[R] Adding SORT to UNIQUE

Stephen H. Dawson, DSL @erv|ce @end|ng |rom @hd@w@on@com
Mon Dec 20 22:18:55 CET 2021


Thanks.

sort(unique(Data[[1]]))

This syntax provides row numbers, not column values.

*Stephen Dawson, DSL*
/Executive Strategy Consultant/
Business & Technology
+1 (865) 804-3454
http://www.shdawson.com <http://www.shdawson.com>


On 12/20/21 11:58 AM, Stephen H. Dawson, DSL via R-help wrote:
> Hi,
>
>
> Running a simple syntax set to review entries in dataframe columns. 
> Here is the working code.
>
> Data <- read.csv("./input/Source.csv", header=T)
> describe(Data)
> summary(Data)
> unique(Data[1])
> unique(Data[2])
> unique(Data[3])
> unique(Data[4])
>
> I would like to add sort the unique entries. The data in the various 
> columns are not defined as numbers, but also text. I realize 1 and 10 
> will not sort properly, as the column is not defined as a number, but 
> want to see what I have in the columns viewed as sorted.
>
> QUESTION
> What is the best process to sort unique output, please?
>
>
> Thanks.



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