Top "Columnname" questions

R extract data frame from list without prefixes in column names

I place a data frame inside the list. Then when try to extract it back - I get all column …

r list dataframe columnname
specify dplyr column names

How can I pass column names to dplyr if I do not know the column name, but want to specify …

r group-by columnname dplyr
How to get column name and column index

Hi I have the below dataframe. Since the column contains NA's the datatype of the column is character. Now, I …

r dataframe columnname
How to do Multi-Column from_tuples?

I get how to use pd.MultiIndex.from_tuples() in order to change something like Value (A,a) 1 (B,a) 2 (…

pandas multiple-columns multi-index columnname
How to select specific column names in SQL Server

Here is my previous question on how to iterate a string in SQL Server: Now how can I specifically select …

sql sql-server select columnname
How to find if dataTable contains column which name starts with abc

In my program I have a dataTable and I´d like to know if is there a column which name …

c# regex datatable dataset columnname
Is there an easy way to group columns in a Pandas DataFrame?

I am trying to use Pandas to represent motion-capture data, which has T measurements of the (x, y, z) locations …

pandas dataframe indices columnname
Using variable value as column name in data.frame or cbind

Is there a way in R to have a variable evaluated as a column name when creating a data frame (…

r dataframe renaming columnname
Set a dataframe as column names for another data frame

So I have a data frame (called SNPlist) which is of dimensions 1 by 500000 (rows by columns). I want SNP list …

r dataframe columnname
How to insert row into a table by select column name and value from another table in SQL Server

I have a table with many columns like: Table A: ColumnA | ColumnB | ColumnC | ColumnD | ColumnE _______________________________________________ valueA | valueB | valueC | valueD | valueE …

sql sql-server columnname