5
votes
0answers
40 views

How to plot scatter points using pgfplots with color defined from table rgb values?

I am trying to plot a set of data points (scatter points not linked to each other), where each point has a different color. The color definition is given by predefined rgb values written in the same ...
1
vote
1answer
34 views

How can I add the index of value of a table to a point on a graph?

I would like to add to each branch of my polar comb graph the index value as a label. I give you my code and a screenshot with what I would like to have: \documentclass{minimal} ...
3
votes
2answers
56 views

How to plot only some value of a table?

I want to plot only some values of an external tex value table, for example from the 3rd value to the 6th value. I could manually comment the non-wanted values but the table may often change and I ...
5
votes
1answer
47 views

pgfplotstable will not generate table

I have some data from a table that I would like to tableize with pgfplotstable. After many hours of going through the pgfplotstable 1.10 manual and basicly copying the example code with my data. Are ...
4
votes
1answer
63 views

How to make logarithmic axis “readable”?

How can I make a logarithmic axis more readable? I have many plots that look similar to this one: The problem is in the y axis. Anyone can imagine what 10^5 represents, or 10^6. It is not so easy ...
4
votes
2answers
66 views

Using set list with pgfplotstable

I am trying to create a new column in a table using the set list option, but it will not expand the list when stored in a macro. I've tried \expandafter in various locations with no joy so far. ...
4
votes
3answers
160 views

Pgfplots - How to deal with special characters in data files?

I have a file which contains column headings such as AAA-BBB or something to the effect of CC_DD_8734-20°. How should I deal with this if I just want to use such a file? Or should I prepare each set ...
2
votes
1answer
65 views

PGFPLOTS: How to merge 2 tables for histogram

I have a data set that I will plot across two pages. My initial strategy is to split the table in half. Read in the first table and plot, and so with the second. My problem with this is I do a summary ...
1
vote
0answers
32 views

\draw via \pgfplotstableforeachcolumnelement fails outside {axis} environment, but works inside?

Consider this MWE: \documentclass{article} \usepackage{pgfplots} \usepackage{pgfplotstable} \usetikzlibrary{calc} \pgfplotstableread[col sep=space,row sep=newline,header=true]{ ts val 0.0 0.0 1.0 ...
1
vote
1answer
56 views

Marking (resampling) a point on a pgfplots curve, interpolated from table data?

I was looking for this in the pgfplots manual, unfortunately the term "resample" is not mentioned, and "sample" hits the samples key, which refers to analytical functions, not to table data; so I ...
4
votes
1answer
64 views

Data manipulation in contour maps (x/y-axis and contour label)

I am using contour maps in pgfplots as part of CAD as well as documentation. Serving both purposes I would like to improve the readability of my contour maps, by multiplying x- or y-axis times a ...
0
votes
1answer
60 views

How do I apply nodes near coords to a single bar / to a single plot?

After reading the pretty population pyramid question, I was inspired to "Tufte-ify" the graph to remove redunancy and clutter (and to become more familiar with pgfplots). I modified the code from ...
1
vote
0answers
49 views

Make a large heatmap with gaps and tables between

I am trying to make a large heatmap which looks like this with gaps and row or column names written in some of the cells. Empty cells are also present in the heat map. Can i make this using pgfplots? ...
3
votes
1answer
55 views

How to have different colormaps for different columns in the same Heatmaps table using pgfplots

I want to make a heatmap using different colors for only two columns in a heatmap. I was able to do it using two different pgfplotstables, i.e, two different heatmaps. But, i wan't to know whether ...
3
votes
1answer
29 views

pgfplots@y@inverseveclength ->infty

I'm experiencing problems with pgfplots. The following piece of code was automatically generated by a piece of software I'm working on. \documentclass {standalone} \errorcontextlines 10000 ...
10
votes
2answers
322 views

How can I draw a pretty population pyramid graph with pgfplots?

I'm trying to plot a graph population pyramid. I wrote this MWE. \documentclass{article} \usepackage{pgfplots} \usepackage{pgfplotstable} \begin{document} \pgfplotstableread[col sep=comma]{ ...
9
votes
1answer
212 views

How can I fit the original data with exponential or polynomial functions via pgfplots?

