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Psidom

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1713.63 (95th) 		Reputation
135,522 (452nd)
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Title Δ
Slice the data for each unique id in python 0.00
Reading text file into a matrix honouring line breaks 0.00
Generate m equally-spaced numbers that sum to 1 in R -2.40
Extending integer list to 1-out-of-n binary list +0.32
Populate rows of empty matrix from another matrix by index array in... 0.00
Does data.table implement fast range subsetting based on binary sea... 0.00
Counting number of appeareances of a certain value in r +1.01
Pandas: iteratively concatenate columns stored in a dictionary of d... 0.00
Split Column containing 2 values into different column in pandas df +0.93
How can I split a list item +0.20
Getting unique values from lists(containing tags) in dataframe row -0.47
Python Pandas Wide to Long Format Change with Column Titles Spliting 0.00
Conversion of pandas dataframe to sparse key-item matrix with compo... -0.06
pandas get_dummies with identical/ same column names 0.00
Pivot Table and Counting +2.22
Drop Python Pandas dataframe rows based on date in index -0.17
find pattern 'ds***' in a string using re -0.08
summarizing data frame by columns in R +1.18
How to plot several categorical features in a single plot in python? 0.00
Construct matrix with columns of data and zeros, without using for-... 0.00
Panda Dataframe: Check if row satisfies multiple column filters 0.00
Comparing columns of different pandas dataframes 0.00
Pandas: Expand column containing list into new column variables wit... -2.15
`Pandas argmax` to get all `True` indices after masking (Python 3)... -2.01
Pandas dataframe split array entry into two columns +0.30
R sub with perl - starts search backwards? 0.00
How do I add shaded regions to a line chart with multiple lines usi... 0.00
R: how to change values in a data.frame +1.36
How to easily manipulate the data.frame in the list let them have s... -1.93
Add each list element to beginning of each row in numpy matrix (pyt... +0.32
Python pandas groupby conditional concatenate strings into multiple... -0.51
r - data.table - Group data.table result by multiple columns with r... 0.00
Python replace multiple date columns with datetime 0.00
Combination of a column based on another one in R +0.30
Group dataframe by two columns and then shift values of other colum... 0.00
Why do group_by and group_by_ give different answers when summarizi... 0.00
Conditional multiplication of multiple series with another series -0.17
Calcualation within Pandas dataframe group 0.00
dplyr conditional mutate on itself 0.00
How do I reverse the column values and leave the column headers as... +1.51
DataFrame from list of dicts of dicts +2.15
What's the best way to transform Array values in one column to... -0.21
Pandas: remove reverse duplicates from dataframe +1.64
Add columns in pandas dataframe dynamically -2.25
numpy array to triangle (matrix) 0.00
drop columns that take less than n values? +0.34
Pandas sorting within a group results in duplicated index +0.08
Transform Year-to-date to Quarterly data with data.table 0.00
how to remove one data in r -2.99
Apply formula over Dataframe using row and columns values -0.12