: -`docker run --volume /local/path/to/api.json:/tmp/ml_timeseries/api.json --volume /local/path/to/prediction.json:/tmp/ml_timeseries/prediction.json docker.pkg.github.com/vraid-systems/ml_timeseries/main:2.0.0` +`docker run --env MODEL=lstm --volume /local/path/to/api.json:/tmp/ml_timeseries/api.json --volume /local/path/to/prediction.json:/tmp/ml_timeseries/prediction.json docker.pkg.github.com/vraid-systems/ml_timeseries/main:2.0.0` + +Note that `MODEL` can be `arima` or `lstm`. Label the predicted features: diff --git a/package-lock.json b/package-lock.json index 9ae1fa9..dd06efb 100644 --- a/package-lock.json +++ b/package-lock.json @@ -1227,6 +1227,11 @@ } } }, + "arima": { + "version": "0.1.0", + "resolved": "https://registry.npmjs.org/arima/-/arima-0.1.0.tgz", + "integrity": "sha512-AI0RWPsQNF9SLMc5/fTQH3bRP6SMTjKihRIoszHoYBQm5ZJ6aKKAo8wBs1AYMgvk4q/ZyXXfrv49KUXG4Ir1Nw==" + }, "arr-diff": { "version": "4.0.0", "resolved": "https://registry.npmjs.org/arr-diff/-/arr-diff-4.0.0.tgz", diff --git a/package.json b/package.json index 1b913db..efe1421 100644 --- a/package.json +++ b/package.json @@ -11,6 +11,7 @@ }, "dependencies": { "@tensorflow/tfjs-node": "^2.0.1", + "arima": "0.1.0", "array-smooth": "^1.0.0", "axios": "^0.19.2", "lodash": "^4.17.19", diff --git a/src/MultiVariableArima.js b/src/MultiVariableArima.js new file mode 100644 index 0000000..cb7f497 --- /dev/null +++ b/src/MultiVariableArima.js @@ -0,0 +1,76 @@ +const arima = require('arima') +const lodash = require('lodash') + +class MultiVariableArima { + constructor( + ascendingHistoricalData, + barsToPredict = 4, + ) { + this.barsToPredict = barsToPredict + this.numberOfFeatureVariables = ascendingHistoricalData[0].length - 1 + this.positionOfTimeFeature = 0 + + this.historicalData = ascendingHistoricalData.filter( + (currentElement) => (currentElement.length - 1) === this.numberOfFeatureVariables, + ) + this.historicalFeatureValues = this.historicalData.map( + (currentFeatureTuple) => currentFeatureTuple.filter( + ( + currentElementInTuple, currentIndexInTuple, + ) => currentIndexInTuple !== this.positionOfTimeFeature, + ), + ) + } + + predictNextBars() { + const historicalTimeBars = this.historicalData.map( + (currentFeatureTuple) => currentFeatureTuple[this.positionOfTimeFeature], + ) + const barSize = Math.abs(historicalTimeBars[1] - historicalTimeBars[0]) + const mostRecentTimeBar = historicalTimeBars[historicalTimeBars.length - 1] + + const getFeatureByPosition = ( + historicalFeatureValues, + featurePosition, + ) => historicalFeatureValues.map( + (currentFeatureTuple) => currentFeatureTuple.filter( + ( + currentElementInTuple, currentIndexInTuple, + ) => currentIndexInTuple === featurePosition, + ), + ) + + const allFeaturePredictions = [] + for (let index = 0; index < this.numberOfFeatureVariables; index += 1) { + const [singleFeaturePredictions] = arima( + getFeatureByPosition(this.historicalFeatureValues, index), + this.barsToPredict, + { + auto: false, + d: 0, // Number of times the series needs to be differenced + method: 0, // ARIMA method (Default: 0) + optimizer: 6, // Optimization method (Default: 6) + p: 1, // Number of Autoregressive coefficients + q: 1, // Number of Moving Average Coefficients + transpose: false, + verbose: true, // Output model analysis to console + }, + ) + allFeaturePredictions.push(singleFeaturePredictions) + } + const predictedFeatureTuples = lodash.zip(...allFeaturePredictions) + + const predictedNextBars = [] + for (let index = 0; index < this.barsToPredict; index += 1) { + const nextBarNumber = index + 1 + predictedNextBars.push({ + time: mostRecentTimeBar + (barSize * nextBarNumber), + features: predictedFeatureTuples[index], + }) + } + + return predictedNextBars + } +} + +module.exports = MultiVariableArima diff --git a/src/MultiVariableArima.test.js b/src/MultiVariableArima.test.js new file mode 100644 index 0000000..beeb29c --- /dev/null +++ b/src/MultiVariableArima.test.js @@ -0,0 +1,2278 @@ +const lodash = require('lodash') +const MultiVariableArima = require('./MultiVariableArima') +const QuadencyHistoricalData = require('./QuadencyHistoricalData') + +describe('MultiVariableArima', () => { + jest.setTimeout(900000) // 15 minutes + + test('predicting the next multivariable bars completes', () => { + const historialBEPTickerData = [ + [ + 1588599000, + 36.266987, + 84316, + ], + [ + 1588602600, + 36.251, + 32646, + ], + [ + 1588606200, + 35.915268, + 14323, + ], + [ + 1588609800, + 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+ + expect(predictedNextBars).not.toBeNull() + expect(predictedNextBars.length).toBe(timeSeriesModel.barsToPredict) + expect(predictedNextBars[0].features.length).toBe(2) + }) + + test('predicting the next single variable bars completes', () => { + const historicalBtcData = { + 'BTC/USD': [['1594659600000', '9315.79504335'], ['1594656000000', '9302.68080851'], ['1594652400000', '9290.33982498'], ['1594648800000', '9305.68288651'], ['1594645200000', '9320.72423550'], ['1594641600000', '9319.09067939'], ['1594638000000', '9313.21557596'], ['1594634400000', '9290.76637287'], ['1594630800000', '9283.68033846'], ['1594627200000', '9282.06883222'], ['1594623600000', '9267.72854092'], ['1594620000000', '9261.16229964'], ['1594616400000', '9281.86698497'], ['1594612800000', '9267.38912979'], ['1594609200000', '9274.02812314'], ['1594605600000', '9278.60710364'], ['1594602000000', '9282.66568840'], ['1594598400000', '9275.61569003'], ['1594594800000', '9305.22447912'], ['1594591200000', 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['1569661200000', '8220.68000000'], ['1569657600000', '8190.01000000'], ['1569654000000', '8231.21000000'], ['1569650400000', '8164.72000000'], ['1569646800000', '8177.89000000'], ['1569643200000', '8184.91000000'], ['1569639600000', '8176.47000000'], ['1569636000000', '8187.44000000'], ['1569632400000', '8171.75000000'], ['1569628800000', '8214.44000000'], ['1569625200000', '8189.20000000'], ['1569621600000', '8190.10000000'], ['1569618000000', '8231.51000000'], ['1569614400000', '8059.28000000'], ['1569610800000', '8018.38000000'], ['1569607200000', '8052.76000000'], ['1569603600000', '8038.24000000'], ['1569600000000', '8008.25000000'], ['1569596400000', '7969.37000000'], ['1569592800000', '7997.82000000'], ['1569589200000', '7990.39000000'], ['1569585600000', '7986.91000000'], ['1569582000000', '7988.73000000'], ['1569578400000', '8052.52000000'], ['1569574800000', '8027.92000000'], ['1569571200000', '8072.60000000'], ['1569567600000', '8072.17000000'], ['1569564000000', '8029.21000000']], + } + const parsedHistoricalBtcData = QuadencyHistoricalData.parseQuadencyNumerics( + historicalBtcData, + ) + + const