https://kangkun-lee.github.io/tags/statistics/Recent content in Statistics on kangkun-lee blogHugokoWed, 31 Dec 2025 00:00:00 +0900https://kangkun-lee.github.io/notes/linear-regression-%EC%9D%98-%EC%9D%98%EB%AF%B8/Wed, 31 Dec 2025 00:00:00 +0900https://kangkun-lee.github.io/notes/linear-regression-%EC%9D%98-%EC%9D%98%EB%AF%B8/<blockquote> <h3 id="linear--regression">$Linear + Regression$</h3></blockquote> <p><svg viewBox="0 0 520 300" width="100%" height="300" xmlns="http://www.w3.org/2000/svg" role="img" aria-label="Linear Regression Chart"><defs><marker id="arrow" viewBox="0 0 10 10" refX="9" refY="5" markerWidth="6" markerHeight="6" orient="auto-start-reverse"><path d="M 0 0 L 10 5 L 0 10 z" fill="currentColor"/></marker></defs><g stroke="currentColor" stroke-opacity="0.1" stroke-width="1"><line x1="40" y1="50" x2="500" y2="50"/><line x1="40" y1="100" x2="500" y2="100"/><line x1="40" y1="150" x2="500" y2="150"/><line x1="40" y1="200" x2="500" y2="200"/><line x1="100" y1="20" x2="100" y2="250"/><line x1="200" y1="20" x2="200" y2="250"/><line x1="300" y1="20" x2="300" y2="250"/><line x1="400" y1="20" x2="400" y2="250"/></g><line x1="40" y1="250" x2="500" y2="250" stroke="currentColor" stroke-width="2" marker-end="url(#arrow)"/><line x1="40" y1="250" x2="40" y2="20" stroke="currentColor" stroke-width="2" marker-end="url(#arrow)"/><g stroke="currentColor" stroke-width="1" stroke-dasharray="4,2" opacity="0.6"><line x1="90" y1="170" x2="90" y2="180"/><line x1="160" y1="150" x2="160" y2="155"/><line x1="240" y1="120" x2="240" y2="130"/><line x1="320" y1="95" x2="320" y2="105"/><line x1="420" y1="70" x2="420" y2="75"/></g><line x1="40" y1="195" x2="480" y2="55" stroke="currentColor" stroke-width="2.5"/><g fill="currentColor" stroke="currentColor" stroke-width="1" fill-opacity="0.7"><circle cx="90" cy="170" r="4"/><circle cx="160" cy="150" r="4"/><circle cx="240" cy="120" r="4"/><circle cx="320" cy="95" r="4"/><circle cx="420" cy="70" r="4"/></g><text x="490" y="275" font-family="Times New Roman, serif" font-style="italic" font-size="16" fill="currentColor">x</text><text x="10" y="30" font-family="Times New Roman, serif" font-style="italic" font-size="16" fill="currentColor">y</text><text x="380" y="50" font-family="Times New Roman, serif" font-size="14" fill="currentColor">ŷ = β₀ + β₁x</text></svg></p>