![") r> plot(exrates$date[-1], ret, type = "l", main = "demeaned](https://i.ssjz.top/upload/1/img1.baidu.com%2fit%2fu%3d2023085406%2c3953579988%26fm%3d253%26fmt%3dauto%26app%3d138%26f%3dJPEG%3fw%3d720%26h%3d390 "demeaned,")
") r> plot(exrates$date[-1], ret, type = "l", main = "demeaned
yes, you can be black and wear sperrys
![") r> plot(exrates$date[-1], ret, type = "l", main = "demeaned](https://i.ssjz.top/upload/1/img2.baidu.com%2fit%2fu%3d3916476307%2c4267832457%26fm%3d253%26fmt%3dauto%26app%3d138%26f%3dJPG%3fw%3d298%26h%3d61 "demeaned,")
") r> plot(exrates$date[-1], ret, type = "l", main = "demeaned
![") r> plot(exrates$date[-1], ret, type = "l", main = "demeaned](https://i.ssjz.top/upload/1/img1.baidu.com%2fit%2fu%3d1706619744%2c2992039350%26fm%3d253%26fmt%3dauto%26app%3d138%26f%3dPNG%3fw%3d894%26h%3d392 "demeaned,")
") r> plot(exrates$date[-1], ret, type = "l", main = "demeaned
![") r> plot(exrates$date[-1], ret, type = "l", main = "demeaned](https://i.ssjz.top/upload/1/img0.baidu.com%2fit%2fu%3d3398325308%2c2936418112%26fm%3d253%26fmt%3dauto%26app%3d138%26f%3dPNG%3fw%3d812%26h%3d500 "demeaned,")
") r> plot(exrates$date[-1], ret, type = "l", main = "demeaned