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PKumar

Rating
1532.37 (16,534th) 		Reputation
6,964 (23,069th)
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Title Δ
R regex not matching all hyphens +2.35
Install error of package plyr 0.00
plot one of 500 trees in randomForest package -0.55
Strange object - vector or list? -0.48
How to add degree symbol to multiple plot legend entries in R? +0.42
How to get a "perfect " Y-axis for hist(nclass=nclass.sco... +0.42
Multiple linear regression models using data.table and patterns wit... 0.00
Divide data set into 60%, 20%, 20% +0.46
I want to convert one of my column values into multiple variables i... +1.76
The value of dataframe change failure 0.00
I want to print start time, end time and total execution in R, and... +0.44
Delete some part of a string in a column +0.23
R how to convert UTF-8 code like <U+9600><U+524D> back... 0.00
R: Changes to data when changing class 0.00
grep and gsub to find patterns and call out patterns -2.23
Counting number of elements in a character column by levels of a fa... -0.38
Stacked Bar Graph In R -0.03
how to match strings of vectors with dataframe column in R +0.95
How to replace '+' using gsub() function in R -0.06
Plotting variable means for each level of the independent variable. R 0.00
Finding the position of words in a sentence and populate in a speci... +0.29
Count comma separated unique values in a string -0.86
How to use apply + cat in R and get a variable width result -0.49
Splitting date and time from text in R in new column -0.04
Split a column into 2 in R +1.11
Removing the first entry of each subset using ddply +0.45
Plotting dataframe with duplicate labels in R -0.42
Group by unique value with data.table +1.51
ROCR error: Number of classes is not equal to 2 -0.35
Creating a new variable that takes the mean of same values of an ex... +2.32
How to create correlation using dplyr in R studio 0.00
Selecting non existent columns in data.table +3.69
Aggregate a value by 2 variables -0.54
Iterate over a dataframe and create one plot for each column 0.00
How to construct a vector based on lognormal parameters 0.00
get last part of a string -0.42
plotting abline with multiple regression in R 0.00
overlay barplot with line: shifted y-axis -2.29
Extract state abbreviation and zip code from strings -0.06
Using dplyr and stringr to replace all values starts with +3.65
Recode values to a new variable using R -4.55
read_excel returns Unicode characters instead of a table 0.00
Keep the matched patterns only in a list of sentences in R -2.42
Combine Multiple Excel Worksheets into Single Dataframe with Sheet... -4.53
Extract segment of filename +4.16
How to include Maxi and Min deviations in a barplot in R 0.00
R: How to replace only particular strings in a dataframe column +3.67
Grouped Frequency Bars in R using ggplot +3.96
Convert list of chars into a data frame in r +3.72
How to get labels from hclust result +3.73