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Rating Stats for

David Arenburg

Rating
1732.38 (66th)
Reputation
80,581 (1,024th)
Page: 1 ... 20 21 22 23 24 ... 33
Title Δ
Matching pattern 2 data frames r 0.00
Weighted mean with by function +1.32
Check valid values of likert scales in R -2.09
Convert character like "1,2" into numeric vector like c(1... -1.29
Aggregate data of one data frame and group by key is in another dat... -1.88
drop levels of factor for which there is one missing value for one... +1.66
Replace character vector elements in dataframe with values in R 0.00
Filter dataframe to keep newest rows in R +1.41
Matrix subset includes NA +0.02
Reshape data long data in R or aggregate? -0.59
Duplicate lines in a table as times as value has parameter of a col... +0.89
How to use R data.table for scalable aggregations and counting 0.00
reshape package: data.frame from wide to long 0.00
Changing dcast to show multiple columns +1.46
Return full array if one row within the array contains a given valu... +1.69
R data.table intersection of all groups +2.46
R: Aggregate dynamically based on the data before and id -0.45
How to do the Random sampling of of a dataset in R having the trans... -0.53
Reshape of Time series in R -1.80
R delete rows of list element and keep rownames 0.00
Replace Items In Matrix Based on Value +0.29
How to recombine seasonally decomposed stl components in R 0.00
apply a list of functions to a single argument in R +0.33
How to use R to check data consistency (make sure no contradiction... +1.21
Correlations by grouping twice in R, using dplyR or aggregate? +0.26
Extract values from list of lists with R +0.11
ddply() and using length to count within a specific set of rows in R +0.87
Faster way to transform text vector to numeric matrix/data.frame in... +1.60
Generating 100 uniform different random variables in R code 0.00
Apply function to dataframe based on unique values +0.10
Turn names into numbers in a dataframe based on the row index of th... +1.41
Extracting substring ending with some sign but without this sign +0.66
Order data.table by a variable column name +0.33
Plotting two Poisson processes on one plot -0.77
R: Turn List Data into Dataframe 0.00
Compact letter display from logical matrix +0.34
R split, apply and combine on 2 columns of data +0.91
Switch statement is not working for numerical objects +1.12
Add column containing data frame name to a list of data frames +0.34
Get number of days/months between multiple dates for IDs in a data... +0.69
R - replace part of a string using wildcards +0.55
R: how to find the first digit in a string +1.16
R: How to use ggplot to plot multiple clusters 0.00
make new data set which is based on number of observations by years... +1.86
Denormalization of Data -0.50
Stacked Barplot in R: Correctly Formatting Data -0.51
R plot two series of means with 95% confidence intervals 0.00
Perform function over groups in columns in R +1.50
Apply function to multiple concurrent columns and output to new col... +1.54
Loop for Multiple Vlookup in R -0.34