counting Questions
2
Solved
I have a DataFrame and I am using .aggregate({'col1': np.sum}), this will perform a summation of the values in col1 and aggregate them together. Is it possible to perform a count, something like .a...
2
I'm trying to count the number of a group of crickets(insect). I will use the image processing method, by openCV library. This will provide more accuracy practice, when the farmers sell their crick...
Dorladorlisa asked 21/7, 2021 at 17:15
3
Solved
I am looking for an algorithm running in O(n log n), based probably on merge sort with counting. Which will give the number of such pairs in 3 strings(being permutations of the string 1, 2, 3, ...,...
5
Solved
I have an array of 200 items. I would like to output the array but group the items with a common value. Similar to SQL's GROUP BY method. This should be relatively easy to do but I also need a coun...
Gilgilba asked 11/6, 2009 at 17:2
15
Solved
I am working with a one dimensional array in PHP. I would like to detect the presence of duplicate values, then count the number of duplicate values and output the results. For example, given the f...
5
Solved
Is there is a faster way to make a counter index than using a loop? For each contiguous run of equal values, the index should be the same. I find the looping very slow especially when the data is s...
Sketch asked 19/5, 2015 at 0:1
5
Solved
If I have got something like this:
D = {'a': 97, 'c': 0 , 'b':0,'e': 94, 'r': 97 , 'g':0}
If I want for example to count the number of occurrences for the "0" as a value without having to iterat...
Fiddle asked 21/1, 2018 at 21:23
3
Solved
I have a dataset that I want to summarize. First, I want the sum of the home and away games, which I can do. However, I also want to know how many outliers (defined as more than 300 points) are wit...
14
Solved
Assume I have a list of words, and I want to find the number of times each word appears in that list.
An obvious way to do this is:
words = "apple banana apple strawberry banana lemon"
uniques = ...
19
Solved
What is the best method to find the number of digits of a positive integer?
I have found this 3 basic methods:
conversion to string
String s = new Integer(t).toString();
int len = s.length();
...
12
I am trying to make a function to detect how many digits, letter, spaces, and others for a string.
Here's what I have so far:
def count(x):
length = len(x)
digit = 0
letters = 0
space = 0
ot...
4
Solved
Let us assume dataframe df as:
df.show()
Output:
+------+----------------+
|letter| list_of_numbers|
+------+----------------+
| A| [3, 1, 2, 3]|
| B| [1, 2, 1, 1]|
+------+----------------+
...
2
I've points for a big triangle lets call it a, b, c. (a = (x, y) and so on).
Now I want to count the number of integral points inside the area enclosed by this triangle, so I first looked at Pick'...
Mccreary asked 14/12, 2014 at 19:49
6
Solved
I'm trying to calculate how many of the letter a I have in the sentence: Hello Jordania.
I found the function contains(). I'm using it like this:
var phrase = "Hello Jordania";
var compte...
8
Solved
I have a list of tuples each with three items :
z = [(1, 4, 2015), (1, 11, 2015), (1, 18, 2015), (1, 25, 2015), (2, 1, 2015), (2, 8, 2015), (2, 15, 2015), (2, 22, 2015), (3, 1, 2015), (3, 8, 2015)...
Enthusiasm asked 28/6, 2018 at 11:52
5
Solved
Given an array of int values, how could one parse the series into counting sequence notation?
Examples:
{1, 2, 3, 4, 5, 9, 13, 14, 15} -> "1-5,9,13-15"
{4, 6, 8, 10, 11, 12, 15, 17} -> "4,6...
1
Solved
I created a fiddle with sample data, but of course it still does not work
http://jsfiddle.net/jp2code/q1v4xewc/28/
I have remote data coming in to a kendo grid, and I am trying to process summary...
Williamwilliams asked 3/2, 2021 at 21:8
14
Solved
In Python, I have a list:
L = [1, 2, 45, 55, 5, 4, 4, 4, 4, 4, 4, 5456, 56, 6, 7, 67]
I want to identify the item that occurred the highest number of times. I am able to solve it but I ne...
6
Solved
I currently have the following array:
Array(
[0] => Array
(
[user] => Name 1
[group] => 1
)
[1] => Array
(
[user] => Name 2
[group] => 1
)
[2] => Array
(
[user] =&...
Silage asked 18/4, 2012 at 18:30
1
Solved
I have a Pandas Series produced by df.column.value_counts().sort_index().
| N Months | Count |
|------|------|
| 0 | 15 |
| 1 | 9 |
| 2 | 78 |
| 3 | 151 |
| 4 | 412 |
| 5 | 181 |
| 6 | 543 |
| 7 | ...
3
Given the following tensor (which is the result of a network [note the grad_fn]):
tensor([121., 241., 125., 1., 108., 238., 125., 121., 13., 117., 121., 229.,
161., 13., 0., 202., 161., 121., 121...
Daberath asked 28/10, 2019 at 21:42
2
Solved
def calcPath(trace_map, x, y):
n = len(trace_map)
count = 0
if x > n - 1 or y > n - 1:
pass
elif x < n and y < n:
if x + trace_map[x][y] == (n - 1) and y == (n - 1):
count += 1
...
Species asked 12/11, 2020 at 12:25
1
Solved
I can't figure out how to take a matrix and count the amount of the alphanumerical values for each row. I will only be taking in matrices with the values I'm counting.
For example, if I got:
ABA455...
Byte asked 14/10, 2020 at 6:36
4
Solved
How do I count the letters in Llanfairpwllgwyngyllgogerychwyrndrobwllllantysiliogogogoch?
print(len('Llanfairpwllgwyngyllgogerychwyrndrobwllllantysiliogogogoch'))
Says 58
Well if it was that easy ...
4
Solved
I have data on customers and the different products they have purchased:
Customer Product
1 A
1 B
1 C
2 D
2 E
2 F
3 A
3 B
3 D
4 A
4 B
I would like to check which sets of products that o...
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