Questions tagged [normalize]

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Pandas: Grouped DataFrame - divide values of a column by the value of a certain row within that column for each group

I have a dataframe with groups. To normalize the values for each group I'd like to divide all values of each group by the value of a certain element within that group. df = pd.DataFrame([['a','2018-02-03',42], ['a','2018-02-04',22], ['a','2018-02-05',10], ['a','2018-02-06',32], ['b','2018-02-03',10...
FreezeFrame
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1

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954

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Normalisation of data in rows in R

I'd like to normalize values in rows of a data frame. In other words, divide every row in a given column by a ratio calculated from the sum of all the rows in a given column to the lowest sum of the rows. Here is my example: df
user2904120
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1

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957

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How to render normals to surface of object in three.js

I found the example in threejs.org, that draws arrows normals, it is what I need. But arrows is complexed object and created by ArrowHelper. I looked in source code and found setDirection method. function setDirection( dir ) { // dir is assumed to be normalized if ( dir.y > 0.99999 ) { this.quater...
artzub
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1

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1k

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sync state with props to achive two way binding for form input in reactjs

i have a very long form (75 input to be exact), since i'm using redux to manage my application state, whenever i want to edit this form i want to setState of form to the prop to allow editing. Example Code: class VisitCard extends Component { constructor(props) { super(props); //props.visit = {name:...
Zalaboza
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1

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Normalization in R 0 to 5

I have a dataframe as follows: A B C ab gb 0.03 fn mn 0.12 po er 0.43 oo et 0.22 iu ew 0.77 ii mn 0.14 dd wr 0.99 qw ty 0.45 How do I normalize column C to be from the range of 0-5. I know you can do it li...
nak5120
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Find the largest value of each row in Matlab and divide each number in that row by the number

I have a 133120x4 matrix in Matlab. I would like to find the largest value in each row, and divide every element in that row by that particular value. Do I need to use some sort of loop? For example: I find the amount of rows in that matrix (133120), and iterate the loop that amount of times, then I...
2step
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Why does NFKC normalize of all digits not work?

In JavaScript I am using NFKC normalization via String.prototype.normalize to normalize fullwidth to standard ASCII halfwidth characters. '1'.normalize('NFKC') === '1' > true However, looking at more obscure digits like ૫ which is the digit 5 in Gujarati it does not normalize. '૫'.normalize('N...
Adam Thompson
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How to iterate properly from 0.0 to 1.0 in a 'for' loop?

This is a fairly simple question, yet I am struggling to find an elegant solution for! Suppose you want to iterate from 0.0 to 1.0 in discrete steps, you'll use a for loop that uses int since it's discouraged to use float due to precision errors. The simplest approach is the following but it's flawe...
Aybe
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115

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json_normalize JSON file with multiple levels of lists containing dictionary (sample included)

(Originally from previous question but re-framed for the more general question) This is a sample json file I'm working with with 2 records: [{'Time':'2016-01-10', 'ID' :13567, 'Content':{ 'Event':'UPDATE', 'Id':{'EventID':'ABCDEFG'}, 'Story':[{ '@ContentCat':'News', 'Body':'Related Meeting Memo: Eng...
nwly
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1

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json_normalize JSON file with list containing dictionary (sample included)

This is a sample json file I'm working with with 2 records: [{'Time':'2016-01-10', 'ID' :13567, 'Content':{ 'Event':'UPDATE', 'Id':{'EventID':'ABCDEFG'}, 'Story':[{ '@ContentCat':'News', 'Body':'Related Meeting Memo: Engagement with target firm for potential M&A. Please be on call this weekend for...
nwly
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2

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355

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normalize data and plot as stacked bar plot with python/ pandas

I have the following data frame: land_cover canopy_cat count tc_density_cor 0 20 1 56 35.760967 1 20 2 28 35.760967 2 20 3 11 35.760967 3 20 4 9 35.760967 4 20...
Christin Abel
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3

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Include 'normalize-scss' in Vue CLI 3

Just added the package normalize-scss to my new Vue project, but none of the styles are being applied... I've tried both: @import 'normalize-scss' in my styles.scss import 'normalize-scss' in my main.js page Am I doing something wrong? The package is clearly there because the app runs, but it doesn...
Modermo
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plt.hist showing the strange plot after preprocessing.normalize

Im new to Python, so I execute this code: test1 = np.array([95, 91, 104, 93, 85, 107, 97, 90, 86, 93, 86, 90, 88, 89, 94, 96, 89, 99, 104, 101, 84, 84, 94, 87, 99, 85, 83, 107, 102, 80, 89, 88, 93, 101, 87, 100, 82, 90, 106, 81, 95]) plt.hist(test1) plt.show() And get this image: After I normalize d...
Sergey Vladimirovich
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2

