Category "mean"

Convert a list of dict of [{str:int}, {str:int}, ... ] to a single dict of {str:int}

Given a data-structure like this: [{'a':1, 'b': 2}, {'c':3 }, {'a':4, 'c':9}, {'d':0}, {'d': 0, 'b':6}] The goal is to parse the data to produce: {'a': 2.5, 'b

Getting error $ operator not defined for this S4 class when findings mean of residuals [duplicate]

heyy i have a problem with getting the the below error. I am new to R and not sure how to resolve this!! I am trying to find the mean of resid

Mean and Standard Deviation of x>=5 of 10000 data points binomial(10, 1/4)

I have a data range of 10,000 points as per: data = rbinom(10000, size=10, prob=1/4) I need to find the mean and standard deviation of the data values >=5.

Mean calculation between dataframes in list in R

I have a list of dataframes that all have the same format (same number of rows, same number of columns and columns have the same name). I would like to create a

Error: node_modules/@angular/material/core/common-behaviors/constructor.d.ts:14:64 - error TS1005: ';' expected

My app was working fine until I uninstalled bootstrap and installed angular material instead....Then tried to do ng serve but got this error.. Error: node_modul

Mean, Var, and Std

The Task is You are given a 2-D array of size X. Your task is to find: The mean along axis The var along axis The std along axis Input Format The first line con

Summary of descriptive data

i got a panel data set. I am analysing name changes of mutual funds. I created 6m prior & 6m past name-change Mean & Median values for various variables

efficient way of computing a list with mean of values in another list

I need to compute a list with the mean values of another list. To be more precise, the input list have this form: input_list = ['1.538075/42.507325', '1.53796

How to match Datetimeindex for all but the year?

I have a dataset with missing values and a Datetimeindex. I would like to fill this values with the mean values of other values reported at the same month, day

Swift Array extension for standard deviation

I am frequently needing to calculate mean and standard deviation for numeric arrays. So I've written a small protocol and extensions for numeric types that seem

Rolling mean, standard deviation in dbplyr

I want to set a new variable with rolling function (rolling mean, stdev...etc.) in dbplyr Here is a database library(odbc) library(DBI) library(tidyverse) libra

numpy mean of complex numbers with infinities

numpy seems to not be a good friend of complex infinities While we can evaluate: In[2]: import numpy as np In[3]: np.mean([1, 2, np.inf]) Out[3]: inf The f