mean Questions
4
Solved
Using ggplot2 generate a plot which shows the following data.
df=data.frame(score=c(4,2,3,5,7,6,5,6,4,2,3,5,4,8),
age=c(18,18,23,50,19,39,19,23,22,22,40,35,22,16))
str(df)
df
Instead of doing a f...
10
I am working on R in R studio.
I need to calculate the mean for each column of a data frame.
cluster1 // 5 by 4 data frame
mean(cluster1) //
I got :
Warning message:
In mean.default(clust...
8
Solved
I have 5 vectors of different lengths
a <- c(1) #with length of 1
b <- c(4.4,3.5) #length 2
c <- c(5.6,7.8,6.0) #length 3
d <- c(0.8,6.9,8.8,5.8) #length 4
e <- c(1.8,2.5,2.3,6.5,1.1...
Chromatin asked 24/8, 2022 at 13:43
3
Solved
I have a python list like this,
arr = [110, 60, 30, 10, 5]
What I need to do is actually find the difference of every number with all the other numbers and then find the average of all those diff...
3
Solved
I have a dataframe like this:
cluster org time
1 a 8
1 a 6
2 h 34
1 c 23
2 d 74
3 w 6
I would like to calculate the average of time per org per cluster.
Expected result:
cluster mean(time)
...
Muse asked 19/5, 2015 at 14:33
6
Solved
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_modules/@angular/material/core/common-beha...
Accouter asked 25/5, 2021 at 16:51
5
Solved
I have a python pandas dataframe with several columns and one column has 0 values. I want to replace the 0 values with the median or mean of this column.
data is my dataframe
artist_hotness is th...
5
Solved
Maybe this is simple but I can't find answer on web. I have problem with mean calculation by factors by level.
My data looks typicaly:
factor, value
a,1
a,2
b,1
b,1
b,1
c,1
I want to get vector ...
2
Solved
I need to add a mean line and the value of the mode for example to this kinds
of plots:
I use this for calculate the number of bins:
bw <- diff(range(cars$lenght)) / (2 * IQR(cars$lenght) / l...
3
Solved
I have a dataframe which contains nan values at few places. I am trying to perform data cleaning in which I fill the nan values with mean of it's previous five instances. To do so, I have come up w...
4
Solved
I'm shortlisting the 2 elements from one schema and want to update in another schema. for that i used slice method to shortlist first 2 elements from an array. but am Getting
CoreMongooseArray ['...
Threephase asked 19/6, 2019 at 12:25
5
Solved
2
I would like to calculate the mean value of each column without specifying all the columns name.
So for example instead of doing:
res = df.select([mean('col1'), mean('col2')])
I would like to d...
Sievers asked 19/12, 2018 at 16:23
2
I have a dataframe that looks like the one below.
The weight column essentially represents the frequency of each item, so that for each location the weight sum will equal to 1
Please keep in mind t...
Malcah asked 31/10, 2021 at 3:27
4
Solved
I have a list of lists, where each list contains tickers (names) and their values. These tickers stay the same for each list but the values differ. Now, I want to see what is the average value of e...
5
Solved
I have three data frames as below. I wish to combine them into one data frame according to Lon & Lat, and average the 3 values for each 'cell'. I have read this (calculate average over multiple...
10
Solved
Is there a way to calculate mean and standard deviation for a vector containing samples using Boost?
Or do I have to create an accumulator and feed the vector into it?
Repartition asked 30/9, 2011 at 21:59
9
A set of integers is given as input. You have to return the subset of that set so that the mean - median is maximum for that subset.
Example 1
Input
{1,2,3,4}
Output
{1,2,4}
Example 2
Input
{1,2...
9
Solved
core.js:5873 ERROR Error: NodeInjector: NOT_FOUND [ControlContainer]
Sometimes when I restart the project it runs perfectly.
There are only changes in app.component.html :
<div class="con...
Zoller asked 29/2, 2020 at 6:52
4
Solved
I have evenly spaces timeseries with daily mean observational data.
How do I compute seasonal means the easiest way? The seasons should follow the meteorological nomenclature with DJF (=winter: De...
Legra asked 24/9, 2013 at 9:52
13
Solved
Is there a built-in or standard library method in Python to calculate the arithmetic mean (one type of average) of a list of numbers?
6
Solved
I compared the performance of the mean function of the statistics module with the simple sum(l)/len(l) method and found the mean function to be very slow for some reason. I used timeit with the two...
Ezzo asked 30/5, 2016 at 21:5
3
I am trying to write code to find the mean of the keys in my dict, but based on the dict values. So, for example, for:
d = {1:2, 2:1, 3:2}
the dict keys would be:
[1,1,2,3,3]
I've written the fol...
Consensus asked 14/11, 2020 at 17:58
1
Solved
I have dataframe:
time_to_rent = {'rentId': {0: 43.0, 1: 87.0, 2: 140.0, 3: 454.0, 4: 1458.0}, 'creditCardId': {0: 40, 1: 40, 2: 40, 3: 40, 4: 40}, 'createdAt': {0: Timestamp('2020-08-24 16:13:11.8...
5
Solved
I am trying to calculate Z-scores using PHP. Essentially, I am looking for the most efficient way to calculate the mean and standard deviation of a data set (PHP array). Any suggestions on how to d...
Spina asked 25/3, 2011 at 15:33
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