regression

deterioration

Process of declining quality

• worseningBecoming more severe
• backslidingReverting to former sins
• relapseReturn to former illness

reversion · retrogression · decay · downturn · slippage · degeneration · setback · fallback · receding · retreat

analysis

Methodical study of parts

• correlationStatistical relationship measure
• linearArranged in straight succession
• logisticOf coordination and supply

coefficient · residuals · multivariate · predictive · modeling · p-value · variance · least-squares · fitted · ridge

mean

Average, or spiteful

• averageArithmetic mean or ordinary
• equationMathematical equality assertion
• polynomialExpression with variable terms

function · variable · slope · intercept · extrapolation · interpolation · scatter-plot · least-squares · quadratic · exponential

therapy

Curative mental treatment

• hypnosisInduced trance state
• psychotherapyTreatment through guided conversation
• traumaLasting psychological wound

catharsis · inner-child · Freudian · transference · subconscious · unconscious · repression · childhood · hypnotic · therapeutic

milestone

Notable event marking progress

• childhoodLife's earliest phase
• infantileCharacteristic of infants
• behavioralRelating to conduct

bedwetting · baby-talk · tantrums · attachment · coping · autism · developmental · pediatric · sleep · toilet-training

• decreasesreduction, decline, drop, fall, decrease
• Performance Problemsslump, plateau, burnout, fatigue, choking
• reversalsreverse, undo, revert, overturn, flip
• setbacksfailing, back to square one, stuck, losing, stumbles
• data sciencealgorithm, data analytics, data, machine learning, dataset
• finance termsnet profit, gross profit, budget, credit, debt