R语言数据框添加行或列数据2021.5.28

Posted 2023-05-15

参考技术A 将原始数据和要添加的某列用data.frame函数重新生成新的数据框

cbind和rbind函数不仅适用于数据框也适用于矩阵

css 向行或列背景添加渐变

.kb-gradient {
/* Replace this portion of the rule with the CSS for your gradient */

  background-color: #21D4FD;
  background-image: -webkit-linear-gradient(19deg, #21D4FD 0%, #B721FF 100%);
  background-image: -moz-linear-gradient(19deg, #21D4FD 0%, #B721FF 100%);
  background-image: -o-linear-gradient(19deg, #21D4FD 0%, #B721FF 100%);
  background-image: linear-gradient(19deg, #21D4FD 0%, #B721FF 100%);

/*end replace*/
}