Questions tagged [excel]

Excel is a spreadsheet based software, for numerical input, developed by Microsoft and part of the broader set of the Microsoft Office Suite.

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6 views

Macro in Excel to Browse an Image and Fit into a Cell

I need a macro that will be assigned to a button. When clicked, browsing window should open to point to the image file. Then the image need be fitted inside Excel Cell, with maintaining its aspect ...
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0answers
10 views

Evaluation of reliability of suppliers by on time delivery

I am trying to create a weight that can help me properly evaluate the reliability of a company’s on time delivery ratios. I’m using historic delivery data. For example, comparing company A that ...
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3answers
49 views

Calculating optimal 'phase shift' when comparing two linear datasets to maximise correlation?

Let's say I have two columns of data, when graphed they look like this: This does not have a particularly wonderful correlation. On the other hand if I shift one graph 10 datapoints relative to the ...
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13 views

Importing data directly into excel sheet, from data accessed through Material Project opensource API's

I had a general doubt. If I want to extract some data, say the information regarding a particular chemical using API of material projects(a site that has open-source info on, say elements) available ...
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0answers
39 views

How to maximize a log linear regression equation satisfying a constraint?

I have a log linear equation of the form $y = w_1(\log{X1}) + w_2(\log{X2}) + ... + w_n(\log{Xn})$. How can I find the value of X's that maximize the value of y subject to a constraint $(X_1+X_2+...+...
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22 views

How to create a matrix in excel

I'm solving a system of equations in excel on a rolling data series. In each row is the data for a matrix that I need to invert, but I'm having a difficult time creating the matrix inline. I will do ...
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16 views

I want to prepare meaningful charts and polarization chart with the data I have

I am a bachelor student that is preparing a project for my network science course. I have some data that I got via questionnaire. This data shows people that they prefer studying online or in presence,...
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9 views

Horizontal Bar Char Issues in Tableau with Excel Spreadsheet Beginner Visualization Question

Hello i did a good graphic vertical chart with a dark theme. but now i want to do it in horizontal chart and i have some issues. i had used too much drag and drop and move option in Tableau maybe this ...
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8 views

Using VLOOKUP to match each value of cell (cell has multiple values separated by comma) in table A with values in table B

Problem Statement: Table 1: It has multiple values in each cell of Column B. Table 2: Is the reference table Employees and their category is mentioned Output Required: Table 3: This is what the ...
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923 views

Excel error may be caused by pandas writing or big data? advise needed

I am reading multiple xml files extracting some data then forming a pandas Dataframe with my data. These are the main steps that I do: open an xml file extract some elements create a pandas dataframe ...
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1answer
114 views

How can I get all column values from a panda dataframe and save them into one string [closed]

this question has been ask couple of times but none of the answer is working for that what I want. For example I have this excel Dokument: ...
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2answers
26 views

Perform fuzzy lookup to partially match the address column

I have two separate datasets (eg. dataset1.xlsx and dataset2.xlsx). Dataset1 has 2 columns, serial number and service address. Similarly dataset2 has 2 columns service address and customer number. The ...
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1answer
33 views

Cleaning data with two fields mixed in the same column?

I am working on a template for a dashboard that is giving me some serious trouble. The format the data comes in is highly unstructured. In the image below, circled items are "Site Names", ...
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2answers
62 views

Calculating Median and Mode of numerical variables for different subgroups in R

I have customer call data and I want to get the median and mode for the call success rate for different subgroups. My variables are: Customer ID, Employment Status (Retired, Employed, Unemployed), ...
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1answer
35 views

CSVs: how to output missing data to make processing easier?

If supplying data (that can be either string or numeric) via CSVs, what's a good strategy for marking that a value is missing? Some non-empty sentinel, like NA ...
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1answer
628 views

Help improving my “read_excel” execution time in python. My code reads slowly

My first question here so please bare with me. I'm trying to feed my neural network with training data read in from an excel file. It works perfectly fine when i have less than 50 rows in the sheet. ...
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2answers
30 views

How does Excel obtain the R² determination coefficient in an exponetial regression?

How does Excel obtain the R² determination coefficient in an exponetial regression? This may seem a silly question but Excel actually shows a R² coefficient for non-linear regressions. How does Excel ...
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1answer
260 views

I have a pandas dataframe and i need to clear all the special characters other than space

Input: import pandas as pd df=pd.read_excel("OCRFinal.xlsx") df['OCR_Text']=df['OCR_Text'].str.replace(r'\W+'," ") print(df['OCR_Text']) Output: The excel ...
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1answer
119 views

Comparing excel data sets in Pandas

Pretty new to Python, but as an SEO I'm looking at the benefits of using notebooks in my workflow. I've got two excel files which I've cleaned and imported into a new notebook using pandas. I'm ...
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0answers
17 views

On ttest why t-stat is greater than one?

I have my data in two culomns as below: On excel did this ttest and this is my result: I can not Understand why Hypothesized Mean Difference =0 but tStat = -1.6367...? I mean my NULL/Zero ...
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1answer
22 views

How to group by ID, and output without repeating IDs? [closed]

Input UserID Profile 101 apple 102 banana 103 pie 101 banana 102 pine 103 berry Output ...
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1answer
48 views

Relationship between two sets of dates

My wife has seizures a few times a month and takes medication for the seizures once a month. So I have two sets of dates - the dates of the seizures and the dates she got her medication. I'm trying ...
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2answers
3k views

Pandas datetime error when reading from excel file

I am trying to read an excel file that has two columns using pandas. This is how the data looks in excel file: ...
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3answers
103 views

What is the better to pre-process data, MS-Excel or Python/R [closed]

