Questions tagged [population-count]
use this tag when question involves taking a census or counting things, such as people or objects in a collection
population-count
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Adding percentage annotations to a graph using python
Ting to add some percentage annotations to a population pyramid, but currently the percentages are duplicated, cannot, for the life of me figure out how to fix it.
#creating a count of each male in ...
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R: Simulating the Population of a Fish Pond
I am working with the R programming language.
I came across the following math puzzle recently:
Suppose there is a pond with 100 fish
Each day, there is a 5% chance that population of the pond ...
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Question about bit population count Algorithm
POPCNT_MULT = 0x0000000000002000000000100000000008000000000400000000020000000001;
POPCNT_MASK = 0x0001041041041041041041041041041041041041041041041041041041041041;
POPCNT_MODULO = 0x3F;
number of ...
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Population Growth in Python
I have an assignment and I can't figure out what is wrong:
Write a Python program that calculates population growth.
read the initial population
read how many generations will be calculated
ask if ...
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Calculate population size with multiple sub-annual projection matrices
I have a population vector with juveniles and adults that I would like to record new population size after each sub-annual transition. The expected output would have the original population vector on ...
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How to calculate how many bits in a decimal number is 1?
This program I created in RISC-V RARS 1.3 application is designed to take a decimal number and count how many bits are in that number. The one I am testing is the decimal number 5, and this program ...
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How do I remove negative X axis labels in a population pyramid?
I have a population pyramid but the x axis on one side is negative, is there a way to rename just the negative x axis so that it is positive?
# Draw Plot
plt.figure(figsize=(13,10), dpi= 80)
...
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What does the Surv error message "start and stop are different lengths" actually mean?
I am analysing a set of lifespan data based on a population of animals (C. elegans) and I'm not sure if I have the data set up incorrectly or I'm using the Surv function incorrectly.
I have a table ...
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Counting 1 bits (population count) on large data using AVX-512 or AVX-2
I have a long chunk of memory, say, 256 KiB or longer. I want to count the number of 1 bits in this entire chunk, or in other words: Add up the "population count" values for all bytes.
I know that ...
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Bit scan forward / back and popcount in pure Pascal? Porting from asm versions [closed]
I am porting a Delphi 32bit app to a Pascal Script - which does not support asm, and I only have 64bit machines so I cannot even run the code and mimic it.
{$ASMMODE INTEL}
function BitScanForward(...
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How to enable support for the POPCNT instruction / intrinsic on my computer?
I tried to run the following program in my computer (Fedora 17 32bit). How can I enable my system to support the popcnt instruction for fast population count?
#include <stdio.h>
#include <...
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