I am trying to plot the following data with a curve fitting via pgfplots. It seems linear regression is not suitable for my case. So I would prefer to have exponential or polynomial curve fitting on ...
3
votes
1answer
100 views

Padding in cell in Latex Heatmap using pgfplots

I have made a heatmap using pgfplots. But the numbers in the cell are not aligned vertically centered. How can i align them at center or how can i add padding at the bottom for making them appear at ...
2
votes
0answers
50 views

Barchart, Boxplot Data Table PGF Math Errors from mixed format inline data

My code for a horizontal bar chart with a summarizing boxplot is coming together, but I still have a nagging PGF Math problem if I try to plot the boxplot values, which are commented out at the bottom ...
4
votes
0answers
113 views

pgfplots: howto read touchstone files (s1p, s2p, s3p,…)

With pgfplots you can simply create nice plots that seamlessly integrate into your tikz figure. As a high frequency engineer you will inevitably use a network analyzer to measure S-parameters. The de ...
5
votes
1answer
74 views

plotting data from rows instead of columns in latex

How can I use the addplot table command to select data from rows to be plotted instead of columns? Thank you.. I tried that but still I got errors.. here is my script: \documentclass{article} ...
2
votes
2answers
98 views

Wrong placement (and/or size) of picture / plot with groupplot of table (… and discontinuity)?

Consider this MWE: \documentclass{article} % \documentclass{standalone} \usepackage{pgfplots} \pgfplotsset{compat=1.5.1} \usetikzlibrary{pgfplots.groupplots} \usepackage{pgfplotstable} ...
1
vote
1answer
126 views

String column tick labels and plotting selected samples on y axis with groupplots?

I have seen other relate questions (like Basic bar chart with text as x axis labels), but still cannot figure out where the problem is in my example. The MWE below contains a snippet of a .csv table ...
3
votes
1answer
65 views

pgfplots linear regression for the wrong column

The following MWE correctly plots the Y column when it is plotted directly (black points). However, a linear regression specified for the Y column actually fits to the Z column if the Y column is the ...
3
votes
1answer
56 views

PGFplots: no mark is showing up

I have standard deviation bars but there is no symbol mark. How can I get one to appear? I took the statistical code from TikZ: How to pass a specific table to \pgfplotstableset if used for ...
4
votes
1answer
146 views

TikZ: How to pass a specific table to \pgfplotstableset if used for tikzpicture

I have created the following code that appears to do what I want it to. Namely add an additional row to the table \IDA that is the average of four values. This row can then be used for a plot in ...
0
votes
0answers
56 views

Stacked Barplot inside Table in Latex [duplicate]

I would like to plot stacked bar plot inside table in latex. I have code which plots two different bar plots inside table. But i want to plot single barplot with stacked bars. How can I do it in ...
2
votes
1answer
114 views

How to plot stacked bar plot inside table?

I have following code in Latex. Which plots only one data series (data2). I would like to plot staked bar plot inside table for both data1 and data2 with different colours. Any ideas.? Many thanks. ...
1
vote
1answer
131 views

PGFplotstable: using a csv file with 4 columns

Suppose I have a csv file with no titles in it just data. The first column is time (x axis) and the next 3 columns each construct a different set; that is, plot(t, col1) is one set of data, plot(t, ...
3
votes
1answer
139 views

Linear regression in a loglog-plot with fixed slope

Goal: create a plot to compare the empirical convergence rate of a numerical method with the one expected from the theory. Accordingly, given a loglog-plot, I would like to add the line which has a ...
8
votes
2answers
156 views

How to do linear regression in pgfplots for data with nan?

I am trying to use pgfplots to plot a linear regression to my data. If there is a nan in my data set, no fit is generated, with the warning: NOTE: coordinate (1,nan) has been dropped because it is ...
2
votes
1answer
68 views

How to change font family LaTeX plot?