While handling data, many anomalies occur that might change the results. For example, outliers, missing values, etc. So in this context, what is the better tool to pre process data? A visual tool like ...
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0answers
161 views

Tools for reading data from large, irregular csv files (aka excel file hell)

I have a csv file with 1000 columns and 50 rows that was collected over a few months. Embedded randomly in the file are ~1000 small datasets with semi-standard formats (some columns differ, so does ...
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1answer
145 views

Starting search from rightmost column and moving left pandas

I'm very new to pandas and I'm trying to implement the code to search for something on an excel spreadsheet. Basically, the most recent price can be found on the furthest right column named ...
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1answer
708 views

how to implement Excel vlookup on Python

I have a dataset A and dataset B, both data has a column in common which is the ID, i want to check if dataset A ID values can be found in dataset B ID values. Also get the records of dataset B that ...
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1answer
1k views

VlookUp: how to loop it? [closed]

I am not an experienced user of Excel because I usually use python but I am obliged to use it this time. This is the big picture of my case. The problem is: I have a sheet with a column with some ...
2
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1answer
42 views

Adding Group Average Line to Bar Chart

I am trying to create a PivotChart in the form of a bar chart and I would like to add a group average line on the chart. I have this (sample) table in my PowerPivot Data Model: Group averages are A: ...
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1answer
4k views

Changing Timestamp format for Date-Time in Excel/Pandas/Python?

I have a excel data with time stamp format like this "2019-06-10T14:05:00+05:30" [YYYY-MM-DDTHH:MM:SS], I want it to be converted into "2019-06-10 14:05" [YYYY-MM-DD HH:MM], Is it possible to convert ...
2
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5answers
95 views

30 Years Of Excel Test Data

I am a CS intern at an industrial company that has 30 years of excel files that need to be analyzed. Looking at the data, only a fraction of the files need to be looked at and used. After those files ...
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0answers
152 views

Cleaning Excel Data in Merged Cells [closed]

I need to use an Excel file that have many merged cells with no specific order. I guess that the file creator thought that it would be more readable to merge the cells that have the same value. ...
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1answer
34 views

Different t-test results from R and LibreCalc

while I was trying to apply one-tailed t-test to two vector of data on R, I just wanted to apply same thing on librecalc also and then I noticed that p-values are different. Here is a summary what I ...
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4answers
93 views

How should we manage large database

We currently manage a large volume of economic data in Excel in my organisation. All of the data is downloaded from different online databases into Excel spreadsheets (one for each data frequency ...
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1answer
34 views

Analyze additions and subtractions to/from a data set

I have a data set in the following form: ...
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1answer
226 views

Importing Excel format data into R/R Studio and using glmnet package?

I have no problem importing Excel formatted data into R/R Studio and use all other R packages that I use. But, when I want to use the glmnet package to develop a regularization model, I invariably ...
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0answers
13k views

Pandas Excel writer update existing excel file [closed]

How do I update an excel file and not overwrite it? ...
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4answers
46k views

How to Write Multiple Data Frames in an Excel Sheet

I have multiple data frames with same column names. I want to write them together to an excel sheet stacked vertically on top of each other. And between each, there will be a text occupying a row. ...
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1answer
1k views

Categorical data into numeric in excel

I have a large dataset and I would like to convert these categorical data into numeric in binary form to perform k means clustering in R. However, I get an error in value. This is the formula that I ...
3
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2answers
131 views

Expectations of the skill set of a Data Scientist [closed]

Although there are more powerful tools than Excel which a data scientist should know how to use, would it be expected that someone indicating they are a Data Scientist know how to use Excel?
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53 views

Excel All Possible Combinations for MacOS

Is there a formula in Excel to calculate all possible combinations for multiple lists for MacOS. For instance, I am trying to draft a fantasy team and I have the following combinations: ...
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3answers
839 views

How to predict whether or not a customer will renew

I have a dataset of customer contracts that specify a start date and if applicable an end date. Each month a customer is up for renewal. Below is an example of how the data is organized in excel: <...
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1answer
186 views

Drop NA Values with SAS

I have an xlsx file that I wish to delete the NA values in SAS. I'm new to ...
2
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1answer
752 views

Calculate weighted mean for two columns and hundreds of rows?

I'm trying to teach myself basics of R and I couldn't find the answer: Say, I have a csv file and I want to calculate weighted mean for each subject such that I have a mean mu = 0.015*1030+0.16*26930+...
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1answer
65 views

Problem when exporting scored labels to excel

I have done a regression using Azure ML Studio and it ok. The r squared is 95% on the test sample. When predicting, the results look ok when visualizing the data. The results appear as expected, with ...
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1answer
364 views

Adding values to new row to a csv file in Python

So what I'm trying to do is iterate over a grayscale image and look at each pixel and write that pixel's grayscale value to the second row (the first row being the pixel number). The following code ...
8
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1answer
430 views

How far can one go with excel? [closed]

in my business we handle all analytics through Excel. This includes mostly scheduling, production planning and accounting operations. We currently are looking into adding a bit of predictive modelling ...
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1answer
82 views

How can discard “peaks” values from a chart?

I have this chart where you can see that some points are far away from the "trend" of the curve. The chart represents $5,000$ values where each value corresponds to a specific hour of a day, month ...
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2answers
29k views

Search and Replace in specific column of csv with python

I created a program that search and replaces over an entire csv file but I need to make so it is column specific. Is there a way to only search via a column. Here is my code, I am pretty new to python ...
2
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0answers
61 views

Orange “Scatter plot” widget to excel, best way

So I have chosen "Orange" for my research as a main app for clustering ant it's analysis. Excel 2016 is primary app used for dashboard (via "pivot table"). Problem - how to add graphs from "scatter ...