eckbox" name="correlation" value="virginica">
                                    <span class="checkbox-mark"></span>
                            </label>

                        </form>
                    </div>
                    <p>Click on a cell of the correlation matrix to visualize the relationship between these traits.</p>
                    <div class="interactive-wrapper">
                        <table id="table_corr" class="table table-bordered">
                            <colgroup></colgr