I want to change the font family of the bar plot to Helvetica fonts. I have tried using the following code but it only changes axis fonts and not the data labels inside the plot: ...
3
votes
0answers
71 views

PgfPlots bar with missing data causes columns to be “misplaced” [closed]

I looked for a similar problem here in SE but I couldn't find it. It's just driving me crazy :| Here is a MWE: \documentclass[xcolor=dvipsnames, 10pt, pdflatex]{beamer} \usepackage[utf8x]{inputenc} ...
1
vote
0answers
90 views

PGFPLOT Externalization not working [closed]

I am trying to externalize PGF Plot to be saved as EPS file using latex and enabled shell-escape. \documentclass[a4paper]{article} \usepackage{lipsum} \usepackage{tikz} ...
5
votes
3answers
316 views

Fill the area under minimum of two functions using tikz and pgfplots

I am loading two curves from a file and plot them with \addplot table [...] {the table.txt}; I have managed to fill the area under a single curve, but I want the minimum of the two curves filled. What ...
3
votes
1answer
130 views

Unable to read in text labels for pgfplots bar chart

I've started using pgfplots and can plot scatter plots where all data is numeric, but I'm having no luck at all with bar charts where the xlabel is text. I've tried to find a solution in the manual ...
4
votes
1answer
134 views

read table from file , each row different number of columns

I have a data file where each row has a different number of columns, like this: x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x ...
8
votes
0answers
189 views

Automatically add discontinuities in some plots

I have multiple plots (about 15 different figures) that have the same axes (i.e., same ymin and ymax values and same xticks). One of the plots has very large values. I don't want to either increase ...
10
votes
1answer
261 views

PGFPLOTS: Show x labels for every second tick

How can I show xaxis labels for every second data in this dataset. I want a bar for each tick, but not a label. \documentclass{article} \usepackage{pgfplots} \pgfplotsset{compat=newest} ...
1
vote
1answer
105 views

Number of rows in loaded table

Is it possible to determine the number of rows in a table read by pgfplotstableread{values.dat}\val ? My setup is the following. I make experiments to see how a parameter affects a convergence ...
8
votes
1answer
135 views

Help with a simple bar plot

I have some data in a table; the first column has some names; the second column associates a "category" to each name, and the third column associates a "section" to each name. All entries are ...
2
votes
1answer
63 views

Trouble including graphics from csv file into Pgftable, commands are dissapearing (local maybe?)

I've been trying to add eps graphics with the filename in a csv file. Take a look at the CSV to get an idea of what I mean: ...
3
votes
2answers
163 views

Custom axis line location for PGFplots table with tikzpicture

I am trying to change the axis y line location from 0 to 100 from these questions (1, 2). Say that the error bars represent confidence intervals on percentage scale, so 100% is no difference. Here is ...
2
votes
0answers
87 views

Pgfplots: date range and integers as input data

I have a data table that looks something like: Week,value 2010-01-03 - 2010-01-09,0 2010-01-10 - 2010-01-16,0 2010-01-17 - 2010-01-23,0 2010-01-24 - 2010-01-30,0 2010-01-31 - 2010-02-06,0 2010-02-07 ...
3
votes
1answer
203 views

\pgfplotstabletypeset heatmap: logarithmic scale

I am trying to create my own rendition of this heatmap. My values range anywhere from 1 to 783764. I want to plot them as colors on a logarithmically (base10) scaled colormap. So the values' ...
2
votes
1answer
230 views

pgfplots: marker size relative to interval size

I am trying to create a ybar interval pgf plot with horizontal lines as markers on top of each interval/bar. Intervals widths are specified by my external CSV data file. I defined my own plotmark ...
5
votes
1answer
106 views

Plot using pgfplots from a text file in long form (vs wide form)?

In the statistical programming language R, there are two different forms to represent data. The wide form looks like the following: subject time age weight height 1 John Smith 1 33 90 ...
8
votes
1answer
70 views

Pgfplotstable ignores chars in filename

I am using the ignore chars key from the pgfplotstable to ignore some characters in a table. However, I have noticed that it also removes characters from the file name and I am wondering if this is ...
8
votes
1answer
384 views

Pgfplots linear regression (mean square error)

Pgfplots offers the possibility to compute a linear regression, as in the following post Linear regression - trend line with pgfplots . However, is it possible to compute the mean square error ? My ...
3
votes
0answers
74 views

Pgfplots fails to generate boxplots for some data set

I use pgfplots to generate boxplots, however with some small data sets as the following, I get an error message. speed 2 3 1 2 2 11 Here is the error message : Sorry, an ...