# Deleterows! column length error

**URL:** <https://discourse.julialang.org/t/deleterows-column-length-error/30654>\
**Category:** New to Julia\
**Created:** [November 3, 2019, 3:35pm UTC](https://discourse.julialang.org/t/deleterows-column-length-error/30654 "2019-11-03T15:35:04Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Donald\_Lee](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/donald_lee/32/10622_2.png) [@Donald\_Lee](https://discourse.julialang.org/u/Donald_Lee)\
**Post date:** [November 3, 2019, 3:35pm UTC](https://discourse.julialang.org/t/deleterows-column-length-error/30654/1 "2019-11-03T15:35:04Z")

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Hello,

Could I get some help with the following error?

 ![image](https://global.discourse-cdn.com/julialang/original/3X/3/a/3a4016cac132aa6398c49c826e49713291f19f5c.png)

 ![image](https://global.discourse-cdn.com/julialang/original/3X/a/b/ab2b465ce653cf7bd1b4120d2b9ffcb97e8f7516.png)

I tried making df\_1std a deepcopy, in case there was some pointer issue, but that didn’t work.