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Torchvision 0.2.1 transforms.Normalize does not work as expected

I am trying a new code using Pytorch. In this code, to load the dataset (CIFAR10), I am using torchvision's datasets. I define two transform functions ToTensor() and Normalize(). After normalize I expect the data in the dataset should be between 0 and 1. But the max value is still 255. I also insert...
Thiagarajan
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2

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1.5k

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Joining multiple tables

I'm rather new to normalizing tables and I'm having some troubles wrapping my head around getting the correct information out of 3 tables. I made an example involving reserving books out of different libraries. I have 3 tables. Books, locations, reservations (listed below): //SQL query: $sql = 'S...
Skyros
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2

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4.2k

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Im using Normalize css - why does it have 40px padding?

I have downloading the responsive framwework http://996grid.com/ and in the Normalize.css it has default settings of padding: 0 0 0 40px; for various items. for example menu, ol, ul { padding: 0 0 0 40px; } dd { margin: 0 0 0 40px; } Can someone explain the reasoning of this as when I add a ul it a...
Paul Designer
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reverse of group concat in kettle pentaho

In Pentaho Kettle I have at some point some data like this (they are in fact the result of a complex ldap query) x y foo apple , banana , pear bar potato , carrot , tomato where x and y are column of my table and y it's a plain string I want to normalize the table transf...
xargs_so
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2

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python pandas standardize column for regression

I have the following df: Date Event_Counts Category_A Category_B 20170401 982457 0 1 20170402 982754 1 0 20170402 875786 0 1 I am preparing the data for a regression analysis and want to standardize the column Event_Cou...
jeangelj
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4

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Can .NET convert Unicode to ASCII to remove “smart quotes”, etc?

Some of our users use e-mail clients that can't cope with Unicode, even when the encoding, etc. are properly set in the mail headers. I'd like to 'normalise' the content they're receiving. The biggest problem we have is users copy'n'pasting content from Microsoft Word into our web application, which...
Dylan Beattie
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1

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1.3k

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Normalize a string except ñ

I have the following example code: String n = 'Péña'; n = Normalizer.normalize(n, Normalizer.Form.NFC); How do I normalize the string n excepting the ñ? And not only that string, I'm making a form and I want to keep just the ñ's, and everything else without diacritics.
Gerardo
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2

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How can I draw a log-normalized imshow plot with a colorbar representing the raw data in matplotlib

I'm using matplotlib to plot log-normalized images but I would like the original raw image data to be represented in the colorbar rather than the [0-1] interval. I get the feeling there's a more matplotlib'y way of doing this by using some sort of normalization object and not transforming the data...
Adam Fraser
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How can I normalize/collapse paths or URLs in Python in OS independent way?

I tried to use os.normpath in order to convert http://example.com/a/b/c/../ to http://example.com/a/b/ but it doesn't work on Windows because it does convert the slash to backslash.
bogdan
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1

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764

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How to remove accent from string in WP7

I want to remove accent (diacritic) from string in Windows Phone 7. The solution here works for .NET (desktop version). However, WP7 string has no Normalize method. Someone suggest change from string to byte, but I dont know what he means. How to remove accent ?
onmyway133
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SASS: normalize.css works, but does not show up in compiled CSS file?

I am just taking my first steps into the SASS-world. I set up everything, created a new project and downloaded the SASS port of normalize.css. Inside the folder that holds all my SASS files, I have a folder called 'normalize'. That holds a file called normalize.scss, that holds a mixin that again...
Sven
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How to normalize these tables to 3NF

As part of a homework assignment I have been asked to create tables based on a case study, and all tables must be in 3NF. However, I've tried and tried to understand 3NF but I'm just not getting the hang of it and would appreciate some help. The requirements of the case study are for a vet clinic: A...
h21
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2

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IE11 DOM normalize doesn't work with table row

I'd like to normalize table rows. This works like a charm, except in IE (tested with IE 11). I've created a demo snippet to demonstrate the issue: $(function() { $('table tbody tr span').each(function() { var $this = $(this); var $parent = $this.parent(); $this.replaceWith($this.html()); $paren...
dude
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2

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Muting 'Sound' instead of 'Music' in libgdx

