Dart pub
This package provides a single class which computes things like standard deviation and margin of error. It should be useful whenever you have a list of numerical values and you want to:
A simple usage example:
var myStat = new Statistic.from(myMeasurements, name: "My scores");
// Prints the most basic stats.
print(myStat);
var otherStat = new Statistic.from(otherMeasurements);
// Prints true only if stats are different with statistical significance.
print(myStat.isDifferentFrom(otherStat));
You can install the simple binary by running the following in the command line:
pub global activate t_stats
Now you can use t_stats as a command line tool. Assuming there's a numbers.txt
file that contains a line-delimited list of numbers, you can run:
$ t_stats --pretty < numbers.txt
2.11 ± 2.48 MoE / 3.22 SD
This takes full advantage of POSIX pipes, so you can have things like:
$ <some_complicated_unix_command> | t_stats --pretty
9.88 ± 12.21 MoE / 23.75 SD
If you don't provide the --pretty argument, the tool will print out
the output of Statistic.toTSV() (less human-readable, but much more
useful for comparing multiple sets of measurements).
Please file feature requests and bugs at the issue tracker.
dart:core) instead of package:bignum. This
affects return values as well (factorial) so we're bumping major semver
of this package to 2.0.bignum a runtime dependency (instead of
a dev dependency) example/example.dart
// Copyright (c) 2016, Filip Hracek. All rights reserved. Use of this source
// code is governed by a BSD-style license that can be found in the LICENSE
// file.
import 'dart:math';
import 'package:t_stats/t_stats.dart';
void main() {
final stats =
new Statistic.from([1, 1, 1, 10, 1, 5, 1, 100], name: "My scores");
print(stats);
final stats2 =
new Statistic.from([24, 14, 20, 24, 21, 21, 19, 29], name: "Your scores");
print(stats2);
final stats3 =
new Statistic.from(new Iterable.generate(2000, (n) => n).toList());
print(stats3);
final random = new Random();
final stats4 = new Statistic.from(
new Iterable.generate(2000, (_) => random.nextInt(100)).toList());
print(stats4);
print(stats.isDifferentFrom(stats2));
print(stats.isDifferentFrom(stats4));
}
You can install the package from the command line:
$ pub global activate t_stats
The package has the following executables:
$ t_stats
Add this to your package's pubspec.yaml file:
dependencies:
t_stats: ^2.0.0
You can install packages from the command line:
with pub:
$ pub get
with Flutter:
$ flutter packages get
Alternatively, your editor might support pub get or flutter packages get.
Check the docs for your editor to learn more.
Now in your Dart code, you can use:
import 'package:t_stats/t_stats.dart';
| Version | Uploaded | Documentation | Archive |
|---|---|---|---|
| 2.0.0 | Jul 23, 2018 |
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| 1.1.2 | Nov 23, 2017 |
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| 1.1.1 | Mar 24, 2017 |
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| 1.1.0 | Mar 24, 2017 |
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| 1.0.0 | Mar 24, 2017 |
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| 0.0.4 | Jun 15, 2016 |
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| 0.0.3 | Jun 14, 2016 |
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| 0.0.2 | Jun 14, 2016 |
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| 0.0.1 | Jun 14, 2016 |
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Popularity:
Describes how popular the package is relative to other packages.
[more]
|
20
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Health:
Code health derived from static analysis.
[more]
|
100
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Maintenance:
Reflects how tidy and up-to-date the package is.
[more]
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100
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Overall:
Weighted score of the above.
[more]
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60
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We analyzed this package on Feb 14, 2019, and provided a score, details, and suggestions below. Analysis was completed with status completed using:
Detected platforms: Flutter, web, other
No platform restriction found in primary library
package:t_stats/t_stats.dart.
Fix lib/t_stats.dart. (-0.50 points)
Analysis of lib/t_stats.dart reported 1 hint:
line 62 col 33: Use = to separate a named parameter from its default value.