Questions tagged as 'agrupacion'

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Group By, and create new columns for the PostgreSQL result

I have the following problem: I have my table access In this table I relate the Role with a Module and the Permission it has. What I want is to create a view that returns the data to me in the following way: View returning th...
asked by 23.05.2018 / 23:28
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Group repeated items from a list and add their values C #

I have the following list: List<String> datos = new List<string>(); In it I keep the following data: datos.Insert(0, nomMaterial); //Material1 datos.Insert(1, "$" + costoMaterial);//500.00 datos.Insert(2, areaCuadrada);/...
asked by 14.12.2018 / 02:00
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Index group values in pandas (Python)

I would like to obtain the values separately from a dataframe that comes from a previous grouping: import numpy as np import pandas as pd import matplotlib.pyplot as plt mu, sigma = 0, 0.2 x = np.abs(np.random.normal(mu, sigma, 1000)) y = np....
asked by 06.11.2017 / 12:44