The latest articles on DEV Community by Aries Official (@aries_official_d0b371ad45). https://dev.to/aries_official_d0b371ad45 https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.us-east-2.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F4199815%2F3e0ed09f-41cd-40a3-ba6b-3a078ec80414.png https://dev.to/aries_official_d0b371ad45 en Aries Official Thu, 22 Oct 2026 08:07:00 +0000 https://dev.to/aries_official_d0b371ad45/composite-reliability-and-ave-1kmc https://dev.to/aries_official_d0b371ad45/composite-reliability-and-ave-1kmc <p>Need CR and AVE without a stats package? Here is a short Python function.</p> <p>def cr_ave(loadings):<br> s = sum(loadings)<br> sq = sum(l ** 2 for l in loadings)<br> err = sum(1 - l ** 2 for l in loadings)<br> cr = s ** 2 / (s ** 2 + err)<br> ave = sq / len(loadings)<br> return round(cr, 3), round(ave, 3)</p> <p>print(cr_ave([0.80, 0.76, 0.84, 0.72]))</p> <h1> (0.862, 0.61) </h1> <p>Use standardized loadings. CR should be at least 0.70 and AVE at least 0.50.</p> <p>No code needed? Use this online <a href="https://freestatisticaltools.com/?composite-reliability-ave-calculator" rel="noopener noreferrer">composite reliability and AVE calculator</a></p> python statistics datascience tutorial Aries Official Thu, 22 Oct 2026 08:03:25 +0000 https://dev.to/aries_official_d0b371ad45/calculate-composite-reliability-and-ave-in-python-47g0 https://dev.to/aries_official_d0b371ad45/calculate-composite-reliability-and-ave-in-python-47g0 <p>Calculate Composite Reliability and AVE in Python<br> Need CR and AVE without a stats package? Here is a short Python function.</p> <p>def cr_ave(loadings):<br> s = sum(loadings)<br> sq = sum(l ** 2 for l in loadings)<br> err = sum(1 - l ** 2 for l in loadings)<br> cr = s ** 2 / (s ** 2 + err)<br> ave = sq / len(loadings)<br> return round(cr, 3), round(ave, 3)</p> <p>print(cr_ave([0.80, 0.76, 0.84, 0.72]))</p> <h1> (0.862, 0.61) </h1> <p>Use standardized loadings. CR should be at least 0.70 and AVE at least 0.50.No code needed? Use this online [<a href="https://freestatisticaltools.com/?composite-reliability-ave-calculator" rel="noopener noreferrer">composite reliability and AVE calculator</a>so)](url)</p> <p>No code needed? Use this online [composite reliability and AVE calculator.</p>