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Rating Stats for

David Arenburg

Rating
1732.38 (66th)

Reputation
80,581 (1,024th)

Page: 1 ... 24 25 26 27 28 ... 33

Title	Δ
remove leading zeroes from timestamp %j%Y %H:%M	+0.38
Group rows by several columns	+1.37
Extracting from a vector the highest value of a subset of this valu...	0.00
Removing characters in a string with R	0.00
converting data frame into affiliation network in R	-0.53
Create a 24 hour vector with 5 minutes time interval in R	-1.03
In R, what is the simplest way to impute missing values with the av...	-0.37
get unique entries from a complex list in r	0.00
Delete rows based on range of values in column	+0.30
Assign data frame name to list elements using name vector	0.00
How can I replace numeric values by characters in R?	+0.93
What can be the best way?	-1.60
as.POSIXct produces 'unknown timezone' error after Maverick...	0.00
How to find & remove duplicates in data frames?	+0.51
Getting every combination in a data frame when data already exist i...	-0.11
Create new data frame column from past values	-0.03
Grouping query into group and subgroup	+0.54
R: ifelse conditioning -> replace with last value for which cond...	-0.59
Creating combination of sequences	-0.11
Using R to eliminate duplicates in a very large table and then use...	+0.40
R - get most frequent occurrence of a string from a column in a dat...	+1.36
How do i randomly choose 2 instances ( 2 rows) for testing & re...	+1.88
Shifting a column down by one	+0.89
Grouping rows in R to calculate frequency	+0.39
Unlisting a column of a database	-0.12
Finding the sum of unique dates	-0.35
how to mutate a column with ID in group	-0.12
How to Calculate average of certain consecutive data values in R	+0.01
Merging rows of binary data based on columns using ddply	0.00
R: Reshape and expand dataframe in R	+1.00
R - creating rows based upon counter value	+1.01
R: Dataframe organisation, structuring and subsetting dataframe	+1.41
Split string recursively	-1.98
Extracting parts of a factor	+1.51
Multiple Linear Models	0.00
R fill list into column based on index	+1.42
Fast escaping/deparsing of character vectors in R	-0.16
row count in a dataframe according to a condition	+2.54
How to produce time series for each row of a data frame with an unn...	-0.11
How to replace blank strings with NA?	+0.48
change the sequence of numbers in a filename using R	-0.89
Matrix Multiplication in R without using %*% or crossprod	+1.42
groupby and remove lowest value in r dataframe	-0.12
Regression data analysis of csv file data using R	0.00
For loop over a List of Data frames	+0.91
Calculate mean of weather station data in r	-0.21
Search for duplicates in the column-values of each row / Compare co...	0.00
lapply over list of dataframes to subset and overwrite dfs	+0.75
Collapsing a data frame over one variable	+0.43
Divide data frame by vector, by rows and not by columns	-0.65