Re: [R] creating a color display matrix
Kartik Pappu wrote: Hello all, I am trying to use R to create a colored data matrix. I have my data which (after certain steps of normalization and log transformation) gives me a x by y matrix of numbers between 0 and -5. I want to be able to create from this matrix of numbers a x by y image (box) that contains x*y squares and somehow uses the value in the original matrix to come up with a color that corresponds to the number. Hence each box will be colored on a scale between 0 and 5. For example my data could look like this: X1.FcH X2.FcH X3.FcH X4.FcH X5.FcH X6.FcH X7.FcH 1-AP0.09667593 -4.66298640 -1.28299697 -4.8739017 -4.95862831 -5.178603 -4.878524750 2-AP -4.69186869 -0.08547776 -4.56495440 -4.8348255 -4.80256152 -5.121531 -4.894347108 3-AP -1.71380667 -4.52626124 -0.06810053 -4.8703810 -4.65657593 -5.024595 -4.824712621 4-AP -4.47968850 -4.48604718 -4.44314403 -0.1569536 -4.86436977 -4.988196 -4.550416356 5-AP -4.64616469 -4.5307 -4.78163386 -4.9162949 -0.01729274 -5.061663 -0.769960777 6-AP -4.61047573 -4.60917414 -4.72514817 -5.0084772 -4.87797740 -0.284934 -1.782745357 7-AP -4.48157167 -4.61850313 -4.72241281 -4.8694868 -1.66122821 -3.887898 -0.002522157 How do I make a 7 x 7 box that has 49 squares and each square has a color in the RGB spectrum that corresponds to the value. So for example in the matrix above the biggest number which is 0.00966 (at position 1 , 1) could be set to RED and the smallest number which is 5.0084 (at position 6, 5) can be set to BLUE and all the other numbers be shades on a scale of Red going to Blue. I hope this problem makes sense. I am rather new to R and was wondering if there was a function or solution to this problem out there. Hi Kartik, Have a look at color2d.matplot in the plotrix package. Jim __ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
[R] creating a color display matrix
Hello all, I am trying to use R to create a colored data matrix. I have my data which (after certain steps of normalization and log transformation) gives me a x by y matrix of numbers between 0 and -5. I want to be able to create from this matrix of numbers a x by y image (box) that contains x*y squares and somehow uses the value in the original matrix to come up with a color that corresponds to the number. Hence each box will be colored on a scale between 0 and 5. For example my data could look like this: X1.FcH X2.FcH X3.FcH X4.FcH X5.FcH X6.FcH X7.FcH 1-AP0.09667593 -4.66298640 -1.28299697 -4.8739017 -4.95862831 -5.178603 -4.878524750 2-AP -4.69186869 -0.08547776 -4.56495440 -4.8348255 -4.80256152 -5.121531 -4.894347108 3-AP -1.71380667 -4.52626124 -0.06810053 -4.8703810 -4.65657593 -5.024595 -4.824712621 4-AP -4.47968850 -4.48604718 -4.44314403 -0.1569536 -4.86436977 -4.988196 -4.550416356 5-AP -4.64616469 -4.5307 -4.78163386 -4.9162949 -0.01729274 -5.061663 -0.769960777 6-AP -4.61047573 -4.60917414 -4.72514817 -5.0084772 -4.87797740 -0.284934 -1.782745357 7-AP -4.48157167 -4.61850313 -4.72241281 -4.8694868 -1.66122821 -3.887898 -0.002522157 How do I make a 7 x 7 box that has 49 squares and each square has a color in the RGB spectrum that corresponds to the value. So for example in the matrix above the biggest number which is 0.00966 (at position 1 , 1) could be set to RED and the smallest number which is 5.0084 (at position 6, 5) can be set to BLUE and all the other numbers be shades on a scale of Red going to Blue. I hope this problem makes sense. I am rather new to R and was wondering if there was a function or solution to this problem out there. Thanks Kartik -- IMPORTANT WARNING: This email (and any attachments) is only intended for the use of the person or entity to which it is addressed, and may contain information that is privileged and confidential. You, the recipient, are obligated to maintain it in a safe, secure and confidential manner. Unauthorized redisclosure or failure to maintain confidentiality may subject you to federal and state penalties. If you are not the recipient, please immediately notify us by return email, and delete this message from your computer. __ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
Re: [R] creating a color display matrix
?image has worked for me. David L. Reiner Rho Trading Securities, LLC Chicago IL 60605 312-362-4963 -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Kartik Pappu Sent: Wednesday, July 26, 2006 3:30 PM To: r-help@stat.math.ethz.ch Subject: [R] creating a color display matrix Hello all, I am trying to use R to create a colored data matrix. I have my data which (after certain steps of normalization and log transformation) gives me a x by y matrix of numbers between 0 and -5. I want to be able to create from this matrix of numbers a x by y image (box) that contains x*y squares and somehow uses the value in the original matrix to come up with a color that corresponds to the number. Hence each box will be colored on a scale between 0 and 5. For example my data could look like this: X1.FcH X2.FcH X3.FcH X4.FcH X5.FcH X6.FcH X7.FcH 1-AP0.09667593 -4.66298640 -1.28299697 -4.8739017 -4.95862831 -5.178603 -4.878524750 2-AP -4.69186869 -0.08547776 -4.56495440 -4.8348255 -4.80256152 -5.121531 -4.894347108 3-AP -1.71380667 -4.52626124 -0.06810053 -4.8703810 -4.65657593 -5.024595 -4.824712621 4-AP -4.47968850 -4.48604718 -4.44314403 -0.1569536 -4.86436977 -4.988196 -4.550416356 5-AP -4.64616469 -4.5307 -4.78163386 -4.9162949 -0.01729274 -5.061663 -0.769960777 6-AP -4.61047573 -4.60917414 -4.72514817 -5.0084772 -4.87797740 -0.284934 -1.782745357 7-AP -4.48157167 -4.61850313 -4.72241281 -4.8694868 -1.66122821 -3.887898 -0.002522157 How do I make a 7 x 7 box that has 49 squares and each square has a color in the RGB spectrum that corresponds to the value. So for example in the matrix above the biggest number which is 0.00966 (at position 1 , 1) could be set to RED and the smallest number which is 5.0084 (at position 6, 5) can be set to BLUE and all the other numbers be shades on a scale of Red going to Blue. I hope this problem makes sense. I am rather new to R and was wondering if there was a function or solution to this problem out there. Thanks Kartik -- IMPORTANT WARNING: This email (and any attachments) is only intended for the use of the person or entity to which it is addressed, and may contain information that is privileged and confidential. You, the recipient, are obligated to maintain it in a safe, secure and confidential manner. Unauthorized redisclosure or failure to maintain confidentiality may subject you to federal and state penalties. If you are not the recipient, please immediately notify us by return email, and delete this message from your computer. __ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. __ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