I'm developing a simple game using eclipse and libgdx. Currently, I'm using 'Music' instead of 'Sound' for sound effects for my game. I made a button for muting all of the sound fx but having a problem when it comes to 'sound' instead of music. Here's my current code: public static Music jump; publ...
jajuatco
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how to create a model in javascript to make sure all properties does exists

i wonder how to create models in javascript ? example Object user: should have these properties [name,username,password], and no other properties should be there. now i want to send in any value it should return an objects with these 3 properties and ignore any other props. i tried using var UserFac...
Zalaboza
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1

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1.3k

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Solr Filter Query - String vs. Int

Say I'm trying to query a bunch of documents that have categories and I want to limit the queries to a specified category (as I understand it this would just be using the fq parameter (filter query). I was wondering if there is a performance improvement for having the parameter be an integer instea...
jstats
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1

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11k

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Replace Multiple Spaces and Newlines with only one space in PHP

I have a string with multiple newlines. The String: This is a dummy text. I need to format this. Desired Output: This is a dummy text. I need to format this. I'm using this: $replacer = array('\r\n', '\n', '\r', '\t', ' ');...
Sukanta Paul
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1

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Is there an easy way to standardize every single column in a table without loops (using R)?

I need to standardize all except one column in a dataframe, with which I'm using knn. I know that I can do this with loops, but it seems like there might be an easier way, especially since I am working with 200+ columns/factors, which would have to be renamed. Any suggestions?
user1489719
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Row-normalize a sparse matrix into zero mean in Matlab

I have a large m *n sparse matrix Y. I would like to normalize each row of Y, so that each row has zero mean. I first tried this. But the mean of each row is also subtracted from the zero entries, which is not what I want. Ynorm = bsxfun(@minus, Y, Ymean); Then I tried this. [m, n] = size(Y); nonZ...
Jia
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267

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Normalize.css not working Angular 4/5

I am new to angular and scss. I want to get rid of the built-in browser styling and so I installed normalize.css and added it on my angular-cli.json file. 'styles': [ '../node_modules/bootstrap/dist/css/bootstrap.min.css', '../node_modules/normalize.css/normalize.css', 'assets/scss/main.scss' ], I...
Jdoe
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2

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865

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I want to flatten JSON column in a Pandas DataFrame

I have an input dataframe df which is as follows: id e 1 {'k1':'v1','k2':'v2'} 2 {'k1':'v3','k2':'v4'} 3 {'k1':'v5','k2':'v6'} I want to 'flatten' the column 'e' so that my resultant dataframe is: id e.k1 e.k2 1 v1 v2 2 v3 v4 3 v5 v6 How can I do this? I tried using json_normaliz...
Symphony
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1

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Normalizing/unaccenting text in Java

How can I normalize/unaccent text in Java? I am currently using java.text.Normalizer: Normalizer.normalize(str, Normalizer.Form.NFD) .replaceAll('\\p{InCombiningDiacriticalMarks}+', '') But it is far from perfect. For example, it leaves Norwegian characters æ and ø untouched. Does anyone know of a...
John
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2

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12.1k

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normalizing matrix in matlab

I have an rgb image matrix (height*width*3) represented in doubles. After some manipulations on the matrix, some values went biger then 1 or smaller then 0. I need to normalize those valuse back to 1 and 0. Thanks.
Sanich
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3

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5k

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Android: sqlite: cursor: getColumnIndex

I've got a fairly complicated query (multiple joins) on a normalized sqlite database. The query does a SELECT * to enable some automated attribute selection logic (so I can't eliminate the '*') The problem I am having is that my result set contains multiple columns with the same attribute name. For...
celoftis
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3

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248

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Normalize CSS w/local Stylesheet does not appear correct

I have been doing web design for a little over a year now, but still have strange things happen on the front end sometimes. I am creating a simple template for personal use using the following code: Matt's Template Matt's Template If I view this code in my Chrome browser, it appears that the body i...
Matt Hintzke
6

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5

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16.4k

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Normalizing histogram bins in gnuplot

I'm trying to plot a histogram whose bins are normalized by the number of elements in the bin. I'm using the following binwidth=5 bin(x,width)=width*floor(x/width) + binwidth/2.0 plot 'file' using (bin($2, binwidth)):($4) smooth freq with boxes to get a basic histogram, but I want the value of eac...
shivknight
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2

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5.2k

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Issues replacing special characters in PHP string

I'm trying to replace the special characters in a PHP string with normal characters (as in replace ó with o and á with a). I tried using the PHP Normalizer::normalize function as in the following code: if (!Normalizer::isNormalized($word, Normalizer::FORM_C)) { echo 'original: '.$word; $word = Nor...
jeff

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