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International Journal of Interdisciplinary Research

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Table 11 Regression equation for DP rating in terms of coded values using citric acid

From: Assessment of durable press performance of cotton finished with modified DMDHEU and citric acid

Response (Y) Regression equation with all factors R R2 Adj. R2 F value
DP rating Y = 3.633 + 0.112 (X1) + 0.1 (X2) + 0.138 (X3) − 0.154 (X1)2 − 0.179 (X2)2 − 0.004 (X3)2 − 0.100 (X2*X3) − 0.025 (X1*X3) 0.992 0.984 0.956 34.434
  1. X1 citric acid (gpl), X2 SHP (% ow CA), X3 curing time (seconds)