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Rating Stats for

Prasad Chalasani

Rating
1557.98 (5,993rd)
Reputation
15,376 (9,136th)
Page: 1 2 3
Title Δ
Intellij Java/Scala: Delete to delimiter? (like Emacs Paredit) 0.00
"Selective" join within data.frame? +0.42
using data.table to flag the first (or last) record in a group -1.47
Using a sample list as a template for sampling from a larger list w... 0.00
Using a sample list as a template for sampling from a larger list w... 0.00
Check interval contains number in R +1.67
Factor, levels, and original values +0.42
move axis labels ggplot 0.00
Automatic multiplication between vector and matrix +1.82
How to calculate correlation In R +2.30
R implicit remove of object 0.00
Is there a nice way to do an operation on all pairings of the colum... +1.89
Working with dataframes in a list: Drop variables, add new ones +0.43
sampling from a contingency table +0.44
What's the R way to do the following group by? +0.48
R: Extract Deeply Embedded Elements of List into Array 0.00
Reshape data from long to semi-wide in R 0.00
Shifting a data frame in R +0.06
remove an entire column from a data.frame in R -1.80
How do I create component (subset) dataframes in R based on column... -0.45
R: Applying a function to all row-pairs of a matrix without for loop +0.36
subset data frame based on percentage +0.43
A version of Vectorize() for apply() rather than mapply()? 0.00
Find out the number of days of a month in R +0.60
How do I convert/reshape a data frame in long format to a wide form... 0.00
R - Repetitions of an array in other array -1.11
Apply function with outer taking the columns of two matrices as the... 0.00
How to generalize outer to n dimensions? +1.56
elementwise binding in R 0.00
R: pairwise Euclidean distance between columns of two matrices 0.00
R: split a data-frame, apply a function to all row-pairs in each su... 0.00
R: randomize order of one column of a data.frame +3.51
R: draw a line on the same boxplot graph 0.00
Assign weights based on frequency of occurrence of values -4.18
R Question Number of Unique Combinations of A,A,A,A,B,B,B,B,B -3.19
Challenge: recoding a data.frame() — make it faster +0.86
recursive sampling in r +3.56
conditioning with vectors -1.65
find contiguous responses greater than x -2.59
loop to create a new variable based on other cases in R (very basic) +0.23
Reorganizing Lists of data.frames -0.79
How to take the union of element in a nested list in R -0.14
Formulating Linear Programming Problem 0.00
change data frame in R -2.70
apply() and calcuating proportion of first row for all dataframe rows +1.97
R: create a data frame out of a rolling window 0.00
Using cbind on an arbitrarily long list of objects +3.34
"Running" Percentile for each row in a dataframe +0.22
coding double sum in R 0.00
Counting unique items in data frame +3.84