>
<span class="sd">                exponential chi2 and sigmoid kernels. Interpretation of the</span>
<span class="sd">                default value is left to the kernel; see the documentation for</span>
<span class="sd">                sklearn.metrics.pairwise. Ignored by other kernels.</span>
<span class="sd">            degree(float): Degree of the polynomial kernel. Ignored by other</span>
<span class="sd">                kernels.</span>
<span class="sd">            coef0(float): Zero coefficient for p