btcUsdPairData = lodash.reverse(parsedHistoricalBtcData['BTC/USD']) + const timeSeriesModel = new MultiVariableArima(btcUsdPairData, 4) + const predictedNextBars = timeSeriesModel.predictNextBars() + + expect(predictedNextBars).not.toBeNull() + expect(predictedNextBars.length).toBe(timeSeriesModel.barsToPredict) + expect(predictedNextBars[0].features.length).toBe(1) + }) +}) diff --git a/src/MultiVariableTimeSeriesModel.js b/src/MultiVariableLstm.js similarity index 94% rename from src/MultiVariableTimeSeriesModel.js rename to src/MultiVariableLstm.js index c4f561c..48af310 100644 --- a/src/MultiVariableTimeSeriesModel.js +++ b/src/MultiVariableLstm.js @@ -1,7 +1,7 @@ const lodash = require('lodash') const tf = require('@tensorflow/tfjs-node') -class MultiVariableTimeSeriesModel { +class MultiVariableLstm { constructor( ascendingHistoricalData, barsToPredict = 4, @@ -23,6 +23,14 @@ class MultiVariableTimeSeriesModel { this.historicalData = ascendingHistoricalData.filter( (currentElement) => (currentElement.length - 1) === this.numberOfFeatureVariables, ) + this.historicalFeatureValues = this.historicalData.map( + (currentFeatureTuple) => currentFeatureTuple.filter( + ( + currentElementInTuple, currentIndexInTuple, + ) => currentIndexInTuple !== this.positionOfTimeFeature, + ), + ) + this.numberOfSplits = Math.floor( ( this.historicalData.length - this.learningLookBack @@ -118,16 +126,9 @@ class MultiVariableTimeSeriesModel { const barSize = Math.abs(historicalTimeBars[1] - historicalTimeBars[0]) const mostRecentTimeBar = historicalTimeBars[historicalTimeBars.length - 1] - const historicalFeatureValues = this.historicalData.map( - (currentFeatureTuple) => currentFeatureTuple.filter( - ( - currentElementInTuple, currentIndexInTuple, - ) => currentIndexInTuple !== this.positionOfTimeFeature, - ), - ) - const featureTuplesToPredictFrom = historicalFeatureValues.slice( - historicalFeatureValues.length - this.barsToPredict, - historicalFeatureValues.length, + const featureTuplesToPredictFrom = this.historicalFeatureValues.slice( + this.historicalFeatureValues.length - this.barsToPredict, + this.historicalFeatureValues.length, ) const predictedFeatureTuples = await this.predict(featureTuplesToPredictFrom) @@ -190,4 +191,4 @@ class MultiVariableTimeSeriesModel { } } -module.exports = MultiVariableTimeSeriesModel +module.exports = MultiVariableLstm diff --git a/src/MultiVariableTimeSeriesModel.test.js b/src/MultiVariableLstm.test.js similarity index 99% rename from src/MultiVariableTimeSeriesModel.test.js rename to src/MultiVariableLstm.test.js index 9d4de3c..6c2b453 100644 --- a/src/MultiVariableTimeSeriesModel.test.js +++ b/src/MultiVariableLstm.test.js @@ -1,8 +1,8 @@ const lodash = require('lodash') -const MultiVariableTimeSeriesModel = require('./MultiVariableTimeSeriesModel') +const MultiVariableLstm = require('./MultiVariableLstm') const QuadencyHistoricalData = require('./QuadencyHistoricalData') -describe('MultiVariableTimeSeriesModel', () => { +describe('MultiVariableLstm', () => { jest.setTimeout(900000) // 15 minutes test('predicting the next multivariable bars completes', async () => { @@ -2249,7 +2249,7 @@ describe('MultiVariableTimeSeriesModel', () => { ], ] - const timeSeriesModel = new MultiVariableTimeSeriesModel( + const timeSeriesModel = new MultiVariableLstm( historialBEPTickerData, 4, 0.01, 1, ) await timeSeriesModel.train() @@ -2269,7 +2269,7 @@ describe('MultiVariableTimeSeriesModel', () => { ) const btcUsdPairData = lodash.reverse(parsedHistoricalBtcData['BTC/USD']) - const timeSeriesModel = new MultiVariableTimeSeriesModel(btcUsdPairData, 4, 0.01, 1) + const timeSeriesModel = new MultiVariableLstm(btcUsdPairData, 4, 0.01, 1) await timeSeriesModel.train() const predictedNextBars = await timeSeriesModel.predictNextBars() diff --git a/src/index.js b/src/index.js index df9e835..6f21507 100644 --- a/src/index.js +++ b/src/index.js @@ -1,7 +1,8 @@ const fs = require('fs') const lodash = require('lodash') -const MultiVariableTimeSeriesModel = require('./MultiVariableTimeSeriesModel') +const MultiVariableArima = require('./MultiVariableArima') +const MultiVariableLstm = require('./MultiVariableLstm') const QuadencyHistoricalData = require('./QuadencyHistoricalData') const QuadencyItervalEnum = require('./QuadencyIntervalEnum') @@ -17,13 +18,20 @@ const predictionFileLocation = '/tmp/ml_timeseries/prediction.json' const cryptoTickers = process.env.CRYPTO ? process.env.CRYPTO.split(',') : null const featureLabels = process.env.FEATURE_LABELS ? process.env.FEATURE_LABELS.split(',') : null +const model = process.env.MODEL ? process.env.MODEL.toLowerCase() : 'arima' const stockTicker = process.env.STOCK const predictTimeSeries = async (multiVariableInputData) => { - const timeSeriesModel = new MultiVariableTimeSeriesModel( - multiVariableInputData, 7, 0.001, 25, + let timeSeriesModel = new MultiVariableArima( + multiVariableInputData, 7, ) - await timeSeriesModel.train() + if (model === 'lstm') { + timeSeriesModel = new MultiVariableLstm( + multiVariableInputData, 7, 0.001, 25, + ) + await timeSeriesModel.train() + } + const predictedNextBars = await timeSeriesModel.predictNextBars() const predictedTimeSeries = [] @@ -36,8 +44,11 @@ const predictTimeSeries = async (multiVariableInputData) => { return predictedTimeSeries } -const writeObjectToOutputFile = async (objectToWrite, writeLocation) => { - const humanReadableJSON = JSON.stringify(objectToWrite, null, 4) +const writeObjectToOutputFile = async (objectToWrite, writeLocation, prefixString = null) => { + let humanReadableJSON = JSON.stringify(objectToWrite, null, 4) + if (prefixString) { + humanReadableJSON = prefixString + humanReadableJSON + } if (!fs.existsSync(directoryLocation)) { fs.mkdirSync(directoryLocation) } @@ -105,23 +116,24 @@ const main = async () => { const predictionDataRaw = fs.readFileSync(predictionFileLocation) const predictionData = JSON.parse(predictionDataRaw) + let labelPostfix = 'actual' const labelData = (inputDataBar) => { const labeledObject = {} for (let featureIndex = 0; featureIndex < featureLabels.length; featureIndex += 1) { - labeledObject[featureLabels[featureIndex]] = inputDataBar[featureIndex + 1] + labeledObject[`${featureLabels[featureIndex]} ${labelPostfix}`] = inputDataBar[featureIndex + 1] } return [inputDataBar[0], labeledObject] } - const labeledApiData = lodash.map(apiData, labelData) - + labelPostfix = 'predicted' const labeledPredictionData = lodash.map(predictionData, labelData) return writeObjectToOutputFile( labeledApiData.concat(labeledPredictionData), labeledFileLocation, + 'const labeledData = ', ) }