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d.b

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1551.74 (7,432nd) 		Reputation
20,645 (6,563rd)
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Title Δ
R: user-defined function issue with apply -0.45
r: delete rows where any column contains number +1.80
How to get the frequency of specific substring through out the rows... 0.00
replace sequence of identical values of length>2 -0.32
R - Replace values with preceding value starting and ending in sele... 0.00
Is there a way to generate a matrix in R of 0's and 1's to... -0.31
Filling in NA for added vector to Dataframe +0.48
Rank vector with some equal values +1.17
Calculate count of number of switch in vector -1.34
how to convert character time to numeric value in R -2.16
Finding the average for certain unique categories in a data frame +0.47
Find frequency of vector elements in a matrix -1.02
Working with lists in R: say no to for loops? +0.23
Sum columns between dataframes in list accordingly to respective rows +2.17
Frequency of data points by two variables in R +1.59
Double loop to fill a correlation matrix +1.91
Subset R data frame by conditional values of one row +1.33
R - Calculate the difference between the largest and smallest colum... +2.61
Add grouping column to data.frame based on a fixed sequence of dates 0.00
comparative matrix into percentage in R 0.00
Count values in column use empty cells to indicate new number +1.01
First highest value in each frame in a list and add into a new column -1.12
Scaling up a curve line such that it can be shown along side anothe... 0.00
Get all combinations of shared elements in a list -1.43
Function, which returns the next 50 leap years -2.10
Split number by decimal +0.47
How to determine the last "x" used in curve() in R 0.00
R filling zeros with mean value +1.95
How to find the indexes of the minimum value in whole dataframe? 0.00
Lubridate round_date() seems to change time zone when rounding to day 0.00
Using bquote() to print confidence intervals 0.00
return NA in rollapply? -1.14
add leading spaces so that character length of all cells in column... -1.03
R - Replace values starting in selected column by row +1.99
Find strings from dataframe A whose substring is present in B -0.03
How to create a matrix dynamically in R? +2.18
How to conditionally and efficiently mange graphic device using dev... 0.00
how to calculate the slope of a smoothed curve in R +0.00
How to find the next k values groupwise in R? -0.60
How to convert from a matrix to a contingency table? +1.98
Use aggregate function to calculate output in data frame +0.68
Quick way to conditionally assign values based on a column with a l... -0.51
Character extraction in R? +0.42
Converting Time Series Values Back into Dates R 0.00
Take "a" and "b" as being equal if they are the... -0.77
Extract matrix column with it's name -2.02
R: How to convert a vector into matrix without replicating the vect... +1.98
Smart way to column-wise create "categorical version" of... 0.00
Plotting just color dots in R to represent 0's and 1's 0.00
set missing values for multiple labelled variables +0.89