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Psidom

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Title Δ
how to replace the NA in a data frame with the average number of th... -1.30
Grepping in R for a particular pattern +1.28
Using Dplyr and Tidyr within a Function to Capitalize First and Las... 0.00
Fill NaN based on MultiIndex Pandas 0.00
Find indexes of two lists +0.38
Numbering in R based on a column value -0.09
How to set up custom dimension value with google analytics? -0.13
R List with sub-lists: Extract all elements that match a rule into... +0.06
Unable to subset (filter) a data frame due to NA's +1.68
Complex melting with dplyr, tidyr, reshape2 in R +1.59
Pandas manipulate dataframe 0.00
Select Days from Pandas DataFrame +1.23
How do I stack rows in a Pandas data frame to get one “long row”, p... 0.00
How to compare and then concatenate information from two different... +0.26
R - Conditional math expression in data table -0.39
parsing file with r +1.73
How to write a loop to run chi square of a two columns data frame? 0.00
Manipulate specific columns (sample features) conditional on anothe... +0.38
Assign multiple values to multiple slices of a numpy array at once -0.50
How do I do a complex computation on columns and rows of a data tab... +1.33
Set operations with dplyr::rowwise 0.00
Computing on multiple column names in a data.table -1.34
Rearrange data by matching columns -0.65
Python: Avoid using multiple nested for loops to iterate over strings +0.13
How can I use the command "pwd" in R to load data? 0.00
Find the number of day intervals for each group +0.39
aggregate with empty factor but keep row -1.42
R - sample and resample a person-period file -1.25
How do I compute the counts of one column based on the values of tw... +0.39
GroupBy one column, custom operation on another column of grouped r... +0.37
Count unique dates in pandas dataframe -0.69
Subset in i by variable name in data.table +1.41
Pandas Melt several groups of columns into multiple target columns... +2.23
Combine dataframe based on index R +1.44
How do I transform this matrix format to a matrix for repeated meas... +0.60
Concatenate varying number of columns by partial match (R) 0.00
How do you split a dataframe according to an element contained in o... +1.44
expand grid for an arbitrary number of vectors in R 0.00
Add a subsequent row to get consecutive IDs -0.60
Getting 2 substrings/groups before and after last nth "_" 0.00
How to construct an edge list from data in R? +0.40
R - add column checking occurrence of something in last n rows of c... +1.42
Efficient way to implement rule-based vector subtraction (drawdown)... 0.00
R saving maximum of 10 characters per line 0.00
Conditional Flag in R +0.76
single letter regex operations in R 0.00
Dealing with ties using rank (R) +1.44
subset a dataframe using condition passed as string (subset datafra... +0.42
Binning data by row values with minimum sample size 0.00
Convert list to dataframe in R and add column with names of sub-lists +1.11