AutoRegressive Integrated Moving Average
/ɑːrˈɪ.mə/
noun … “the Swiss army knife of time-series forecasting.”
Stationarity
/ˌsteɪ.ʃəˈnɛr.ɪ.ti/
noun … “when time stops twisting the rules of a system.”
Autocorrelation
/ˌɔː.toʊ.kəˈreɪ.ʃən/
noun … “how the past whispers to the present.”
Autocorrelation is a statistical measure that quantifies the correlation of a signal, dataset, or time series with a delayed copy of itself over varying lag intervals. It captures the degree to which current values are linearly dependent on past values, revealing repeating patterns, trends, or temporal dependencies. Autocorrelation is widely used in time-series analysis, signal processing, econometrics, and machine learning to detect seasonality, persistence, and memory effects in data.
Stochastic Process
/stoʊˈkæs.tɪk ˈproʊ.ses/
noun … “a story told by randomness over time.”
Variance
/ˈvɛər.i.əns/
noun … “how wildly values dance around their mean.”
Expectation Value
/ˌɛk.spɛkˈteɪ.ʃən ˈvæl.juː/
noun … “the long-run average of chance.”
Random Variable
/ˈræn.dəm ˈveə.ri.ə.bəl/
noun … “a number that dances with chance.”
Probability Distribution
/prəˌbæb.əˈlɪ.ti dɪs.trɪˈbjuː.ʃən/
noun … “the blueprint of uncertainty.”
Dimensionality Reduction
/ˌdɪˌmɛn.ʃəˈnæl.ɪ.ti rɪˈdʌk.ʃən/
noun … “simplifying the world by keeping only what matters.”
Support Vector Machine
/səˈpɔːrt ˈvɛk.tər məˌʃiːn/
noun … “drawing the widest boundary that separates categories.”