Joomla params/forms YES/NO radio button option

Here below the code for a YES/NO radio button option suitable for example for published option in your table records:

        <field
            name="fieldname"
            type="list"
            label="COM_COMPONENT_FIELD_FIELDNAME_LABEL"
            description="COM_COMPONENT_FIELD_FIELDNAME_DESC"
            class="inputbox"
            required="true"
            size="1"
            default="1">
            <option value="0">JNO</option>
            <option value="1">JYES</option>
        </field>