Stack Overflow
Stack Overflow

Questions tagged [random-data]

Generating random strings, numbers, or data structures, or dealing with random input (e.g., fuzz testing).

22 questions
9
votes
3 answers

How to create a random instance of a case class?

Suppose I've got a few case classes, e.g.: case class C(c1: Int, c2: Double, c3: Option[String]) case class B(b: Int, cs: Seq[C]) case class A(a: String, bs: Seq[B]) Now I would like to generate a few instances of A with random values for tests.…
Michael
  • 41,026
  • 70
  • 193
  • 341
9
votes
2 answers

Generate random latitude-longitude values within an area(country/city)

How can I get thousands of geographic coordinates (long/lat) randomly generated that remains within a specific country ? It's for an application i'm doing and i need test data. I preffer it in JSON format.
Xsmael
  • 3,624
  • 7
  • 44
  • 60
3
votes
3 answers

How would I generate a random data series in Python with events?

I'm trying to generate a random data series (or a time series) for anomaly detection, with events spanning a few consecutive data points. They could be values above/below a certain threshold, or anomaly types with different known…
lesk_s
  • 365
  • 1
  • 9
3
votes
4 answers

Get random data from SQL Server but no repeated values

I need to get 10 random rows from table at each time, but rows shall never repeat when I repeat the query. But if I get all rows it will repeat again from one, like table has 20 rows, at first time I get 10 random rows, 2nd time I will need to get…
Manikandan
  • 844
  • 15
  • 31
2
votes
0 answers

Randomizing DataFrame rows

If a create a DataFrame Object, lets say df = pd.DataFrame({'A':range(5), 'B':range(5)}, and try to randomize some rows with df.reindex(np.random.permutation(df.index)) I get >>> df = pd.DataFrame({'A':range(5), 'B':range(5)}) >>> df A B 0 0 …
Luis Bonilla
  • 21
  • 3
1
vote
1 answer

PostMan - Generate random number range and random future date

there are certain discussions on generating random stuff within a range on stack but none of them answer the actual question. So task is the following Need to generate a random number within a range, let's say from 1 to 13010, and put this number…
soda432
  • 11
  • 3
1
vote
2 answers

How to construct a random data set of different year in R?

The code below will generate uniformly distributed data at a daily time step for the year 2009. Suppose, i want to construct a similar data set which would include the year 2009,2012, 2015, and 2019, how would i do that?. I am basically trying to…
Hydro
  • 1,057
  • 12
  • 25
1
vote
1 answer

Generate random bytearray from a distribution

I am looking for a way to generate random bytes sampled from specified underlying distribution. e.g. bytes generated from a normal distribution with given mean and variance, bytes generated from poisson distribution with specified lambda and so…
jvars
  • 47
  • 5
1
vote
1 answer

Can't cast MockUnit to String with mockneat

Try to use my own Enum like mock with help of library mockneat. But the problem is that I can't take string value from MockUnit object for my right working of switch loop. It's my Enum: public enum SubType { ROUTER("router"), …
Spike Johnson
  • 365
  • 4
  • 12
1
vote
1 answer

Synthetic Data with range of date & time

I am trying to generate synthetic data with with date & time range. How can I include the needed date-time section in the program mentioned below? import random import sys import math latitude = 0.794501 longitude = -0.752568 file_n =…
Sitz Blogz
  • 1,061
  • 6
  • 30
  • 54
1
vote
2 answers

iPHP Generate 2 letters based on number

I am trying to generate some SKU numbers and I came to an issue that has made me think, and as I slept less than 2 hours I decided to ask you guys, Stackoverflowers. Let's say I've got an array of the alphabet excluding commonly mistaken…
Dimitar Mitov
  • 37
  • 2
  • 7
0
votes
0 answers

how to generate synthetic data for 2 tables with one-to-many relationship?

how to generate synthetic data for 2 tables with one-to-many relationship? I have the following problem, I have 2 tables of a bank and I was asked to make up the data. Table 1 corresponds to the table where the credit card sales information…
Themono99
  • 3
  • 2
0
votes
1 answer

Generate random inputs using a fuzzer

Let me take a very small example of what I am looking for. def add_two_numbers(x, y): return x + y I want to input n number of times, the random values for x and y. Is there any python fuzzing library that I can use for generating such values…
Rajiv Bhalla
  • 11
  • 2
0
votes
1 answer

postgreSQL generate random data for any table

How to generate random data for any table on pgsql in postgresql CREATE OR REPLACE FUNCTION service.generate_random(sschema_name text, stable_name text, row_count int)
Зверь Зверский
  • 11
  • 1
0
votes
0 answers

Mockaroo API call in Java

I tried calling Mockaroo API in my JAVA Class as per in Mockaroo Doc,But it shows the Server returned HTTP response code: 500 for URL Hereby I have attached my code, Do I miss the Parameter/any Query Strings? URL url = new…
Mathi
  • 1
  • 2
1
2