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How to randomize (or permute) a dataframe rowwise and columnwise?
I have a dataframe (df1) like this.
8 Answers
8
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How to compare two strings in dot separated version format in Bash?
...ny way to compare such strings on bash, e.g.: 2.4.5 and 2.8 and 2.4.5.1 ?
29 Answers
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What does -1 mean in numpy reshape?
...atrix can be reshaped into a vector using reshape function with parameter -1. But I don't know what -1 means here.
9 Answer...
Convert tuple to list and back
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answered May 6 '14 at 14:27
KhonixKhonix
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Why does 1==1==1 return true, “1”==“1”==“1” return true, and “a...
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185
Because you are comparing the (boolean) result of the first equality with the (non-boolean) th...
Determining complexity for recursive functions (Big O notation)
...he time complexity, in Big O notation, for each function:
int recursiveFun1(int n)
{
if (n <= 0)
return 1;
else
return 1 + recursiveFun1(n-1);
}
This function is being called recursively n times before reaching the base case so its O(n), often called linear.
int recursi...
Dynamically update values of a chartjs chart
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14 Answers
14
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SQL RANK() versus ROW_NUMBER()
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ROW_NUMBER : Returns a unique number for each row starting with 1. For rows that have duplicate values,numbers are arbitarily assigned.
Rank : Assigns a unique number for each row starting with 1,except for rows that have duplicate values,in which case the same ranking is assigned and a ...
Applying a function to every row of a table using dplyr?
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edited Aug 6 '19 at 3:20
answered Jul 14 '14 at 0:20
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