Cyl in r
WebNote that the resulting table will not have a column for cyl (which would be redundant since it is stored in the file name, but maybe you want to leave it in for other reasons). If you want cyl to be included in the output as a column you can use. mtcars[, write.csv(c(.BY,.SD), … WebFeb 27, 2024 · Cylinder (CYL) Cylinder indicates the amount of lens power needed for astigmatism. It always follows the sphere power on an eyeglass prescription. The number in the cylinder column may have a minus sign (for correction of nearsighted astigmatism) or a plus sign (for farsighted astigmatism).
Cyl in r
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WebFeb 21, 2024 · Cylinder ( CYL) Cylinder indicates the amount of lens power for astigmatism. If nothing appears in this column, either you have no astigmatism, or your astigmatism is so slight that it is not really necessary to correct it with your eyeglass lenses.
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