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Questions tagged [excel]

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0
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0answers
12 views

What is the best database to use for storing timeseries created in python but viewed in excel?

I currently use Python/Pandas to extract time series and then store them in CSV files. I then link the CSV to an excel file using the get data/from file/csv and it can easily be refreshed each time I ...
0
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1answer
15 views

How to add values to new row to a csv 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 is the pixel number). Code isn't doing ...
5
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1answer
76 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 ...
1
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1answer
35 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 ...
0
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2answers
2k 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
25 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 ...
0
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0answers
29 views

User friendly ETL tool for wrangling Excel docs?

Have been working on wrangling data for predictive analytics project I’m working on. I am consistently pulling reports in Excel format from CapIQ (www.capitaliq.com) that will have 10,000 rows and 45 ...
0
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1answer
57 views

How can I transpose a high dimensional dataset?

I have a (.csv) file with more than 35,000 rows and 100 columns, where the rows represent the attributes and columns represent the instances. In Excel the maximum number of columns is 16,384. ...
1
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1answer
36 views

How to manipulate this column of less than/greater than?

I have a dataset in which one column is as given in the picture. What will be the best way to handle such a column?
0
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1answer
548 views

Compound Annual Growth Rate Function in R Statistics

I need to calculate the compound annual growth rate for two periods of time: 2014 & 2009. I'm currently working with Excel, I have two columns with data for each year (One column with only data of ...
1
vote
2answers
43 views

Find value and return row in excel spreadsheet with over 1 mil rows [closed]

I have an excel spreadsheet that has over 1 million rows and about 120 columns. I frequently need to find a value or a part of a value (value is name or number) and return the row where the value is ...
0
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1answer
170 views

No result for scored labels in Azure ML Web Service

I am trying to predict scored labels using regression. But when I am about to get the result from Azure ML Web Service in Excel 2016, there is no result appeared in the scored label column. How should ...
1
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2answers
65 views

Discovering cross category sales using transactions history (Clustering?)

I have a set of sales transaction data containing more than 1 item purchased. Every item sold has a category. I would like figure out which categories are most commonly ordered together. The data is ...
2
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1answer
32 views

MS Access issue [closed]

I have a database that I send to an excel sheet that auto populates some field in a report with calculations that I need. There are several users and the excel sheet cannot be open at multiple times ...
1
vote
1answer
66 views

Excel file merge with different headers but same data

I need to merge data from 1000s of excel files provided by different operations managers on productivity and other reports. The excel files have similarity of data but the headers are all custom since ...
4
votes
1answer
194 views

logistic regression coefs to excel formulation

I have done a Logistic regression in r with 3 variables involving 1 interation: lm(predicthead~vol+weekday*head, mydata) weekday is a factor - 7 days of the week....
10
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6answers
1k views

Is Excel sufficient for data science?

I'm in the process of preparing to teach an introductory course on data science using the R programming language. My audience is undergraduate students majoring in business subjects. A typical ...
0
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0answers
114 views

How do I get a bell-curve from a sorted list of data points?

I have a large file (~1GB) containing the names of birds and their population in the African subcontinent, sorted in ascending order of population. I want to plot this data into a graph to see if the ...
-1
votes
1answer
44 views

Excel formula question

I have a rather complex formula that I need to build. Basically I get a list of data every month, and there is a metric for the first operator of the day. The first column comes in the date and time ...
5
votes
1answer
97 views

How to generate bulk graphics using R

I have a dataset of Key Performance Indicator (KPI) and for each KPI I have a current level of achivement and 2 targets : Target1 and Target2. How can I automatically generate one graphic for each ...
1
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2answers
641 views

What are recommended ways\tools for processing large data from Excel Files?

A Very Happy New Year! I'm currently working on an analytics project with large volumes of data stored in excel files (about 50GB in 1000 files). The files use a custom formatting to store date-time ...
1
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1answer
78 views

Best practice for computing week-over-week change in MAU metric

When we calculate week over week change for a metric like "Monthly active users", we often refer to a calculation of SUM(This week) - SUM(Last week)/SUM(Last week), which means we will run total of ...
1
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0answers
52 views

Creating Clusters in Excel office

I am trying to make group categories based on the similarity in attributes. For example; Car1: blue, big tires, slow, comfortable Car2: green, small tires, fast, comfortable Car3: blue, big tires, ...
2
votes
1answer
93 views

Working with text files in Excel

I have an excel file containing a long text in column A. I am looking for the words starting by "popul" such as popular and populate . I can find these cells by the formula: ...
34
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11answers
17k views

Do data scientists use Excel?

I would consider myself a journeyman data scientist. Like most (I think), I made my first charts and did my first aggregations in high school and college, using Excel. As I went through college, ...