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talat

Rating
1671.29 (315th)
Reputation
53,631 (1,824th)
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Title Δ
how to use which.min in subset of data frame? +0.89
How to split the column of a matrix into two columns? +0.21
how do you evaluate times to in if statements in R 0.00
R create new column of the rank of factors 0.00
Using dplyr for frequency counts -3.15
Conditional filling of rows +4.07
Extracting part of column if pattern found in a data.table -2.33
Assigning weights by group in R -1.64
Quick manipulation of data frame in R -1.69
Aggregating a lot of columns in R 0.00
How to find continuous part of timeline 0.00
r - how to select a different number of observation within each group -3.62
subset dataframe variables through part of names +0.35
Order multiple columns in R +0.35
how to "translate" values of a vector into another vector... +0.16
Creating a table with descriptives statistics in r +1.71
Creating an "other" field +4.88
Colouring a legend on a PCA plot -4.19
Adding points to plot.ts, when start, end and frequency are set +0.04
Write table output into a single line -0.25
Rainfall data, can't get value of table? 0.00
creating new variables with transform and %>% -3.46
How to merge two data frames with non overlapping dates? 0.00
Enhance the execution time of data frame column transformation code -1.03
How do you make a function using the if command for a range of valu... +0.70
How can I count the frequency of an answer in R? -0.80
referencing a list item when calling a vector from a data frame in R -3.63
Counting the number of level changes of an attribute 0.00
How do I delete specific rows in a dataframe? +0.98
Using 'fastmatch' package in R -2.23
Calculating cumprod when file contains different stocks -4.41
Indexing condition with a vector 0.00
How can I select a row by row name in a subsetted data frame in R? 0.00
find minimum for each name and return the according row -3.83
Remove any row in a dataframe where the length of a zipcode is not... +3.76
Split strings in a matrix column and count the single elements in a... +4.31
R: Sum Complete.cases in one column grouped by (or sorted by) a val... -1.19
How to subtract first entry from last entry in grouped data 0.00
Calculate average monthly total by groups from data.table in R +0.48
Subset a dataframe between 2 dates in R (Better Way) +3.84
absolute and percent change by rows 0.00
combining data from specific columns across multiple objects into n... 0.00
Avoid the for loop by using an apply function -3.18
Function "for" in R with two objectos or vectors +0.38
odd behavior with dplyr summarise? +3.93
In R, how can I grab the penultimate row from a data frame for each... +4.62
How to group by unique values in a list in R 0.00
Dropping out the last rows in data frame +1.17
R - convert two column data frame to numeric matrix 0.00
Adding a calculated column to a data matrix in R 0.00