wolfsatthedoor

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wolfsatthedoor questions

Constructing pandas dataframe with rows conditional on their not existing in another dataframe python
Use dynamic names for CJ in data.table
R or Python, Is it possible to get the necessary sample size in a proportions power test calculation with ratio of sample sizes fixed?
Reset index on multilevel columns in pandas so that higher index perfaces lower index
Subset and aggregate an original data.table based on a different column
pandas histogram in python. possible to make probability/density instead of count?
Using another data table to condition on columns in a primary data table r
Taking the transpose of square blocks in a rectangular matrix r
Optimization issue, Nonlinear: automatic analytical Jacobian/Hessian from objective and constraints in R?
python re.search error TypeError: expected string or buffer

wolfsatthedoor answers

Floor or ceiling of a pandas series in python?